DUNCAN A. FRIEDMAN M.D. – NPI #1457512725
Ophthalmology

An ophthalmologist who specializes in the diagnosis and treatment of vitreoretinal diseases.

DUNCAN FRIEDMAN is an ophthalmologist located in SAN ANTONIO, TX. NPPES has assigned the NPI number 1457512725 to DUNCAN FRIEDMAN on June 19, 2008. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207WX0107X from the Health Care Provider Taxonomy code set, which is classified as Ophthalmology, specializing in Retina Specialist

The NPI profile was last updated on May 01, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for DUNCAN FRIEDMAN below.

NPI Profile for
DUNCAN A. FRIEDMAN

NPI Number
1457512725
Enumeration Date

(about 18 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
DUNCAN A. FRIEDMAN
Credentials
M.D.
Primary location
622 ISOM RD
SAN ANTONIO, TX 78216-4464
Phone: (210) 880-3000 Fax: (210) 227-6056
1 Other location(s):
931 E Main St
Uvalde, TX 78801-4855
Phone: (210) 880-3000
Fax: (210) 227-6056
Mailing address
Same as primary location
Sole Proprietor
No
Updated
Certification Date
May 01, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207WX0107X
- Ophthalmology / Retina Specialist (Primary)
TX P5275
207W00000X
- Ophthalmology
TX P5275

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Endpoint

Health Information Exchange (HEI)

HEI is the mobilization of health care information electronically across organizations within a region, community or hospital system. Endpoints provide a simple and secure way for participants to send authenticated, encrypted health information directly to known, trusted recipients over the internet such as primary care physicians, specialists, hospitals, labs, etc.

Endpoint
[email protected]
Endpoint type
Direct Messaging Address
Endpoint Description
DR. FRIEDMAN EMR EMAIL
Content Type
Affiliation
N
Endpoint Location
1100 N MAIN AVE,
SAN ANTONIO, TX 77025-1669

Additional Information

Education
LOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS - Graduated 2007
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
DUNCAN FRIEDMAN is affiliated with the following medical group(s):
  • HOSPITAL
    • BAPTIST MEDICAL CENTER
      111 DALLAS STREET
      SAN ANTONIO, TX 78205

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How do I correct or change the NPI data displayed here?
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Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.