Quick answers
- Where does Calvin E. Mein see patients?
- Medicare's clinician data lists 2 practice locations, including San Antonio, TX. Call before your visit to confirm the address.
- What is Calvin E. Mein's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Calvin E. Mein accept Medicare assignment?
- Yes. Medicare's clinician data says Calvin E. Mein 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 Calvin E. Mein?
- (800) 833-5921, as listed in official Medicare / NPI Registry data.
- What is Calvin E. Mein's NPI number?
- 1164487617. 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 Calvin E. Mein is enrolled with Medicare (CMS data updated 2026-10-02).
- 1314 E Sonterra Blvd, 2104 Retina Consultants of TexasSan Antonio, TX 78258 (800) 833‑5921
- 21 Spurs LnSan Antonio, TX 78240 (800) 833‑5921
Group practices
Medicare enrollment lists Calvin E. Mein as a member of this group (CMS data updated 2026-10-02).
- Retina Consultants of Houston PLLC25 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 1975 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164487617 |
| 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