Quick answers
- Where does Gregory K. Eirich see patients?
- Medicare's clinician data lists 2 practice locations, including Tustin, CA. Call before your visit to confirm the address.
- What is Gregory K. Eirich's specialty?
- Medicare lists Podiatry as the primary specialty.
- Does Gregory K. Eirich accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory K. Eirich 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 Gregory K. Eirich?
- (714) 669-1780, as listed in official Medicare / NPI Registry data.
- What is Gregory K. Eirich's NPI number?
- 1245220649. 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 Gregory K. Eirich is enrolled with Medicare (CMS data updated 2026-10-02).
- 661 W 1st St, Suite DTustin, CA 92780 (714) 669‑1780
- 661 W 1st St DTustin, CA 92780
Specialties
- Podiatryprimary
Other podiatrists in Tustin
Clinicians with the same Medicare primary specialty in Tustin, CA — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Medical school | California School Of Podiatric Medicine |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245220649 |
| 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