Alan H. Cohen, M.D.
Psychiatry & Neurology, Neurology (M.D.) in Los Alamitos, California, trained at New York University School of Medicine (class of 1965). Their prescriptions cost Medicare Part D more than their services did: $61,175 for 224 claims, against $13,883 paid for services in 2024. Celgene Corporation was the largest of 5 companies reporting payments in 2025, $181.16 in all, mostly food and beverage. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1902843659 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 1, 2006 |
| Last updated in NPPES | Sep 3, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | G20309 | CA |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in California, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | Alan J. Cohen · Psychology | 1128b4 | Jul 16, 1991 | Oakland, CA |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | Possible (name) | See above |
| 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 | 60 |
|---|---|
| Services billed | 139 across 18 procedure codes |
| Paid by Medicare | $13,883 |
Part D prescriptions in 2024
| Prescriptions (claims) | 224 · 522 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $61,175 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 1965 |
| Medicare specialty | Neurology |
Medical group
- Southland Neurologic Institute A Medical CorporationLong Beach, CA · 8 clinicians
Industry payments (Open Payments)
- 2025$181.16 · 7 payments from 5 companies
- 2024$104.24 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Celgene Corporation | $57.33 | 2 |
| Amneal Pharmaceuticals LLC | $55.41 | 2 |
| Springworks Therapeutics, Inc. | $27.44 | 1 |
| Abbvie Inc. | $24.93 | 1 |
| Acadia Pharmaceuticals Inc | $16.05 | 1 |
What the 2025 payments were for
- Food and Beverage$181.16 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Psychiatry & Neurology, Neurology providers in Los Alamitos
- 1811023443
- 1184678583
- 1881631539
- 1699705772
- 1013959097
- 1326083858
All Psychiatry & Neurology, Neurology providers in California →