Richard A. Oliva, M.D.
NPI 1952599938ActiveIndividual· Psychiatry & Neurology, Psychiatry· Vista, CA
Psychiatry & Neurology, Psychiatry (M.D.) in Vista, California, trained at University of California, Davis School of Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $56,170 for 299 claims, against $3,111 paid for services in 2024. Gilead Sciences, Inc. was the largest of 9 companies reporting payments in 2025, $294.29 in all, mostly food and beverage.
Overview
| NPI | 1952599938 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 4, 2007 |
| Last updated in NPPES | Jan 22, 2020 |
| Certified by provider | Jan 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | A109221 | CA |
| General Practice | 208D00000X | A109221 | 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 - General Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 20 |
|---|---|
| Services billed | 41 across 5 procedure codes |
| Paid by Medicare | $3,111 |
Part D prescriptions in 2024
| Prescriptions (claims) | 299 · 424 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $56,170 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | General Practice |
Medical groups
- City and County of San FranciscoSan Francisco, CA · 365 clinicians
- Vf Alliance A Medical CorporationVista, CA · 9 clinicians
Hospital affiliation
- Zuckerberg San Francisco General Hosp & Trauma CtrSan Francisco, CA
Industry payments (Open Payments)
- 2025$294.29 · 13 payments from 9 companies
- 2024$15.06 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $83.45 | 3 |
| E.R. Squibb & Sons, L.L.C. | $40.54 | 2 |
| Dexcom, Inc. | $37.34 | 2 |
| Boston Scientific Corporation | $36.41 | 1 |
| Novo Nordisk Inc | $24.02 | 1 |
What the 2025 payments were for
- Food and Beverage$294.29 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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