John David Culbertson, M.D.
NPI 1649219833ActiveIndividual· Internal Medicine· San Anselmo, CA
Internal Medicine (M.D.) in San Anselmo, California, trained at Medical University of South Carolina College of Medicine (class of 1998). Part D covered 7,242 prescriptions written in 2024, 88% of them generic. Novo Nordisk Inc was the largest of 4 companies reporting payments in 2025, $141.93 in all, mostly food and beverage.
Overview
| NPI | 1649219833 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 5, 2006 |
| Last updated in NPPES | Jan 22, 2025 |
| Certified by provider | Jan 22, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A99250 | CA |
| Internal Medicine | 207R00000X | 23216 | AL |
| Internal Medicine | 207R00000X | 26725 | SC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 7,242 · 18,094 30-day fills |
|---|---|
| Patients | 766 |
| Total drug cost | $366,918 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Medical University of South Carolina College of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Marinhealth Medical CenterGreenbrae, CA
- Novato Community HospitalNovato, CA
Other facilities
- Sutter Care at HomeHome health agency · Novato, CA
Industry payments (Open Payments)
- 2025$141.93 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $46.15 | 2 |
| Lilly USA, LLC | $44.02 | 2 |
| Heartflow, Inc. | $30.31 | 1 |
| Amgen Inc. | $21.45 | 1 |
What the 2025 payments were for
- Food and Beverage$141.93 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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