David Gregory Gerst III, M.D.
NPI 1689052524ActiveIndividual· Internal Medicine· Rochester, MI
Internal Medicine (M.D.) in Rochester, Michigan, trained at Wayne State University School of Medicine (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $439,836 for 3,557 claims, against $158,865 paid for services in 2024. Novo Nordisk Inc was the largest of 11 companies reporting payments in 2025, $669.84 in all, mostly food and beverage.
Overview
| NPI | 1689052524 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 12, 2015 |
| Last updated in NPPES | Jul 12, 2021 |
| Certified by provider | Jul 10, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 0101272476 | VA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 339 |
|---|---|
| Services billed | 3,629 across 78 procedure codes |
| Paid by Medicare | $158,865 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,557 · 8,358 30-day fills |
|---|---|
| Patients | 355 |
| Total drug cost | $439,836 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Privia Medical Group, LLCFairfax, VA · 1,533 clinicians
Hospital affiliations
- Inova Alexandria HospitalAlexandria, VA
- Inova Mount Vernon HospitalAlexandria, VA
- Sentara Northern Virginia Medical CenterWoodbridge, VA
Other facilities
- Alternate Solutions Home Health-FairfaxHome health agency · Fairfax, VA
- Enhabit Home HealthHome health agency · Springfield, VA
Industry payments (Open Payments)
- 2025$669.84 · 29 payments from 11 companies
- 2024$886.68 · 37 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $231.62 | 10 |
| Medtronic, Inc. | $136.08 | 3 |
| Amgen Inc. | $81.26 | 4 |
| Lilly USA, LLC | $41.98 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $37.77 | 2 |
What the 2025 payments were for
- Food and Beverage$669.84 · 29 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 44 internal medicine physicians in Rochester · All internal medicine physicians in Michigan