John W. Allen, M.D.
NPI 1659382588ActiveIndividual· Psychiatry & Neurology, Psychiatry· El Cajon, CA
Psychiatry & Neurology, Psychiatry (M.D.) in El Cajon, California, trained at Baylor College of Medicine (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $3,118,219 for 7,092 claims, against $88,034 paid for services in 2024. Alkermes, Inc. was the largest of 4 companies reporting payments in 2025, $984.87 in all, mostly food and beverage.
Overview
| NPI | 1659382588 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 9, 2006 |
| Last updated in NPPES | May 24, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | C37706 | 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 - Psychiatry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 105 |
|---|---|
| Services billed | 1,498 across 15 procedure codes |
| Paid by Medicare | $88,034 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,092 · 7,769 30-day fills |
|---|---|
| Patients | 148 |
| Total drug cost | $3,118,219 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Psychiatry |
Industry payments (Open Payments)
- 2025$984.87 · 8 payments from 4 companies
- 2024$2,837 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alkermes, Inc. | $487.80 | 4 |
| Janssen Scientific Affairs, LLC | $237.89 | 2 |
| Neurocrine Biosciences, Inc. | $137.89 | 1 |
| E.R. Squibb & Sons, L.L.C. | $121.29 | 1 |
What the 2025 payments were for
- Food and Beverage$984.87 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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