Medicare Part D Prescribers in San Diego, California
48 flagged and high-volume prescribers across 20 medical specialties.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
48
Providers
$37.3M
Total Drug Cost
3
High Risk
7.8%
Avg Opioid Rate
High-Risk Providers in San Diego
Providers flagged by our multi-factor risk scoring model. Risk scores are statistical indicators, not allegations of wrongdoing. Learn about our methodology.
| Provider | Drug Cost | Opioid Rate |
|---|---|---|
| David Smith | $178K | 55.0% |
| Janette Gray | $43K | 11.6% |
Top Prescribers by Drug Cost
| Provider | Claims | Drug Cost |
|---|---|---|
| Daniel Lee | 9,174 | $7.8M |
| Tu Truong | 21,018 | $6.3M |
| Bernard Michlin | 28,693 | $4.5M |
| Fareeha Siddiqui | 14,081 | $4.1M |
| Huan Le | 40,486 | $3.6M |
| Arturo Armendariz | 20,205 | $3.1M |
| Tung Lai | 18,101 | $2.3M |
| Jamison Feramisco | 20,307 | $1.7M |
| Andrew Phoon | 11,376 | $1.3M |
| Asim Guha Roy | 17,880 | $1.2M |
| Barbara Denysiak | 3,262 | $426K |
| Khoa Nguyen | 9,128 | $419K |
| Blanca Cardenas | 5,027 | $355K |
| David SmithHigh Risk | 3,369 | $178K |
| Ramin Motarjemi | 261 | $46K |
| Janette GrayHigh Risk | 980 | $43K |
| Brian Butler | 119 | $14K |
| Ann Pena | 191 | $7,022 |
| Jennifer Hanley | 202 | $4,217 |
| Ramandeep Dhillon | 322 | $3,764 |
Specialties in San Diego
Internal Medicine
8 providers
Physician Assistant
2 providers
Infectious Disease
1 provider
Hematology-Oncology
1 provider
Pulmonary Disease
1 provider
Dermatology
1 provider
General Practice
1 provider
Nurse Practitioner
1 provider
Pain Management
1 provider
Hospitalist
1 provider
Explore More
Data from CMS Medicare Part D Prescriber Public Use File, 2023. Only providers meeting CMS disclosure thresholds are included. Risk scores are statistical indicators based on prescribing pattern analysis — not allegations of fraud or wrongdoing.