Quick answers
- Which hospitals does Berthold Halter work at?
- Medicare's official clinician data lists Berthold Halter at 1 hospital: Kaiser Foundation Hospital Fontana/Ontario. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Berthold Halter see patients?
- Medicare's clinician data lists 3 practice locations, including Foothill Ranch, CA, Anaheim, CA and Fontana, CA. Call before your visit to confirm the address.
- What is Berthold Halter's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Berthold Halter accept Medicare assignment?
- Yes. Medicare's clinician data says Berthold Halter 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 Berthold Halter?
- (949) 297-3888, as listed in official Medicare / NPI Registry data.
- What is Berthold Halter's NPI number?
- 1952636524. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Berthold Halter works
Medicare's Facility Affiliation Data lists Berthold Halter at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kaiser Foundation Hospital Fontana/OntarioFontana, CA · Acute Care Hospital · CCN 050140
Practice locations
Addresses where Berthold Halter is enrolled with Medicare (CMS data updated 2026-10-02).
- 26781 Portola Pkwy, Suite 4eFoothill Ranch, CA 92610 (949) 297‑3888
- 631 S Brookhurst St, Suite 101Anaheim, CA 92804 (714) 991‑5700
- 9961 Sierra AveFontana, CA 92335 (909) 427‑5000
Group practices
Medicare enrollment lists Berthold Halter as a member of these groups (CMS data updated 2026-10-02).
- Southern California Permanente Medical Group11,293 clinicians in the group
- Oc Urgentcare Medical Group Incorporated30 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Graduation year | 1995 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952636524 |
| 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