Quick answers
- Where does Gregory A. Stainer see patients?
- Medicare's clinician data lists 3 practice locations, including Poway, CA, Escondido, CA and Chula Vista, CA. Call before your visit to confirm the address.
- What is Gregory A. Stainer's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Gregory A. Stainer accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory A. Stainer 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 A. Stainer?
- (858) 451-8600, as listed in official Medicare / NPI Registry data.
- What is Gregory A. Stainer's NPI number?
- 1295729465. 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 A. Stainer is enrolled with Medicare (CMS data updated 2026-10-02).
- 15706 Pomerado Rd, Suite 103Poway, CA 92064 (858) 451‑8600
- 225 E 2nd Ave, Suite 310Escondido, CA 92025 (760) 738‑9985
- 835 3rd Ave, Suite AChula Vista, CA 91911
Group practices
Medicare enrollment lists Gregory A. Stainer as a member of these groups (CMS data updated 2026-10-02).
- California Retina Associates, LP22 clinicians in the group
- North County Eye Center, Inc.10 clinicians in the group
- North County Eye Physicians, Inc9 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Poway
Clinicians with the same Medicare primary specialty in Poway, CA — not a recommendation.
Clinician information
| Medical school | Northwestern College Of Chiropractic |
|---|---|
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295729465 |
| 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