Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Ophthalmology

Carson C. Petrash, MD

Sees patients in San Antonio, TX · New Braunfels, TX · Texas

Summary

Carson C. Petrash, MD (Ophthalmology) is enrolled with Medicare at 2 practice locations in San Antonio, TX and New Braunfels, TX. NPI 1194221648. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Carson C. Petrash, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
University Of Texas Medical School At San AntonioMedical school
MaleGender (as listed)
Retina Consultants of Houston PLLCGroup practice

Quick answers

Where does Carson C. Petrash see patients?
Medicare's clinician data lists 2 practice locations, including San Antonio, TX and New Braunfels, TX. Call before your visit to confirm the address.
What is Carson C. Petrash's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Carson C. Petrash accept Medicare assignment?
Yes. Medicare's clinician data says Carson C. Petrash accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Carson C. Petrash?
(800) 833-5921, as listed in official Medicare / NPI Registry data.
What is Carson C. Petrash's NPI number?
1194221648. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Carson C. Petrash is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Carson C. Petrash as a member of this group (CMS data updated 2026-10-02).

  • Retina Consultants of Houston PLLC25 clinicians in the group

Specialties

Find other Ophthalmology doctors in Texas →

Other ophthalmologists in San Antonio

Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.

All ophthalmologists in San Antonio →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At San Antonio
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194221648
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians