Medicare Part D Prescribers in Houston, Texas
126 flagged and high-volume prescribers across 28 medical specialties.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
126
Providers
$131.0M
Total Drug Cost
3
High Risk
10.1%
Avg Opioid Rate
Top Prescribers by Drug Cost
| Provider | Claims | Drug Cost |
|---|---|---|
| Najmuddin Karimjee | 113,639 | $14.0M |
| Duc Phan | 47,414 | $9.9M |
| Nghia Nguyen | 48,308 | $8.0M |
| Murtaza Mussaji | 35,976 | $6.5M |
| Patricia Salvato | 41,808 | $6.2M |
| Huy Le | 37,522 | $5.8M |
| Xudong Xu | 20,496 | $4.2M |
| Hung Nguyen | 20,878 | $3.7M |
| Jamir Mireles | 21,673 | $3.5M |
| Emmanuel Agoh | 26,386 | $3.4M |
| Oscar De Valle | 26,509 | $3.2M |
| Tram Ho | 21,167 | $2.9M |
| Fiaz Zaman | 9,320 | $2.9M |
| Nam Ho | 24,009 | $2.5M |
| Khanh Nguyen | 15,554 | $2.4M |
| Miguel Morales | 19,625 | $2.3M |
| Sunyoung Lee | 375 | $2.3M |
| Khoa Nguyen | 21,888 | $2.2M |
| Esteban Berberian | 18,272 | $2.2M |
| Yi Zhou | 24,144 | $2.1M |
Specialties in Houston
Internal Medicine
9 providers
Family Practice
9 providers
Ophthalmology
1 provider
Medical Oncology
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.