Quick answers
- Which hospitals does Michael S. Hepfer work at?
- Medicare's official clinician data lists Michael S. Hepfer at 5 hospitals: Garfield Medical Center, Los Angeles Community Hospital, Northridge Hospital Medical Center, Southern California Hospital at Hollywood and Ventura County Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael S. Hepfer see patients?
- Medicare's clinician data lists 5 practice locations, including Honolulu, HI, Northridge, CA and Wailuku, HI. Call before your visit to confirm the address.
- What is Michael S. Hepfer's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Michael S. Hepfer accept Medicare assignment?
- Yes. Medicare's clinician data says Michael S. Hepfer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Michael S. Hepfer?
- (818) 435-1433, as listed in official Medicare / NPI Registry data.
- What is Michael S. Hepfer's NPI number?
- 1578578266. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael S. Hepfer works
Medicare's Facility Affiliation Data lists Michael S. Hepfer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Garfield Medical CenterMonterey Park, CA · Acute Care Hospital · CCN 050737
- Los Angeles Community HospitalLos Angeles, CA · Acute Care Hospital · CCN 050663
- Northridge Hospital Medical CenterNorthridge, CA · Acute Care Hospital · CCN 050116
- Southern California Hospital at HollywoodHollywood, CA · Acute Care Hospital · CCN 050135
- Ventura County Medical CenterVentura, CA · Acute Care Hospital · CCN 050159
Practice locations
Addresses where Michael S. Hepfer is enrolled with Medicare (CMS data updated 2026-10-02).
- 149 Kawika PlHonolulu, HI 96822 (818) 435‑1433
- 18436 Roscoe BlvdNorthridge, CA 91325 (818) 435‑1433
- 221 Mahalani StWailuku, HI 96793 (818) 639‑2901
- 528 Andorra LnVentura, CA 93003 (818) 639‑2901
- 60 Easter AveWeaverville, CA 96093 (530) 623‑5541
Group practices
Medicare enrollment lists Michael S. Hepfer as a member of these groups (CMS data updated 2026-10-02).
- Golden State Imaging Associates Inc239 clinicians in the group
- Renaissance Imaging Medical Associates Inc124 clinicians in the group
- Mountain Communities Healthcare District29 clinicians in the group
- KC Tan MD Medical Corporation24 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Honolulu
Clinicians with the same Medicare primary specialty in Honolulu, HI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tulane University School Of Medicine |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578578266 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians