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

Duncan Aesctun Friedman, MD

Individual provider Retina Specialist (Ophthalmology) Physician · NPI 1457512725

Duncan Aesctun Friedman, MD is an Ophthalmology in San Antonio, Texas. Graduated from Louisiana State University School of Medicine in New Orleans in 2007, 19 years ago. Works from 2 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
19
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
TX
In the registry since
2008
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

622 Isom Rd
San Antonio, TX 78216-4464
Phone: (210) 880-3000
Fax: (210) 227-6056
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 931 E Main St, Uvalde, TX 78801-4855 — (210) 880-3000

Specialties & licences

Retina Specialist (Ophthalmology) Physician (primary) Taxonomy 207WX0107X · Licence P5275 (TX)
Ophthalmology Physician Taxonomy 207W00000X · Licence P5275 (TX)

Record details

NPI number1457512725
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 19, 2008
Last updated in NPPESMay 1, 2026
Certification dateMay 1, 2026

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 2007 (19 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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