Michael S. Hepfer, MD
NPI 1578578266ActiveIndividual· Radiology, Diagnostic Radiology· Northridge, CA
Radiology, Diagnostic Radiology (MD) in Northridge, California, trained at Tulane University School of Medicine (class of 1999). 1,622 Medicare patients in 2024, $93,928 paid; all of their 59 Part D prescriptions were generic. Stryker Corporation was the largest of 3 companies reporting payments in 2025, $431.07 in all, mostly food and beverage.
Overview
| NPI | 1578578266 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 30, 2006 |
| Last updated in NPPES | Feb 19, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | A86432 | CA |
| Internal Medicine | 207R00000X | A86432 | CA |
| Pediatrics | 208000000X | A86432 | 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 - Pediatric Medicine (CA); Practitioner - Diagnostic Radiology (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,622 |
|---|---|
| Services billed | 2,521 across 180 procedure codes |
| Paid by Medicare | $93,928 |
Part D prescriptions in 2024
| Prescriptions (claims) | 59 · 59 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $251.00 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Golden State Imaging Associates IncMedford, OR · 239 clinicians
- Renaissance Imaging Medical Associates IncMedford, OR · 124 clinicians
- Mountain Communities Healthcare DistrictWeaverville, CA · 29 clinicians
- Kc Tan MD Medical CorporationAlhambra, CA · 24 clinicians
Hospital affiliations
- Garfield Medical CenterMonterey Park, CA
- Los Angeles Community HospitalLos Angeles, CA
- Northridge Hospital Medical CenterNorthridge, CA
- Southern California Hospital at HollywoodHollywood, CA
- Ventura County Medical CenterVentura, CA
Industry payments (Open Payments)
- 2025$431.07 · 13 payments from 3 companies
- 2024$423.28 · 12 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $205.28 | 9 |
| Penumbra, Inc. | $204.87 | 3 |
| Inari Medical, Inc. | $20.92 | 1 |
What the 2025 payments were for
- Food and Beverage$431.07 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Radiology, Diagnostic Radiology providers in Northridge
- 1730525353
- 1487608931
- 1255692935
- 1831486539
- 1801213806
- 1700229994
- 1104985845
- 1295093375
- 1578759395
- 1659394864
- 1760640742
- 1710243209
All Radiology, Diagnostic Radiology providers in California →