Quick answers
- Which hospitals does Frederick Birnberg work at?
- Medicare's official clinician data lists Frederick Birnberg at 5 hospitals: Adventist Health and Rideout, Enloe Health, Hoag Memorial Hospital Presbyterian, Marshall Medical Center and University of California Davis Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Frederick Birnberg see patients?
- Medicare's clinician data lists 2 practice locations, including Merced, CA and Placerville, CA. Call before your visit to confirm the address.
- What is Frederick Birnberg's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Frederick Birnberg accept Medicare assignment?
- Yes. Medicare's clinician data says Frederick Birnberg 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 Frederick Birnberg?
- (209) 384-6528, as listed in official Medicare / NPI Registry data.
- What is Frederick Birnberg's NPI number?
- 1386683084. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Frederick Birnberg works
Medicare's Facility Affiliation Data lists Frederick Birnberg at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health and RideoutMarysville, CA · Acute Care Hospital · CCN 050133
- Enloe HealthChico, CA · Acute Care Hospital · CCN 050039
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · CCN 050224
- Marshall Medical CenterPlacerville, CA · Acute Care Hospital · CCN 050254
- University of California Davis Medical CenterSacramento, CA · Acute Care Hospital · CCN 050599
Practice locations
Addresses where Frederick Birnberg is enrolled with Medicare (CMS data updated 2026-10-02).
- 3850 G StMerced, CA 95340 (209) 384‑6528
- 5860 High Lonesome TrlPlacerville, CA 95667 (317) 614‑9642
Group practices
Medicare enrollment lists Frederick Birnberg as a member of these groups (CMS data updated 2026-10-02).
- Regents of the Univ of Ca1,584 clinicians in the group
- Newport Harbor Radiology Associates Medical Group Inc70 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Merced
Clinicians with the same Medicare primary specialty in Merced, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Davis School Of Medicine |
| Graduation year | 1978 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386683084 |
| 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