Medicare Part D Prescribers in Modesto, California

24 flagged and high-volume prescribers across 11 medical specialties.

Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026

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24

Providers

$14.3M

Total Drug Cost

3

High Risk

15.5%

Avg Opioid Rate

High-Risk Providers in Modesto

Providers flagged by our multi-factor risk scoring model. Risk scores are statistical indicators, not allegations of wrongdoing. Learn about our methodology.

ProviderDrug CostOpioid Rate
Sue Schoonover$693K71.6%
Julie Mallory$400K70.5%
Theodore Staahl$2,59916.5%

Top Prescribers by Drug Cost

ProviderClaimsDrug Cost
Nandeesh Veerappa32,800$2.4M
Tushar Modi24,552$2.3M
Karlene Bert10,126$1.7M
Giang Lam17,922$1.6M
Kevin Knobel18,936$1.6M
Marek Skowron18,610$1.0M
Swe Than12,209$890K
Jerry Chastain10,344$748K
Sue SchoonoverHigh Risk6,787$693K
Marie Macarubbo10,438$514K
Julie MalloryHigh Risk5,286$400K
Vipul Bhagat8,800$392K
Radha Chirumamilla343$40K
Maureen Vieira205$31K
Chun Chang825$9,541
Theodore StaahlHigh Risk127$2,599
Caryn TonN/AN/A
Garfield PickellN/AN/A
Susan TiptonN/AN/A
David CollmanN/AN/A

Specialties in Modesto

Internal Medicine

6 providers

Family Practice

5 providers

Nurse Practitioner

3 providers

Physician Assistant

1 provider

Obstetrics & Gynecology

1 provider

Emergency Medicine

1 provider

Otolaryngology

1 provider

Pharmacist

1 provider

Podiatry

1 provider

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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.