Quick answers
- Where does Anton G. Giger see patients?
- Medicare's clinician data lists 1 practice location in San Juan Capistrano, CA. Call before your visit to confirm the address.
- What is Anton G. Giger's specialty?
- Medicare lists Family Practice as the primary specialty, and also Geriatric Medicine.
- Does Anton G. Giger accept Medicare assignment?
- Yes. Medicare's clinician data says Anton G. Giger 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 Anton G. Giger?
- (949) 661-9611, as listed in official Medicare / NPI Registry data.
- What is Anton G. Giger's NPI number?
- 1689764003. 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 Anton G. Giger is enrolled with Medicare (CMS data updated 2026-10-02).
- 31001 Rancho Viejo Rd, Suite 200San Juan Capistrano, CA 92675 (949) 661‑9611
Group practices
Medicare enrollment lists Anton G. Giger as a member of this group (CMS data updated 2026-10-02).
- Memorialcare Medical Foundation566 clinicians in the group
Specialties
- Family Practiceprimary
- Geriatric Medicinealso
Other family doctors in San Juan Capistrano
Clinicians with the same Medicare primary specialty in San Juan Capistrano, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 1977 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689764003 |
| 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