Mario Oliver, M.D.
NPI 1124327606ActiveIndividual· Family Medicine· Murrieta, CA
Family Medicine (M.D.) with Graybill Medical Group Inc, practicing in Murrieta, California. Their prescriptions cost Medicare Part D more than their services did: $195,497 for 2,118 claims, against $22,979 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 11 companies reporting payments in 2025, $1,081 in all, mostly food and beverage.
Overview
| NPI | 1124327606 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 23, 2011 |
| Last updated in NPPES | Dec 13, 2024 |
| Certified by provider | Dec 13, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A131266 | CA |
| Family Medicine | 207Q00000X | E-7709 | AR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 99 |
|---|---|
| Services billed | 2,611 across 24 procedure codes |
| Paid by Medicare | $22,979 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,118 · 4,947 30-day fills |
|---|---|
| Patients | 230 |
| Total drug cost | $195,497 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Graybill Medical Group IncOceanside, CA · 104 clinicians
Industry payments (Open Payments)
- 2025$1,081 · 66 payments from 11 companies
- 2024$1,000 · 53 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $234.07 | 21 |
| Novo Nordisk Inc | $223.27 | 16 |
| Glaxosmithkline, LLC. | $129.01 | 5 |
| Lilly USA, LLC | $124.61 | 8 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $99.32 | 6 |
What the 2025 payments were for
- Food and Beverage$1,081 · 66 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 70 family medicine physicians in Murrieta · All family medicine physicians in California