Gregory Brunin, M.D.
Ophthalmology Physician · San Antonio, TX
Gregory Brunin, M.D. is an ophthalmology physician with a practice address in San Antonio, Texas, and NPI 1043579733, issued on May 15, 2012. Check the license (Texas R2066, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Brunin
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- R2066 TX
DR.0056570 CO
Self-reported in NPPES; status is on the state search - Practice location
- 5430 Fredericksburg RD Ste 100, San Antonio, TX 78229
- Phone
- (210) 340-1212
- Enumerated
- May 15, 2012
- Record last updated
- Jul 31, 2026
- Medicaid ID
- 372130002 TX
- Medicare enrollment
- Enrolled (PECOS I20170626001839); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,514 in Texas → Look up another NPI →
Also registered at 5430 Fredericksburg RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- William Flynn, M.D., O.D.Ophthalmology Physician1700864089
- Megan Gauntt, NNPNeonatal Nurse Practitioner1053758862
- Melanie Gonzalez-Oliva, O.D.Optometrist1871725036
- Anhtuan Nguyen, MDOphthalmology Physician1821403510
Verify Gregory Brunin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R2066Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average ophthalmology physician in 2024
3,495 Medicare Part D claims for 971 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Prednisolone Acetate777 claims
- Latanoprost663 claims
- Moxifloxacin529 claims
- Ketorolac Tromethamine430 claims
- Dorzolamide-Timolol162 claims
- Fluorometholone133 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 99.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $650.93
21 payments; by number, the most common kind was food and beverage; the largest payer was RxSight Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Rashid And Rice Eye Associates, P.L.L.C.San Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Brunin among 1,514 ophthalmology physician records in Texas
Gregory Brunin, M.D. is one of 1,514 ophthalmology physician records with a practice address in Texas. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 73% of them.
- NPI issued2012 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2012 · median 2003 among the 1,052 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Texas
There are 1,514 ophthalmology physician records in Texas.
All 1,514 in Texas → Every provider in San Antonio → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Alan Baribeau, M.D.San Antonio, TX 782291952301384
- Janis Croley, M.D.San Antonio, TX 782291871565150
- Timithy Dunham, M.D.San Antonio, TX 782291477569424
- William Flynn, M.D., O.D.San Antonio, TX 782291700864089
- Judianne Kellaway, MDSan Antonio, TX 782291689655755
- James Lehmann, MDSan Antonio, TX 782291861432114
- Sebastian Mora, D.O.San Antonio, TX 782291801885843
- Edward Rashid, M.D.San Antonio, TX 782291922001114
Common questions
What is Gregory Brunin, M.D.'s NPI number?
Gregory Brunin, M.D.'s National Provider Identifier (NPI) is 1043579733, issued on May 15, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Brunin, M.D. located?
The NPPES record lists a practice address at 5430 Fredericksburg RD Ste 100, San Antonio, TX, 78229. Phone: (210) 340-1212. Providers update this record themselves, so call before visiting.
How can I verify Gregory Brunin, M.D.'s license?
NPPES lists Texas license number R2066, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Brunin, M.D. prescribe under Medicare Part D?
In 2024, Gregory Brunin, M.D. had 3,495 Medicare Part D claims for 971 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Gregory Brunin, M.D.'s MIPS final score?
The 2023 MIPS final score is 99.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.