John P. Gambin, MD
NPI 1588622955ActiveIndividual· Psychiatry & Neurology, Neurology· Eureka, CA
Psychiatry & Neurology, Neurology (MD) in Eureka, California, licensed in CA, with an NPI issued in May 2006. Mostly services rather than prescriptions: Medicare paid $1,731 for 42 patients in 2024, with only 19 Part D claims.
Overview
| NPI | 1588622955 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 3, 2006 |
| Last updated in NPPES | Feb 23, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | A24766 | CA |
| Psychiatry & Neurology, Sleep Medicine | 2084S0012X | A24766 | CA |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 42 |
|---|---|
| Services billed | 42 across 6 procedure codes |
| Paid by Medicare | $1,731 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19 · 38 30-day fills |
|---|---|
| Total drug cost | $287.51 |
| Generic share | 100% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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