Ronald Lawrence Leon, M.D.
NPI 1467418830ActiveIndividual· Psychiatry & Neurology, Psychiatry· Antioch, CA
Psychiatry & Neurology, Psychiatry (M.D.) in Antioch, California, trained at University of Wisconsin School of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $3,168,269 for 8,223 claims, against $62,596 paid for services in 2024. Alkermes, Inc. was the largest of 13 companies reporting payments in 2025, $25,563 in all, mostly speaking and faculty fees.
Overview
| NPI | 1467418830 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 25, 2006 |
| Last updated in NPPES | Jan 28, 2021 |
| Certified by provider | Jan 28, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | A40420 | CA |
| Specialist | 174400000X | AO40420 | 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 | 204 |
|---|---|
| Services billed | 793 across 7 procedure codes |
| Paid by Medicare | $62,596 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,223 · 11,436 30-day fills |
|---|---|
| Patients | 410 |
| Total drug cost | $3,168,269 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Contra Costa CountyConcord, CA · 76 clinicians
Hospital affiliation
- Contra Costa Regional Medical CenterMartinez, CA
Industry payments (Open Payments)
- 2025$25,563 · 200 payments from 13 companies
- 2024$17,955 · 158 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alkermes, Inc. | $12,378 | 44 |
| Abbvie Inc. | $10,180 | 31 |
| Neurocrine Biosciences, Inc. | $620.69 | 28 |
| Teva Pharmaceuticals USA, Inc. | $533.37 | 15 |
| E.R. Squibb & Sons, L.L.C. | $408.51 | 16 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$13,010 · 5 payments
- Consulting Fee$6,230 · 2 payments
- Food and Beverage$3,999 · 175 payments
- Travel and Lodging$2,158 · 15 payments
- Education$166.03 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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