Mai Tuyet Phan, M.D.
NPI 1306879283ActiveIndividual· Internal Medicine· Reseda, CA
Internal Medicine (M.D.) with Mai Tuyet Phan Medical Clinic A Professional Corporation, practicing in Reseda, California. Their prescriptions cost Medicare Part D more than their services did: $2,413,124 for 16,534 claims, against $23,261 paid for services in 2024. Bausch & Lomb Americas Inc. was the largest of 5 companies reporting payments in 2025, $169.70 in all, mostly food and beverage.
Overview
| NPI | 1306879283 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 7, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A051466 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 91 |
|---|---|
| Services billed | 442 across 20 procedure codes |
| Paid by Medicare | $23,261 |
Part D prescriptions in 2024
| Prescriptions (claims) | 16,534 · 40,185 30-day fills |
|---|---|
| Patients | 856 |
| Total drug cost | $2,413,124 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1978 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Mai Tuyet Phan Medical Clinic A Professional CorporationReseda, CA · 2 clinicians
Industry payments (Open Payments)
- 2025$169.70 · 8 payments from 5 companies
- 2024$283.24 · 10 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $66.82 | 3 |
| Exact Sciences Corporation | $35.13 | 2 |
| Regeneron Healthcare Solutions, Inc. | $26.43 | 1 |
| Alcon Vision LLC | $23.50 | 1 |
| Kowa Pharmaceuticals America, Inc. | $17.82 | 1 |
What the 2025 payments were for
- Food and Beverage$169.70 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 internal medicine physicians in Reseda · All internal medicine physicians in California