Medicare Part D Prescribers in Los Angeles, California
111 flagged and high-volume prescribers across 23 medical specialties.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
111
Providers
$281.1M
Total Drug Cost
4
High Risk
2.0%
Avg Opioid Rate
Top Prescribers by Drug Cost
| Provider | Claims | Drug Cost |
|---|---|---|
| Hew Quon | 46,006 | $12.8M |
| Gary Reznik | 46,194 | $11.5M |
| Mark Song | 38,881 | $9.9M |
| Arkady Stern | 39,807 | $9.3M |
| Irina Urusova | 23,894 | $9.2M |
| Anna Milstein | 34,592 | $9.0M |
| Sang Baik | 45,970 | $9.0M |
| Manouchehr Rashti | 31,902 | $8.6M |
| Dong Shin | 41,985 | $7.5M |
| Yelena Badalova | 25,535 | $7.5M |
| Andrew Cho | 21,348 | $7.0M |
| Sonwoo Lee | 38,190 | $6.6M |
| Jae Yoo | 43,579 | $6.6M |
| Nick Lee | 24,312 | $6.1M |
| Hovanes Ter-Zakarian | 39,065 | $6.1M |
| James Jung | 38,229 | $5.9M |
| Dae Rheem | 38,318 | $5.5M |
| Alina Kievsky | 19,667 | $5.4M |
| Justin Rheem | 24,811 | $5.0M |
| Heesoo Jeong | 29,579 | $5.0M |
Specialties in Los Angeles
Internal Medicine
9 providers
Family Practice
3 providers
Cardiology
2 providers
General Practice
2 providers
Endocrinology
1 provider
Ophthalmology
1 provider
Gastroenterology
1 provider
Nurse Practitioner
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.