Medicare Part D in California
Prescribing data for 139,057 providers in California, totaling $27.10B in drug costs.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
139,057
Prescribers
$27.10B
Drug Cost
145,933,465
Claims
$1,259
Cost/Patient
43,850
Opioid Prescribers
9,912
High Opioid Rate
13.6%
Avg Opioid Rate
618
Flagged Providers
🔎 Data Overview
💰
Ranks #1 nationally in total Medicare Part D drug spending. This state accounts for 9.8% of all Part D costs.
🔍
618 providers in this state have been flagged for unusual prescribing patterns — one of the highest counts nationally. This doesn't mean fraud, but these providers show statistical outlier patterns compared to their specialty peers.
Insights generated from CMS data analysis. Statistical patterns are not accusations — always consider clinical context.
Drug Cost Trends (2019–2023)
Opioid Prescribing Trends
Top Specialties in California
| # | Specialty | Providers |
|---|---|---|
| 1 | Internal Medicine | 444 |
| 2 | Family Practice | 259 |
| 3 | Nurse Practitioner | 253 |
| 4 | Physician Assistant | 149 |
| 5 | Pharmacist | 63 |
| 6 | General Practice | 52 |
| 7 | Dentist | 49 |
| 8 | Cardiology | 28 |
| 9 | Student in an Organized Health Care Education/Training Program | 23 |
| 10 | Psychiatry | 21 |
Flagged Providers in California
| Provider | Drug Cost | Risk Score |
|---|---|---|
| Kamyar Cohanshohet Beverly Hills | $75K | 77 |
| Henry Watson Oakland | $868K | 61 |
| Daniel Lee San Diego | $7.8M | 57 |
| Julie Mallory Modesto | $400K | 55 |
| Melanie Willis Ridgecrest | $279K | 53 |
| Shelby Lombardi Visalia | $1.3M | 51 |
| Meaghan Berglund Rocklin | $688K | 51 |
| Amy Nguyen Fullerton | $195K | 51 |
| Jennifer Nelsen Visalia | $343K | 50 |
| Evan Collier Albany | $364K | 50 |
| Adam Lee San Francisco | $246K | 50 |
| Laurel Coppage Camarillo | $72K | 50 |
| Dana Culp Mountain View | $470K | 50 |
| Tracey Fremd Sacramento | $248K | 50 |
| Sandra Soriano Riverside | $229K | 49 |
| Richard Stoykovich Lafayette | $1.1M | 49 |
| Benjamin Pearce Folsom | $780K | 49 |
| Daniel Glatt Burlingame | $1.4M | 49 |
| Arian Behziz Roseville | $968K | 49 |
| Raymond Wong Santa Rosa | $8,023 | 48 |
| Edelweiss Von Maack Loma Linda | $82K | 48 |
| Julio Silvestre West Hollywood | $39K | 48 |
| Janny Lee Vallejo | $25K | 48 |
| Theresa Chang Merced | $9,263 | 48 |
| Jessica Liu San Rafael | $35K | 48 |
| Johanna Estrada San Diego | $32K | 48 |
| Desiree Wei San Rafael | $32K | 48 |
| Becky Situ San Jose | $80K | 48 |
| T'racea Terrell San Francisco | $255K | 48 |
| Matthew Saqueton San Rafael | $38K | 48 |
| Lucia Rubio Coss Y Leon Fresno | $50K | 48 |
| Sandra Sullivan Encinitas | $63K | 48 |
| Celeste Ratajczak Hemet | $14K | 48 |
| Linda Barnachea La Jolla | $9,097 | 48 |
| Hang Tran Union City | $121K | 48 |
| Joseph Kanaan Fontana | $32K | 48 |
| Regina Laico Fresno | $12K | 48 |
| Andrew Lothrop San Rafael | $30K | 48 |
| Catherine Trinh San Jose | $76K | 48 |
| Patricia Lee San Jose | $24K | 48 |
| Jaydee Rose Geluz El Cajon | $57K | 48 |
| Rishi Patel West Hollywood | $69K | 48 |
| Hovik Mekhjian Beverly Hills | $73K | 48 |
| Edwin Yau Monterey Park | $10.0M | 47 |
| Sue Schoonover Modesto | $693K | 47 |
| Paul Norwood Fresno | $4.5M | 47 |
| Debbie Nendze-Scheitler Oroville | $957K | 47 |
| Franklin Perry Palo Alto | $203K | 46 |
| Merline Covington Sacramento | $226K | 46 |
| Chinwe Okoye Sacramento | $4,338 | 46 |
| Olga Verkhovsky Long Beach | $208K | 46 |
| Steven Parella Rancho Cordova | $20K | 46 |
| Athena Tuot Colton | $311K | 45 |
| Lilit Baltaian Tujunga | $2.4M | 45 |
| Rebekka Miller Stanford | $395K | 45 |
| Beth Brown Santa Maria | $968K | 45 |
| Hana Renor Half Moon Bay | $387K | 45 |
| Carlos Untal San Luis Obispo | $168K | 45 |
| Sasha Speare Mission Viejo | $159K | 45 |
| Paul Campos Visalia | $303K | 45 |
| Vlada Manzur Woodland Hills | $134K | 45 |
| Daniel Mcelheran Weaverville | $40K | 45 |
| Dennis Osena Fresno | $313K | 45 |
| Richard Carpenter Cardiff By The Sea | $545K | 45 |
| Itza Castro Palo Alto | $332K | 45 |
| Michele Tang Mountain View | $3.9M | 45 |
| Mahshid Seyedkazemi Los Angeles | $160K | 45 |
| Rollington Ferguson Oakland | $1.3M | 45 |
| Allison Botwin Palm Springs | $284K | 44 |
| Joanne Kim Riverside | $22K | 44 |
| Manli Huang Citrus Heights | $110K | 44 |
| Pamela Coyne Pleasant Hill | $55K | 44 |
| Domingo Barrientos Downey | $3.0M | 44 |
| Raymund Damian San Rafael | $29K | 44 |
| Christine Teklehaimanote Sacramento | $647K | 44 |
| William Johncox Fresno | $317K | 43 |
| Gina Giron Carlsbad | $287K | 43 |
| Jessica Kaltman Los Angeles | $41K | 43 |
| Jaime Zeledon San Jacinto | $548K | 43 |
| Christina Hansen San Diego | $254K | 43 |
| Jessica Linnane Walnut Creek | $175K | 43 |
| Meredith Heller San Francisco | $17K | 43 |
| Syed Naqvi Walnut Creek | $37K | 43 |
| Amy Hassenberg Mountain View | $63K | 43 |
| Jesse Gormley Santa Rosa | $197K | 43 |
| Caryn Ton Modesto | $183K | 43 |
| Jennifer Cohen San Francisco | $7,831 | 43 |
| Shiho Ito Orange | $19K | 43 |
| Mook-Lan Iglowitz Sacramento | $18K | 43 |
| Eola Bentley-Force Palm Desert | $346K | 43 |
| Garfield Pickell Modesto | $79K | 43 |
| Youngho Kim San Diego | $75K | 43 |
| Lucas Puttock Orange | $29K | 43 |
| Priti Khanijou Santa Ana | $19K | 43 |
| Chirag Gandhi Fontana | $57K | 43 |
| Kara Bischoff San Francisco | $48K | 43 |
| Andrea Tonasut Millet Ridgecrest | $2.2M | 43 |
| Matthew Stephens San Jose | $110K | 43 |
| Irene Attallah Granada Hills | $22K | 43 |
| Mukti Patel Orange | $79K | 43 |
| G. Anthony Cantelmi Roseville | $9,269 | 43 |
| Murali Srinivasan San Diego | $31K | 43 |
| Emily Canale La Mesa | $25K | 43 |
| Kristina Mori Martinez | $9,937 | 43 |
| Margaret Michael Redding | $227K | 43 |
| Nicole Park Palo Alto | $169K | 43 |
| Ramesh Upadhyayula Palm Springs | $101K | 43 |
| Daisy Franco Los Angeles | $239K | 43 |
| Melissa Strickland Martinez | $98K | 43 |
| Crystal Akune Colton | $199K | 43 |
| Joshua Fronk Stanford | $18K | 43 |
| Valentina Chadwick Stanford | $47K | 43 |
| Joanna Luna Duarte | $33K | 43 |
| Sarah Wegemer Folsom | $13K | 43 |
| Clint Pearson Crescent City | $2.4M | 43 |
| Eloise Theisen Stanford | $22K | 43 |
| David Heath Orosi | $305K | 43 |
| Mark Wagner Santa Ana | $14K | 43 |
| Sarina Kwong South San Francisco | $122K | 43 |
| Michael Kearney Santa Barbara | $11K | 43 |
| Yanling Song Laguna Hills | $15K | 43 |
| Vrinda Bhasin Mission Viejo | $19K | 43 |
| Cayla Witrado Fresno | $271K | 43 |
| Laura Rose Temecula | $97K | 43 |
| Sameera Rana Sacramento | $20K | 43 |
| Vivian Duong Rancho Santa Margarita | $15K | 43 |
| April Arra Mendoza Santa Ana | $29K | 43 |
| Pedro Ontiveros Jr. Los Angeles | $41K | 43 |
| Abraham Rodriguez Redwood City | $89K | 43 |
| Radha Desai Martinez | $39K | 43 |
| Maninder Virk Stockton | $18K | 43 |
| Michael Davis Encinitas | $264K | 43 |
| Janelle Minter Sacramento | $10K | 43 |
| Neal Lischner Oakland | $23K | 43 |
| Elizabeth Branson Santa Ana | $99K | 42 |
| Hector Sanchez San Jose | $154K | 42 |
| Laura Lew San Jose | $2,773 | 42 |
| Marianne Duran Martinez | $6,075 | 42 |
| Marianne Wachalovsky Fairfield | $15K | 42 |
| Bonnie Chen Oakland | $9,836 | 42 |
| Monique Dye San Luis Obispo | $108K | 42 |
| Heather Walsh San Diego | $56K | 41 |
| William Borris Roseville | $10K | 41 |
| Julie Perry Carlsbad | $146K | 41 |
| Dennis Brodsky Oceanside | $975K | 41 |
| Richard Sandoval Bakersfield | $357K | 41 |
| Christine Hoehner-Cooper Oakland | $903K | 41 |
| Arshia Mirzadeh Panorama City | $187K | 41 |
| Monica Gandhi San Francisco | $1.2M | 41 |
| Scott Catone Kerman | $759K | 41 |
| Kristen Hickok Palm Springs | $582K | 41 |
| Aimee Chagnon Petaluma | $649K | 41 |
| Jame Lanier Hemet | $446K | 41 |
| Tricia Deaton-Lampley Sacramento | $732K | 41 |
| Andrew Saurin San Diego | $155K | 41 |
| Allicia Bell San Luis Obispo | $180K | 41 |
| Molly Shah Pleasanton | $32K | 41 |
| Jared Smith Redding | $20K | 41 |
| Christina Liezl Villanueva Santa Clarita | $307K | 41 |
| Andrea Sircable Fontana | $128K | 41 |
| Aileen Estrada Fullerton | $317K | 41 |
| Sara Niknam Sacramento | $143K | 41 |
| Stacia Souter Redding | $143K | 41 |
| Jacqueline Parker Sacramento | $573K | 41 |
| Darius Gharib Encino | $4.4M | 40 |
| Aaron Perlmutter Beverly Hills | $3.9M | 40 |
| Joseph Frensley Turlock | $350K | 40 |
| Dezy Mani West Covina | $299K | 40 |
| Rubilyn Cunanan Baldwin Park | $8,330 | 40 |
| Gilbert Agyemang-Boakye Yucaipa | $44K | 40 |
| Bhupinder Bhandari Fremont | $578K | 40 |
| Maria Padilla Irvine | $358K | 40 |
| Corey Abbott Claremont | $9,652 | 40 |
| Bushra Khan San Francisco | $3,981 | 40 |
| Matthew Jacinto Fresno | $5,512 | 40 |
| Brenda Montoya San Luis Obispo | $46K | 40 |
| Ernest Oh Riverside | $294K | 40 |
| Ethel Odimegwu Hemet | $69K | 40 |
| Aaron Jordan San Bernardino | $1.4M | 40 |
| Amelia Atalig-Smith Pleasant Hill | $60K | 39 |
| Orah Mahtov Van Nuys | $103K | 39 |
| Louise Glaser Sacramento | $8,547 | 39 |
| Rakhi Yadav San Jose | $4,234 | 39 |
| Cynthia Williams Torrance | $1.7M | 39 |
| Youmna Abdulhadi San Diego | $32K | 39 |
| Anna Sarkissian Woodland Hills | $15K | 39 |
| William Li Los Angeles | $193K | 39 |
| Tien Nguyen Westminster | $4,795 | 39 |
| Kelly Goff Oakland | $15K | 39 |
| Royce Johnson Bakersfield | $836K | 39 |
| Pooja Baijal Los Banos | $5,245 | 39 |
| Sheila Chase Palmdale | $49K | 39 |
| In Eui Oh Stanford | $5,962 | 39 |
| Andy Pham Santa Clara | $7,071 | 39 |
| Carissa Cahill Truckee | $2,798 | 39 |
| Gemma Porsuelo-Bangsal Fremont | $5,659 | 39 |
| Joseph Krezanoski San Mateo | $16K | 39 |
| Julianne Humason Pasadena | $20K | 39 |
| Susan Tipton Modesto | $87K | 39 |
| Sarah Zwehl-Burke Sacramento | $2,079 | 39 |
| Judith Smith San Francisco | $25K | 39 |
| Trupti Mehta San Leandro | $3,411 | 39 |
| Charles Kellerman Anaheim | $6,555 | 39 |
| Lorna Logan Newport Beach | $15K | 39 |
| Joan Hart Walnut Creek | $57K | 39 |
| Nouriel Niamehr Van Nuys | $707K | 39 |
| Cheri Quincy Santa Rosa | $23K | 39 |
| Denise Rubino Lompoc | $68K | 39 |
| Aref Bhuiya Westlake Village | $32K | 39 |
| Binwant Singh Manteca | $13K | 39 |
| Vidhya Balasubramanian Oakland | $4,662 | 39 |
| Katayoun Edalat Parsi Fresno | $12K | 39 |
| Anna Milstein Los Angeles | $9.0M | 38 |
| Anna Manzyuk Carmichael | $527K | 38 |
| Edman Fuentes Sonora | $142K | 38 |
| Ryan Nakasone Camarillo | $460K | 38 |
| David Cao Long Beach | $237K | 38 |
| Charles Okonkwo Los Angeles | $540K | 38 |
| Tuan Ngo Sacramento | $24K | 38 |
| Alexa Andraos Beverly Hills | $20K | 38 |
| Tina Thomas-Robinson San Francisco | $137K | 38 |
| Heliodoro Magana Bakersfield | $198K | 38 |
| Vlad Nusinovich West Hollywood | $23.2M | 38 |
| Daniel Dichter Los Angeles | $43K | 38 |
| Yasir Riaz Stockton | $21K | 38 |
| Annmarie Moreno Lancaster | $758K | 38 |
| Raymond Gaeta San Mateo | $1.3M | 38 |
| Cherine Moazam Santa Ana | $21K | 38 |
| Alexander Madonis Los Angeles | $57K | 38 |
| Timothy Tareque Walnut Creek | $156K | 38 |
| Ilya Rachman Reseda | $11.9M | 38 |
| Stephen Chen Oakland | $60K | 38 |
| Mani Khaleghi San Diego | $285K | 38 |
| Nicole Jernick Truckee | $24K | 38 |
| Robert Decaro Hemet | $260K | 38 |
| Alina Kievsky Los Angeles | $5.4M | 38 |
| Janette Gray San Diego | $43K | 38 |
| Raymond Huang Anaheim | $50K | 38 |
| Mohammadreza Jafarishourijeh Stockton | $470K | 38 |
| Samuel Nam Torrance | $10K | 38 |
| Felicia Hui Stanford | $13K | 38 |
| Ruth Pinter North Hollywood | $502K | 38 |
| Angela Danko Walnut Creek | $97K | 38 |
| Michael Montazeri San Diego | $30K | 38 |
| Phaxi Yang Fresno | $505K | 38 |
| Carly Zapata San Francisco | $63K | 38 |
| Edward Albert Balbas Colton | $24K | 38 |
| Pamela Moore Redlands | $220K | 38 |
| Mark Buchfuhrer Downey | $2.2M | 38 |
| Reigene Vargas Roseville | $253K | 38 |
| Sandy Trieu Stanford | $79K | 38 |
| Laura Hitchcock Lancaster | $19K | 38 |
| Barbara Showalter Merced | $48K | 38 |
| Annemarie Hargadon Winters | $76K | 38 |
| Linda Dashiell Ukiah | $85K | 38 |
| Frank Fine Modesto | $1.1M | 38 |
| Lawrence Owusu Oceanside | $304K | 38 |
| Stephanie Cheng Martinez | $56K | 38 |
| Ian Yip Woodland Hills | $1.2M | 38 |
| Brianne Ortiz Corona | $6,879 | 38 |
| Aeris Lautchang Roseville | $11K | 38 |
| Brian Madden Santa Monica | $27K | 38 |
| Michael Rabow San Francisco | $33K | 38 |
| Isaac Vielma Reseda | $40K | 38 |
| Pamela Vila Sylmar | $19K | 38 |
| Esther Luo San Jose | $27K | 38 |
| Roshni Singh Santa Clara | $16K | 38 |
| Josef Hannah Palo Alto | $54K | 38 |
| Ruby Pontemayor Oakland | $44K | 38 |
| Oliver Sum-Ping Stanford | $257K | 38 |
| Todd Meadows Roseville | $336K | 38 |
| Lara Edinger Los Angeles | $131K | 37 |
| Suja Alexander Palmdale | $160K | 37 |
| James Lauerman Murrieta | $408K | 37 |
| Lisa Elvin Larkspur | $89K | 37 |
| Sarah Sheikh Murrieta | $131K | 37 |
| Femi Obanor Fresno | $150K | 37 |
| Weiss Moshref Bakersfield | $455K | 37 |
| Maria Truong Riverside | $168K | 37 |
| Tilksew Tedla Fresno | $129K | 37 |
| Mahmood Fathollazadeh Colton | $739K | 37 |
| Keisha Hanson Monterey | $89K | 37 |
| Rhonda Clark Needles | $130K | 37 |
| Ryan O'malley Los Angeles | $103K | 37 |
| Cassandra Pallotto Palmdale | $71K | 37 |
| Gracious Basa Murrieta | $538K | 37 |
| Barbara Kangas Irvine | $163K | 37 |
| Danah Majorie Lucasan Rancho Cucamonga | $274K | 37 |
| Christopher O'carroll Newport Beach | $2.9M | 37 |
| Komalpreet Singh Bakersfield | $240K | 37 |
| Julie Freedman Berkeley | $12K | 36 |
| Thomas Gonda Oakland | $26K | 36 |
| Kiranjit Kaur Los Gatos | $37K | 36 |
| Kenneth Halter La Jolla | $53K | 36 |
| Danielle Curi Baldwin Park | $8,472 | 36 |
| Ada Edwards San Francisco | $36K | 36 |
| Jelena Macanovic Pasadena | $152K | 36 |
| Gurpreet Gill Rocklin | $83K | 36 |
| Alicia Rigby Sacramento | $219K | 36 |
| Michele Lamantia San Ysidro | $280K | 36 |
| Rodolfo Perez Montclair | $2.3M | 36 |
| Charles Garretson Live Oak | $1.6M | 36 |
| Julia Rowland Walnut Creek | $15K | 36 |
| Shirley Carrillo Oakley | $153K | 36 |
| Monte Fisher San Francisco | $10K | 36 |
| Victoria Falasco El Cajon | $215K | 36 |
| Wai Kei Wong Alhambra | $127K | 36 |
| Melanie Kreiss Redding | $35K | 36 |
| Lisa Baxter San Francisco | $110K | 36 |
| Kaifan Zhao Duarte | $155K | 36 |
| Sari Williams Duarte | $95K | 36 |
| Sally Kang Walnut Creek | $20K | 36 |
| Monica Rosenthal San Ramon | $62K | 36 |
| Rachel Hua Los Gatos | $29K | 36 |
| Jill Blumenthal San Diego | $732K | 36 |
| Maira Vielma Colton | $8,917 | 36 |
| Vinod Malhotra Fountain Valley | $604K | 36 |
| Muhammad Nasir Pasadena | $570K | 36 |
| Shawn Hassler San Francisco | $8.1M | 36 |
| Iskren Puhlev San Diego | $74K | 36 |
| Michela Termechi Pasadena | $485K | 36 |
| Audrey Malbog San Diego | $102K | 36 |
| Melissa Radcliff Whittier | $14K | 36 |
| Cynthia Kelly Duarte | $50K | 36 |
| Ariela Mascarinas Sacramento | $49K | 36 |
| Ma Renee Holcomb Modesto | $11K | 36 |
| William Bichai Bakersfield | $7.7M | 36 |
| Jennifer Baecker Duarte | $72K | 36 |
| Parvaneh Bahmani Los Angeles | $6.1M | 36 |
| John Zipperer Los Angeles | $31K | 36 |
| Clinten Edmondson Oakland | $76K | 36 |
| Abilene Enriquez Beverly Hills | $11K | 36 |
| Archana Reddy Sacramento | $1.5M | 36 |
| Kenneth Kim Orange | $21K | 36 |
| Luna Levinson Stanford | $95K | 36 |
| Jennifer Chiriano Redlands | $475K | 36 |
| John Chia Torrance | $266K | 36 |
| Gloriely Dumaguing San Francisco | $29K | 36 |
| Lisa Capaldini San Francisco | $5.2M | 36 |
| Carter Neugarten Stanford | $23K | 36 |
| Ricardo Cardenas Santa Ana | $153K | 36 |
| Sara Nopwaskey Redding | $92K | 36 |
| Lisa Boyd San Diego | $22K | 36 |
| Bruce Stark Burbank | $543K | 36 |
| Jennifer Kelly Sacramento | $115K | 36 |
| Jeannie Zanetti Santa Rosa | $80K | 36 |
| Mark Byrne Watsonville | $1.1M | 36 |
| Blair Cushing Salinas | $15K | 36 |
| Julieann Gonzales Visalia | $3,970 | 35 |
| Abhindrajeet Sandhu Walnut Creek | $3,734 | 35 |
| Joseph Dickinson Oakland | $3,060 | 35 |
| Maile Young La Jolla | $2.4M | 35 |
| Rehan Syed Novato | $249K | 35 |
| Sloan Larson Santa Cruz | $4,995 | 35 |
| Sarah Evans San Diego | $41K | 35 |
| Siamak Etehad Northridge | $4.5M | 35 |
| Jason Ngo Santa Monica | $124K | 35 |
| Katelyn Mcskane Murrieta | $18K | 35 |
| Joann Garcia Fresno | $1,677 | 35 |
| Upkar Badhesha Fresno | $81K | 35 |
| Tuan Tran Fresno | $3,293 | 35 |
| Douglas Davies Los Angeles | $1.5M | 35 |
| Nancy Jackson Spring Valley | $176K | 35 |
| Karisa Jahn Fontana | $18K | 35 |
| Almira Dukovic Newport Beach | $350K | 35 |
| Kathleen Clanon Oakland | $330K | 35 |
| Linnae Shahbaz Escondido | $40K | 35 |
| Richard Sall Bakersfield | $4,990 | 35 |
| Ana Marrero Gardena | $9,210 | 35 |
| Florante Baguio Brentwood | $11K | 35 |
| Tyler Riddick Turlock | $49K | 35 |
| Jared Domaguing Walnut Creek | $6,470 | 35 |
| Mukeshchandra Patel Apple Valley | $1.9M | 35 |
| Jose Carlo Arrojado Cerritos | $29K | 35 |
| Virgilio Ereso Ceres | $2.1M | 35 |
| Lynn Patty Fresno | $2,801 | 35 |
| Caitlin Dockweiler San Diego | $3,576 | 35 |
| Jon Patrick David Los Angeles | $10K | 35 |
| Kimberly Anderson Santa Maria | $12K | 35 |
| Elvi Antwi Perris | $30K | 35 |
| Chigurupati Ramana Manteca | $34K | 35 |
| Tien Vo El Centro | $3.1M | 35 |
| Nhu Pham Santa Ana | $33K | 35 |
| Andrea Willey Sacramento | $13K | 35 |
| David Bechtold Chico | $4,864 | 35 |
| Ryan Juhl Corona | $16K | 35 |
| Ashley Morello Apple Valley | $208K | 34 |
| Caitlyn Dipinto San Luis Obispo | $204K | 34 |
| Drashti Jani Burbank | $470 | 34 |
| Lori Reisner San Francisco | $2,499 | 34 |
| Nicholas Gonsalves Riverside | $3,675 | 34 |
| Jodi Mwendia Riverside | $127K | 34 |
| Philip Grant Stanford | $2.9M | 34 |
| Julia Middleton Valencia | $161K | 34 |
| Kenneth Feldman Harbor City | $1,048 | 34 |
| Jeremy Goodwin Petaluma | $81K | 34 |
| Robert Hoffman Tuolumne | $100K | 34 |
| Marc Claydon Grass Valley | $2,625 | 34 |
| Viken Konyalian Long Beach | $923 | 34 |
| Gabriel Calzada Bellflower | $2,318 | 34 |
| Ladonna Holt Fresno | $233K | 34 |
| Kimberly Kwok San Francisco | $3,286 | 34 |
| Donna Hamby Concord | $140K | 34 |
| Jennifer Scharler Pasadena | $287K | 34 |
| Laura Yassa Soquel | $679 | 34 |
| Se Yeon Kang Palmdale | $222K | 34 |
| Stefanie Sacknoff La Mesa | $293K | 34 |
| Nicole Cohen Los Angeles | $9,966 | 34 |
| Craig Wall Roseville | $1,338 | 34 |
| Blanca Cardenas San Diego | $355K | 33 |
| Peter Pappas Santa Rosa | $14K | 33 |
| Elaina Ngo Panorama City | $55K | 33 |
| Cynthia Kwan South San Francisco | $100K | 33 |
| David Davis Camarillo | $426K | 33 |
| Estefania Velasco Carmichael | $9,845 | 33 |
| Homayoun Sharim Beverly Hills | $10.0M | 33 |
| Arkady Stern Los Angeles | $9.3M | 33 |
| Grace Le Vallejo | $2,394 | 33 |
| Ofili Okolonwamu Woodland | $18K | 33 |
| Nicolas Delapena Merced | $1.9M | 33 |
| Tae Song Stanford | $3,690 | 33 |
| Andrew Myerson La Jolla | $907 | 33 |
| Andy Nguyen Encinitas | $1.2M | 33 |
| Arthur Karaguezian Northridge | $6.5M | 33 |
| Gary Johnson San Andreas | $1.0M | 33 |
| Zarine Ter-Poghosyan Burbank | $6.9M | 33 |
| Alex Gold Santa Monica | $2.6M | 33 |
| Mark Higgins San Francisco | $10.3M | 33 |
| Mary Tran Garden Grove | $6.4M | 33 |
| Marina Kovalevsky Los Angeles | $4.6M | 33 |
| Isabelle Wong Palo Alto | $75K | 33 |
| Alexander Luong San Jose | $198K | 33 |
| Zaven Arslanian Glendale | $7.6M | 33 |
| Joann Nguyen San Jose | $6.0M | 33 |
| Arutyun Topsakalyan Glendale | $10.8M | 33 |
| Wesley Kinzie Modesto | $16K | 33 |
| Stephanie Serna Napa | $6,984 | 33 |
| Lindsey Thomas Colton | $19K | 33 |
| Gayle Fenner Walnut Creek | $5,925 | 33 |
| Razmik Ohanjanian Glendale | $7.5M | 33 |
| Vahan Madatovian Glendale | $2.6M | 33 |
| Nnamdi Orakpo Redwood City | $98K | 33 |
| Karo Isagholian Glendale | $3.2M | 33 |
| Clayton Barbour Cathedral City | $9.8M | 33 |
| William Jamieson Roseville | $8,090 | 33 |
| Rolando Santos Sacramento | $324K | 33 |
| Anahit Blikian Glendale | $6.4M | 33 |
| Calvin Ly Hercules | $1.4M | 33 |
| Babita Dhapola Livermore | $3,571 | 33 |
| Jeffrey Garcia Ukiah | $1,884 | 33 |
| Muzhda Rezai Santa Rosa | $6,890 | 33 |
| Lanny Hsu Martinez | $63K | 33 |
| Thomas King San Andreas | $389K | 33 |
| Clark Smith San Diego | $16K | 33 |
| Anne French Sonoma | $867K | 33 |
| Elia Perez-Sanchez Newport Beach | $338K | 33 |
| Jenivi Lau Mission Viejo | $2,781 | 33 |
| Stephen Doll Redding | $1,482 | 33 |
| Alastair Mondala South San Francisco | $1.4M | 33 |
| Samantha Payseno Fresno | $1,929 | 33 |
| Sherri Maximiuk Long Beach | $208K | 33 |
| Chrissy Billones San Diego | $9,379 | 33 |
| Kristen Peanasky San Carlos | $981 | 33 |
| Vanessa Ferrario Stockton | $3,873 | 33 |
| William Tom Ukiah | $1,697 | 33 |
| Hardip Rahal Fresno | $11K | 33 |
| Hannah Keller Lodi | $5,090 | 33 |
| Tanya Hamidi Sherman Oaks | $22K | 33 |
| Alexander Hoffman San Leandro | $12K | 33 |
| Maria Luisa Da Cunha San Diego | $682K | 33 |
| Thuong Vo Lancaster | $1.9M | 33 |
| Diana Corea Corona | $158K | 33 |
| David Basco Sacramento | $524K | 33 |
| Russell Sanders Newport Beach | $12K | 33 |
| Maria Christie Fernando Stockton | $8,784 | 33 |
| Tamara Rubenzik San Diego | $456K | 33 |
| Kathleen Epps Union City | $7,748 | 33 |
| Kristin Siu Folsom | $11K | 33 |
| Kumar Vasudevan Los Angeles | $12K | 33 |
| Julia Lui San Jose | $181K | 33 |
| Sabiha Pasha Oceanside | $44K | 33 |
| Steven Tolkan Fairfield | $117K | 33 |
| Zonglang Tsai Torrance | $3.1M | 33 |
| Pamela Rico Oakhurst | $365K | 33 |
| Nathan Healy Fresno | $4,833 | 33 |
| Elizabeth Moskaitis Mission Viejo | $2,274 | 33 |
| Lindsay Jackson-Tito Fresno | $440K | 33 |
| Donald Plance Montrose | $52K | 33 |
| Skyler Ingemansson Roseville | $3,323 | 33 |
| Andrea Derlet Sacramento | $4,197 | 33 |
| Jocelyn Bellairs Rancho Cucamonga | $1,910 | 33 |
| Kevin Deutsche Sebastopol | $1,530 | 33 |
| Nina Ton Fullerton | $6,711 | 32 |
| Gary Reznik Los Angeles | $11.5M | 32 |
| Mary Conroy Greenbrae | $15K | 32 |
| Donald Ware Los Angeles | $107K | 32 |
| Clara Nnadi Colton | $84K | 32 |
| Roger Wang San Francisco | $7.7M | 32 |
| Harjeet Randhawa Bakersfield | $339K | 32 |
| Thomas Brudz Sacramento | $57K | 32 |
| Svetlana Kim Clayton | $93K | 32 |
| Melinda Orellana Redding | $468K | 32 |
| Jeffrey Burack Oakland | $5.5M | 32 |
| Wendell Wharton Lynwood | $295K | 32 |
| Jose Sanchez Carmichael | $19K | 32 |
| Irene Knight Santa Clarita | $575K | 32 |
| Jodi Deemer Newport Beach | $3,575 | 32 |
| Erik Smith Sacramento | $1.1M | 32 |
| Erin Jaeger Colton | $555K | 32 |
| David Kramer Anaheim | $160K | 32 |
| Christopher Fucci Travis Afb | $34K | 32 |
| Erika Fromhold Santa Maria | $458K | 32 |
| Gary Ohashi Westminster | $349K | 32 |
| Samer Othman San Luis Obispo | $771K | 32 |
| Christina Sanchez Placerville | $82K | 32 |
| Jerome Marcos Lancaster | $450K | 32 |
| Helen Cheung Sacramento | $27K | 32 |
| Bijan Hoorfar Encino | $100K | 32 |
| Francisco Pardo San Diego | $147K | 32 |
| Lisa Paradiso Fullerton | $11K | 32 |
| Saeed Nick La Mirada | $132K | 32 |
| Talia Rogers Vallejo | $51K | 32 |
| Robert Hagar Oakland | $26K | 32 |
| Danny Jones Lancaster | $281K | 32 |
| David Smith San Diego | $178K | 32 |
| Amanda Dadashi Chino | $301K | 32 |
| Matthew Tweet Sacramento | $2,806 | 31 |
| Joseph Kim Mountain View | $787 | 31 |
| Robert Buckingham Ojai | $1.2M | 31 |
| Janifer Dhanoa Fremont | $19K | 31 |
| Luis Navazo Oceanside | $2.3M | 31 |
| Karen Spizer Walnut Creek | $41K | 31 |
| Megan Moyers La Quinta | $45K | 31 |
| Roman Malley Fresno | $1.6M | 31 |
| Lisa Gustafson Stanford | $29K | 31 |
| Steven Rosenblatt San Bernardino | $1.4M | 31 |
| Larry Marianella Santa Rosa | $871K | 31 |
| Erik Sharp Eureka | $45K | 31 |
| Erica Jenkins Los Angeles | $162K | 31 |
| Benjamin Moret Sacramento | $57K | 31 |
| Katherine Kimbro Visalia | $4,085 | 31 |
| Carey Ramirez Duarte | $106K | 31 |
| Roy Smith Yreka | $6,457 | 31 |
| Elizabeth Banach Torrance | $4,005 | 31 |
| Chill Yee Roseville | $1,632 | 31 |
| Eunice Kim Loma Linda | $21K | 31 |
| Joseph Barrera Orange | $25K | 31 |
| Karoljohn Delara Chula Vista | $493K | 31 |
| Moira Opalka Sausalito | $39K | 31 |
| Marshe Ivy Stockton | $1.1M | 31 |
| Howard Pitchon Beverly Hills | $1.1M | 31 |
| Agustin Rubio Reedley | $3.2M | 31 |
| Michael Staszel Mount Shasta | $1.9M | 31 |
| Cristian Neagu Hayward | $2,617 | 31 |
| Laura Jensen Riley South Lake Tahoe | $87K | 31 |
| James Agatep Santa Ana | $24K | 31 |
| Rachel Brinitzer San Mateo | $4,512 | 31 |
| Kathleen Brown Redlands | $19K | 31 |
| Jamie Tsai Sunnyvale | $918 | 31 |
| John Stack Oroville | $1.4M | 31 |
| Jeanine Moreno Duarte | $35K | 31 |
| Catherine Brown Menifee | $8,019 | 31 |
| Angela Malatesta Walnut Creek | $34K | 31 |
| Kumkum Mehta Duarte | $29K | 31 |
| Aashika Rafanan Oxnard | $58K | 31 |
| Carrie Kwan Burbank | $7,405 | 31 |
| Owen Kim Porterville | $38K | 31 |
| Shelly Garone Roseville | $94K | 31 |
| Barbara Greenwell Irvine | $18K | 31 |
| Daniel Ekkens Chico | $478K | 31 |
| Laura Davis Walnut Creek | $6,414 | 31 |
| Jason Berkley Los Angeles | $12K | 30 |
| Jamison Feramisco San Diego | $1.7M | 30 |
| Abdul Khan Manteca | $1.4M | 30 |
| William Heller Aptos | $16K | 30 |
| Esfandiar Esfandiarifard Encino | $3.4M | 30 |
| Eran Matalon Santa Rosa | $905K | 30 |
| Hakop Gevorkyan Burbank | $3.5M | 30 |
| Eli Chang Los Angeles | $15K | 30 |
| Doeyoung Kim Los Angeles | $4.5M | 30 |
| Jung Bae Los Angeles | $3.4M | 30 |
| Sajot Grewal Corte Madera | $960K | 30 |
| Ashraf Nashed Thousand Oaks | $2.9M | 30 |
| Michael Lardon San Diego | $1.5M | 30 |
| Gregory Bricca Roseville | $3,801 | 30 |
| Suk Lee Paradise | $11K | 30 |
| Sanjay Chauhan Fresno | $52K | 30 |
| David Gu Alhambra | $3.5M | 30 |
| Missak Kltchian Los Angeles | $4.1M | 30 |
| Balwinder Shukla San Ysidro | $1.1M | 30 |
| Jae Yoo Los Angeles | $6.6M | 30 |
| Aziz Kamali Stockton | $3.6M | 30 |
| Chang Cho Fontana | $3,187 | 30 |
| James Hwang Riverside | $3,039 | 30 |
| Katherine Kenny Watsonville | $10K | 30 |
| Quincy Woods Hemet | $1.1M | 30 |
| Gregor Paronian Pasadena | $5.3M | 30 |
| Anhtuan Nguyen Westminster | $3.1M | 30 |
| Arzhang Zereshki Emeryville | $204K | 30 |
| Bosheng Qiu Alhambra | $6.6M | 30 |
| Clarrissa Kripke San Francisco | $462K | 30 |
| David Aftergood Beverly Hills | $3.8M | 30 |
| Louis Cubba San Francisco | $5.6M | 30 |
| Karl Wittnebel Los Angeles | $45K | 30 |
| Georgi Mikeladze San Francisco | $307K | 30 |
| John Alchemy Santa Rosa | $6,499 | 30 |
| Shahriar Ghodsian Thousand Oaks | $18K | 30 |
| Nathaniel Neal Long Beach | $2.0M | 30 |
| Joseph Caperna San Diego | $3.6M | 30 |
| Willaim Foxley Visalia | $27K | 30 |
| Sandra Han San Francisco | $7,619 | 30 |
| Mary Spernoga Sacramento | $732K | 30 |
| John Nienow San Francisco | $7.8M | 30 |
| Benjamin Greer Danville | $131K | 30 |
| Cecil Bradley San Jose | $41K | 30 |
| Lei Guo Modesto | $332K | 30 |
| Veronica Lazarus Santa Monica | $197K | 30 |
| Harinderpal Chahal Bakersfield | $3,857 | 30 |
Top Opioid Prescribers in California
| Provider | Opioid Rate | Opioid Claims |
|---|---|---|
| Matthew Tweet Sacramento | 78.1% | N/A |
| Charles Stevens El Centro | 51.2% | N/A |
| Paul Lee Fullerton | 47.6% | N/A |
| Christian Kirman Concord | 46.7% | N/A |
| Leah Candell Stanford | 43.8% | N/A |
| Jesse Jacobs Santa Barbara | 42.1% | N/A |
| Geoffrey Krampitz Burlingame | 39.5% | N/A |
| Jawad Khan Fountain Valley | 36.8% | N/A |
| Edward Jung West Covina | 34.0% | N/A |
| Reymond Bautista Davis | 34.0% | N/A |
| Moksha Ranasinghe Montebello | 32.5% | N/A |
| Juan Sarti Stockton | 30.9% | N/A |
| Mirwais Hussainy Santa Ana | 28.9% | N/A |
| Thomas Nguyen Hayward | 28.1% | N/A |
| Bryant Nguyen Aliso Viejo | 25.9% | N/A |
| Aaron Goodenough Ventura | 24.4% | N/A |
| Timothy Halpin Beale Afb | 22.3% | N/A |
| Xuan-Binh Pham Orange | 22.0% | N/A |
| Niklaus Eriksen Anaheim | 21.8% | N/A |
| David Levine Riverside | 21.1% | N/A |
Prescribers in California
| Provider | Claims | Drug Cost |
|---|---|---|
| Peyman Benharash Los Angeles | 39 | $1,995 |
| Richard John Santa Maria | 22 | $438 |
| Michael Viggianelli San Luis Obispo | 11 | $167 |
| Charles Stevens El Centro | 5,792 | $328K |
| Vinod Trivedi Sacramento | 941 | $1.0M |
| Lakshmi Srinivasan Fremont | 1,431 | $855K |
| Steve Gichuru West Covina | 47 | $622 |
| Trang La Oakland | 134 | $3,552 |
| Brett Lockman Sonora | 92 | $32K |
| Michael Galuska Camp Pendleton | 11 | $487 |
| Ryan Partnoff Pasadena | 32 | $320 |
| Supak Choti Burney | 79 | $337 |
| Merle Godfrey Loomis | 11 | $218 |
| Nam Nguyen San Jose | 25 | $182 |
| Tom Vu Sherman Oaks | 65 | $663 |
| Cindy Szeto Roseville | 15 | $127 |
| Radha Chirumamilla Modesto | 343 | $40K |
| Alisia Lee Exeter | 1,960 | $210K |
| Rekha Vontela Antioch | 57 | $348 |
| Kyung A Lim Los Angeles | 14 | $69 |
| Kristine Arthur Fountain Valley | 3,037 | $205K |
| Sonia Khullar Los Angeles | 63 | $455 |
| Edward Jung West Covina | 94 | $2,867 |
| Lam Chittaphong San Diego | 133 | $1,029 |
| Andrew Picel Stanford | 17 | $95 |
| Lauren Gannon Pleasant Hill | 2,622 | $180K |
| Mirwais Hussainy Santa Ana | 533 | $3,300 |
| Niceto Lopez Walnut Creek | 9,759 | $804K |
| Jillian Chelson Santa Cruz | 854 | $84K |
| Juan Sarti Stockton | 207 | $3,608 |
| Roberta Wang Vallejo | 95 | $8,650 |
| Antonia Cotwright Redondo Beach | 42 | $1,102 |
| Maung Tin South San Francisco | 367 | $11K |
| Chun Chang Modesto | 825 | $9,541 |
| Ramin Motarjemi San Diego | 261 | $46K |
| Cory Nitzel Ventura | 723 | $110K |
| Linden Burzell Oceanside | 5,321 | $434K |
| Matthew Tweet Sacramento | 237 | $2,806 |
| Kwang Ja Kim Artesia | 35 | $9,942 |
| Timothy Nguyen Milpitas | 307 | $1,966 |
| David Todd Bishop | 93 | $3,282 |
| Dean Amundsen Camarillo | 545 | $172K |
| Maureen Vieira Modesto | 205 | $31K |
| Steve Bolur West Los Angeles | 14 | $73 |
| Jaime Ortiz Bakersfield | 630 | $88K |
| Maulik Shah Fresno | 202 | $11K |
| James Wang Santa Ana | 50 | $347 |
| Huong Thi Nguyen San Jose | 24 | $351 |
| Seyed Ali Khonsary South Gate | 28 | $292 |
| Michael Clapper Palm Springs | 57 | $242 |