DUNCAN A FRIEDMAN MD PA
NPI 1306348032
Ophthalmology - Retina Specialist in San Antonio, TX

Active since March 08, 2018
622 ISOM RD, SAN ANTONIO, TX 78216(210) 880-3000(210) 227-6056 Get Directions Write a Review

NPPES record last updated: May 1, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 1, 2026, Sep 24, 2020, Mar 8, 2018 (3 updates tracked since 2018).

About Duncan A Friedman Md Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DUNCAN A FRIEDMAN MD PA (NPI 1306348032) is a healthcare organization registered as a retina specialist in San Antonio, Texas and active in the NPI registry since March 2018. The organization maintains a secondary practice location in Uvalde and lists Duncan Aesctun Friedman, Administrator, as its authorized official.

NPPES Registry Identity

NPI1306348032
Entity TypeOrganization
Primary Taxonomy207WX0107X
Legal Business NameDUNCAN A FRIEDMAN MD PA
Location Address622 ISOM RDSan Antonio, TX 78216-4464
Mailing Address622 Isom RdSan Antonio, TX 78216-4464 · (210) 880-3000 · Fax (210) 227-6056
Fax(210) 227-6056
Organization SubpartNo
Authorized OfficialDuncan Aesctun FriedmanAdministrator · (210) 880-3000
Enumeration DateMarch 8, 2018
Last NPPES UpdateMay 1, 20263 updates tracked since enumeration
NPPES CertifiedMay 1, 2026
✔ NPI 1306348032 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmology · Retina SpecialistAllopathic & Osteopathic Physicians
Taxonomy Code207WX0107X
License✔ Licensed in TX · P5275
Definition
An ophthalmologist who specializes in the diagnosis and treatment of vitreoretinal diseases.
Also ListedOphthalmologyTaxonomy 207W00000X · License P5275 (TX)
622 ISOM RD, San Antonio, TX 78216

Secondary Practice Location 1

Location 1931 E Main StUvalde, TX 78801-4855 · Phone (210) 880-3000 · Fax (210) 227-6056

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Duncan A Friedman Md Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Duncan A Friedman MD PA, which bills Medicare for the services this clinician delivers.

Clinician (1)

Ophthalmology
NPI 1457512725
622 ISOM RD
San Antonio, TX 78216
(210) 880-3000
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Duncan A Friedman MD PA's NPI number?

The NPI number for Duncan A Friedman MD PA is 1306348032. It was assigned to this organization in the NPPES registry on March 8, 2018.

Where is Duncan A Friedman MD PA located?

Duncan A Friedman MD PA is located at 622 Isom Rd, San Antonio, TX 78216. The listed phone number is (210) 880-3000.

What is Duncan A Friedman MD PA's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Retina Specialist, with taxonomy code 207WX0107X.

Is Duncan A Friedman MD PA enrolled in Medicare?

Yes. Duncan A Friedman MD PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Duncan A Friedman MD PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Ophthalmology) reassigns their Medicare billing to Duncan A Friedman MD PA. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Duncan A Friedman MD PA was last updated on May 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.