Alexander James Geyer, M.D.
NPI 1053775684ActiveIndividual· Family Medicine· Corona, CA
Family Medicine (M.D.) in Corona, California, trained at University of Arizona College of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $757,120 for 7,773 claims, against $88,349 paid for services in 2024. Insmed, Inc. was the largest of 3 companies reporting payments in 2025, $253.16 in all, mostly food and beverage.
Overview
| NPI | 1053775684 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 10, 2016 |
| Last updated in NPPES | Apr 14, 2025 |
| Certified by provider | Apr 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A154572 | 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 | 191 |
|---|---|
| Services billed | 1,354 across 40 procedure codes |
| Paid by Medicare | $88,349 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,773 · 19,355 30-day fills |
|---|---|
| Patients | 678 |
| Total drug cost | $757,120 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Arizona College of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Riverside Medical Clinic IncRiverside, CA · 173 clinicians
Industry payments (Open Payments)
- 2025$253.16 · 13 payments from 3 companies
- 2024$150.54 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Insmed, Inc. | $208.42 | 11 |
| Edwards Lifesciences Corporation | $22.89 | 1 |
| Novo Nordisk Inc | $21.85 | 1 |
What the 2025 payments were for
- Food and Beverage$253.16 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 82 family medicine physicians in Corona · All family medicine physicians in California