John D. Clark, M.D.
NPI 1235166943ActiveIndividual· Psychiatry & Neurology, Neurology· Fernandina Beach, FL
Psychiatry & Neurology, Neurology (M.D.) in Fernandina Beach, Florida, trained at University of Oklahoma College of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $720,811 for 4,822 claims, against $176,566 paid for services in 2024. Abbvie Inc. was the largest of 6 companies reporting payments in 2025, $507.78 in all, mostly food and beverage.
Overview
| NPI | 1235166943 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 27, 2006 |
| Last updated in NPPES | Aug 2, 2024 |
| Certified by provider | Aug 2, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | ME169258 | FL |
| Psychiatry & Neurology, Neurology | 2084N0400X | 04-23864 | KS |
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 - Neurology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 551 |
|---|---|
| Services billed | 16,665 across 44 procedure codes |
| Paid by Medicare | $176,566 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,822 · 7,433 30-day fills |
|---|---|
| Patients | 602 |
| Total drug cost | $720,811 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Neurology |
Medical group
- Baptist Neurology IncJacksonville, FL · 50 clinicians
Hospital affiliations
- Baptist Health Medical Center - JacksonvilleJacksonville, FL
- Baptist Medical Center BeachesJacksonville Beach, FL
- Baptist Medical Center - NassauFernandina Beach, FL
Industry payments (Open Payments)
- 2025$507.78 · 17 payments from 6 companies
- 2024$365.21 · 9 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $193.25 | 11 |
| Tg Therapeutics, Inc. | $126.26 | 1 |
| Ucb, Inc. | $102.85 | 1 |
| Amneal Pharmaceuticals LLC | $50.07 | 2 |
| Emd Serono, Inc. | $17.79 | 1 |
What the 2025 payments were for
- Food and Beverage$507.78 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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