Physician Profile
Duncan A. Friedman, M.D.
Unclaimed ProfileAbout Dr. Friedman
Duncan A. Friedman, M.D. is an ophthalmology — retina specialist based in San Antonio, TX. Duncan is a 2007 graduate of Louisiana State University School of Medicine in New Orleans. Duncan is also listed as specializing in ophthalmology. Medicare claims data shows Duncan provided 9,130 services to 2,299 patients. The services billed most often include injection, faricimab-svoa, 0.1 mg, imaging of retina, and established patient complete exam of visual system.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (210) 880-3000
- Email not available
Practice Locations
622 ISOM RD
San Antonio, TX 78216
931 E Main St
Uvalde, TX 78801
Conditions Commonly Evaluated or Treated
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
9,130 services · 2,299 patients · 19 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
538 | As often as other peers in Ophthalmology — Retina Specialist |
| Repair of detached retina with drainage and removal of eye fluid between lens and retina | Procedure | 67108 |
17 | More often than most peers in Ophthalmology — Retina Specialist |
| Removal of membrane of retina with removal of internal limiting membrane of retina | Procedure | 67042 |
16 | As often as other peers in Ophthalmology — Retina Specialist |
| Photocoagulation treatment to prevent detachment of retina | Procedure | 67145 |
11 | |
| 2d ultrasound scan of eye tissue and structures | Imaging | 76512 |
27 | As often as other peers in Ophthalmology — Retina Specialist |
| Imaging of retina | Treatment | 92134 |
1,311 | As often as other peers in Ophthalmology — Retina Specialist |
| Established patient complete exam of visual system | Treatment | 92014 |
844 | More often than most peers in Ophthalmology — Retina Specialist |
| Extended exam of the back part of the eye with optic nerve drawing | Treatment | 92202 |
594 | More often than most peers in Ophthalmology — Retina Specialist |
| Established patient problem focused exam of visual system | Treatment | 92012 |
174 | As often as other peers in Ophthalmology — Retina Specialist |
| New patient complete exam of visual system | Treatment | 92004 |
162 | More often than most peers in Ophthalmology — Retina Specialist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other eye doctors at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other eye doctors in San Antonio 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Louisiana State University School of Medicine in New Orleans 8
Other providers in the same specialty who trained at the same institution.
Class of 2007 at Louisiana State University School of Medicine in New Orleans 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug into eye 7
Providers in TX who bill this service to Medicare most often.
Common questions
What is Duncan A. Friedman's specialty?
Duncan A. Friedman is an eye doctor in San Antonio, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology — Retina Specialist”.
NPI registry
Where can I find Duncan A. Friedman?
Duncan A. Friedman is listed at 622 Isom Rd, San Antonio, TX 78216. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Duncan A. Friedman?
The number on file is (210) 880-3000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Duncan A. Friedman?
Duncan A. Friedman's National Provider Identifier is 1457512725. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Duncan A. Friedman's education?
Duncan A. Friedman attended Louisiana State University School of Medicine in New Orleans, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Duncan A. Friedman have?
Duncan A. Friedman has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What is Duncan A. Friedman known for?
According to Medicare billing data, Duncan A. Friedman performs procedures including injection of drug into eye, repair of detached retina with drainage and removal of eye fluid between lens and retina and removal of membrane of retina with removal of internal limiting membrane of retina; reads or performs imaging such as 2d ultrasound scan of eye tissue and structures; provides treatments such as imaging of retina and established patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Duncan A. Friedman's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Duncan A. Friedman. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.