Michael Andrew Tomkins, D.O.
NPI 1386914778ActiveIndividual· Family Medicine· Riverside, CA
Family Medicine (D.O.) with Riverside Medical Clinic Inc and 2 other groups, practicing in Riverside, California. Their prescriptions cost Medicare Part D more than their services did: $156,630 for 2,091 claims, against $9,135 paid for services in 2024. Lists Arrowhead Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1386914778 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jan 3, 2012 |
| Last updated in NPPES | Feb 25, 2020 |
| Certified by provider | Feb 25, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20A12055 | CA |
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 | 59 |
|---|---|
| Services billed | 182 across 15 procedure codes |
| Paid by Medicare | $9,135 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,091 · 3,746 30-day fills |
|---|---|
| Patients | 164 |
| Total drug cost | $156,630 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Family Practice |
Medical groups
- Riverside Medical Clinic IncRiverside, CA · 173 clinicians
- County of San BernardinoOntario, CA · 79 clinicians
- Vituity Physician Services PCRialto, CA · 60 clinicians
Hospital affiliation
- Arrowhead Regional Medical CenterColton, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 330 family medicine physicians in Riverside · All family medicine physicians in California