Medicare Part D Prescribers in Rosemead, California
10 flagged and high-volume prescribers across 4 medical specialties.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
10
Providers
$36.1M
Total Drug Cost
0
High Risk
0.5%
Avg Opioid Rate
Top Prescribers by Drug Cost
| Provider | Claims | Drug Cost |
|---|---|---|
| Harold Hsu | 54,038 | $6.4M |
| David Lin | 36,178 | $4.3M |
| Dan Tran | 23,502 | $4.2M |
| Han Duong | 27,895 | $4.0M |
| Bo Huynh | 22,372 | $3.5M |
| Mei Ngai | 19,620 | $3.4M |
| Thoi Lien | 34,696 | $3.0M |
| Hong Liang | 19,626 | $2.8M |
| Huynh Tran | 20,217 | $2.4M |
| Vincent Ho | 21,255 | $2.2M |
Specialties in Rosemead
Internal Medicine
5 providers
Family Practice
3 providers
Geriatric Medicine
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.