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Edit this profileAt a glance
- 21 Spurs Ln, San Antonio, TX 78240
About Dr. Petrash
Carson C. Petrash, MD practices ophthalmology in San Antonio, TX. Carson is a 2018 graduate of University of Texas Medical School at San Antonio. Carson is also listed as specializing in ophthalmology — retina specialist. According to Medicare claims data, Carson cared for 160 Medicare patients across 199 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, imaging of retina, and injection of drug into eye. The provider's National Provider Identifier (NPI) is 1194221648.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (800) 833-5921
- Email not available
Practice Locations
21 SPURS LN
San Antonio, TX 78240
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
199 services · 160 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
36 | Less often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
61 | Less often than most peers in Ophthalmology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
85 | As often as other peers in Ophthalmology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
17 | Less often than most peers in Ophthalmology |
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.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 31 related providers in 4 groups
Other eye doctors in San Antonio 8
Same specialty, same city.
Trained at University of Texas Medical School at San Antonio 8
Other providers in the same specialty who trained at the same institution.
Class of 2018 at University of Texas Medical School at San Antonio 7
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug into eye 8
Providers in TX who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Petrash?
Dr. Petrash 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”.
NPI registry
What is Dr. Petrash's address?
Dr. Petrash is listed at 21 Spurs Ln, San Antonio, TX 78240. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Petrash?
The number on file is (800) 833-5921. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Petrash's NPI number?
Dr. Petrash's National Provider Identifier is 1194221648. 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
Where did Dr. Petrash train?
Dr. Petrash attended University of Texas Medical School at San Antonio, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Petrash been practicing?
Dr. Petrash has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Petrash perform?
According to Medicare billing data, Dr. Petrash performs procedures including injection of drug into eye; provides treatments such as imaging of retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Petrash confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Petrash. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.