Sarah Gergis, MD
NPI 1245892215ActiveIndividual· Internal Medicine· Flint, MI
Internal Medicine (MD) in Flint, Michigan, licensed in MI, with an NPI issued in June 2019. Their prescriptions cost Medicare Part D more than their services did: $68,135 for 34 claims, against $5,379 paid for services in 2024. Alexion Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $152.96 in all, mostly education.
Overview
| NPI | 1245892215 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 30, 2019 |
| Last updated in NPPES | Feb 14, 2024 |
| Certified by provider | Feb 14, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301507920 | MI |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 23 |
|---|---|
| Services billed | 103 across 10 procedure codes |
| Paid by Medicare | $5,379 |
Part D prescriptions in 2024
| Prescriptions (claims) | 34 · 59 30-day fills |
|---|---|
| Patients | 19 |
| Total drug cost | $68,135 |
| Generic share | 71% of claims |
Industry payments (Open Payments)
- 2025$152.96 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $99.99 | 1 |
| Caris Mpi, Inc. | $52.97 | 1 |
What the 2025 payments were for
- Education$99.99 · 1 payment
- Food and Beverage$52.97 · 1 payment
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