Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Calvin Einar Mein, MD

Individual provider Retina Specialist (Ophthalmology) Physician · NPI 1164487617

Dr. Calvin Einar Mein, MD is an Ophthalmology in San Antonio, Texas. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 1975, 51 years ago. Practices with Retina Consultants of Houston PLLC, a 26-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
51
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
TX
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

21 Spurs Ln
San Antonio, TX 78240-1669
Phone: (800) 833-5921
Fax: (713) 513-5613
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence F7842 (TX)
Retina Specialist (Ophthalmology) Physician Taxonomy 207WX0107X · Licence F7842 (TX)

Record details

NPI number1164487617
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 18, 2006
Last updated in NPPESJune 12, 2024
Certification dateJune 12, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 1975 (51 years in practice)
Group practice Retina Consultants Of Houston Pllc — 26 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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