John Gerald Donnelly, M.D.
Psychiatry & Neurology, Psychiatry (M.D.) in Oceanside, California, trained at Creighton University School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $835,737 for 3,708 claims, against $11,299 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 7 companies reporting payments in 2025, $395.96 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 | 1760566160 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 24, 2006 |
| Last updated in NPPES | Feb 25, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | A48716 | 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 | John Patrick Donnelly · Nurse/Nurses Aide | 1128b4 | Mar 20, 2000 | Vaughn, CA |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | Possible (name) | See above |
| 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 - Psychiatry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 61 |
|---|---|
| Services billed | 267 across 5 procedure codes |
| Paid by Medicare | $11,299 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,708 · 4,351 30-day fills |
|---|---|
| Patients | 140 |
| Total drug cost | $835,737 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Creighton University School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Psychiatry |
Medical group
- Mental Health Systems IncOceanside, CA · 34 clinicians
Industry payments (Open Payments)
- 2025$395.96 · 17 payments from 7 companies
- 2024$689.81 · 28 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $158.04 | 6 |
| Vanda Pharmaceuticals Inc. | $84.89 | 3 |
| Abbvie Inc. | $65.33 | 3 |
| Alkermes, Inc. | $37.81 | 2 |
| Teva Pharmaceuticals USA, Inc. | $17.14 | 1 |
What the 2025 payments were for
- Food and Beverage$395.96 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 psychiatrists in Oceanside · All psychiatrists in California