Ilkcan Cokgor, M.D.
NPI 1235100603ActiveIndividual· Psychiatry & Neurology, Neurology· Greenbrae, CA
Psychiatry & Neurology, Neurology (M.D.) in Greenbrae, California, licensed in CA, with an NPI issued in February 2006. Their prescriptions cost Medicare Part D more than their services did: $3,491,704 for 7,684 claims, against $676,408 paid for services in 2024. Abbvie Inc. was the largest of 38 companies reporting payments in 2025, $7,100 in all, mostly food and beverage. Lists Marinhealth Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1235100603 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 1, 2006 |
| Last updated in NPPES | Apr 15, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | A71057 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,788 |
|---|---|
| Services billed | 31,598 across 27 procedure codes |
| Paid by Medicare | $676,408 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,684 · 11,849 30-day fills |
|---|---|
| Patients | 1,040 |
| Total drug cost | $3,491,704 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Neurology |
| Secondary specialties | Psychiatry |
Hospital affiliations
- Marinhealth Medical CenterGreenbrae, CA
- Novato Community HospitalNovato, CA
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA
- Sonoma Valley HospitalSonoma, CA
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$7,100 · 312 payments from 38 companies
- 2024$7,031 · 317 payments from 33 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $1,274 | 57 |
| Catalyst Pharmaceuticals, Inc. | $657.27 | 21 |
| Neurocrine Biosciences, Inc. | $555.90 | 22 |
| Sk Life Science, Inc. | $546.44 | 49 |
| Pfizer Inc. | $462.86 | 24 |
What the 2025 payments were for
- Food and Beverage$7,100 · 312 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Psychiatry & Neurology, Neurology providers in Greenbrae
- 1609056233
- 1205368305
All Psychiatry & Neurology, Neurology providers in California →