Quick answers
- Where does Herman Mathias see patients?
- Medicare's clinician data lists 3 practice locations, including Perris, CA, Hemet, CA and Banning, CA. Call before your visit to confirm the address.
- What is Herman Mathias's specialty?
- Medicare lists Geriatric Medicine as the primary specialty.
- Does Herman Mathias accept Medicare assignment?
- Yes. Medicare's clinician data says Herman Mathias 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 Herman Mathias?
- (951) 490-4910, as listed in official Medicare / NPI Registry data.
- What is Herman Mathias's NPI number?
- 1487767265. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Herman Mathias is enrolled with Medicare (CMS data updated 2026-10-02).
- 126 Avocado Ave, Suite 102Perris, CA 92571 (951) 490‑4910
- 391 N San Jacinto StHemet, CA 92543 (951) 929‑6003
- 6350 W Ramsey St, Suite QBanning, CA 92220 (951) 490‑4910
Group practices
Medicare enrollment lists Herman Mathias as a member of these groups (CMS data updated 2026-10-02).
- Mathias Primary Care Associates, Inc3 clinicians in the group
- Rapid Care Enterprises, Inc.2 clinicians in the group
Specialties
- Geriatric Medicineprimary
Other geriatricians in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1978 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1487767265 |
| 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
- 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