Son H. Phung, MD
NPI 1174550172ActiveIndividual· Internal Medicine· Flint, MI
Internal Medicine (MD) with Genesee Health System, practicing in Flint, Michigan. Part D covered 3,051 prescriptions written in 2024, 84% of them generic. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $80.30 in all, mostly food and beverage.
Overview
| NPI | 1174550172 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 26, 2006 |
| Last updated in NPPES | Mar 7, 2023 |
| Certified by provider | Jun 8, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301079180 | MI |
| Hospitalist | 208M00000X | 01071370A | IN |
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 (MI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 3,051 · 3,765 30-day fills |
|---|---|
| Patients | 172 |
| Total drug cost | $215,008 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Genesee Health SystemFlint, MI · 35 clinicians
Industry payments (Open Payments)
- 2025$80.30 · 4 payments from 3 companies
- 2024$100.38 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $38.86 | 2 |
| Alkermes, Inc. | $25.39 | 1 |
| Otsuka America Pharmaceutical, Inc. | $16.05 | 1 |
What the 2025 payments were for
- Food and Beverage$80.30 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 257 internal medicine physicians in Flint · All internal medicine physicians in Michigan