Gregory Brunin, M.D.
NPI 1043579733 · Ophthalmology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Brunin, M.D. is a Ophthalmology Physician provider in San Antonio, TX (NPI 1043579733).
Provider details
- NPI number
- 1043579733
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- DR.0056570 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
4,896 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 1,294 | $121 |
| Established Patient Problem Focused Exam of Visual System92012 | 644 | $86 |
| Imaging of Retina92134 | 610 | $39 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 270 | $38 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 236 | $124 |
| Imaging of Optic Nerve92133 | 214 | $33 |
| Exam of Visual Field With Extended Testing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 777 | 497 |
| Latanoprost | 663 | 207 |
| Moxifloxacin Hclbrand: Moxifloxacin | 529 | 291 |
| Ketorolac Tromethamine | 430 | 266 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 162 | 49 |
| Fluorometholone | 133 | 60 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 128 | 91 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$651 across 21 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 8300 Floyd Curl DrSan Antonio, TX 78229-3931Phone: (210) 450-9400Fax: (210) 450-6024
Registry dates
- Enumerated
- 2012-05-15
- Last updated
- 2022-07-21
Frequently asked questions
- What is Gregory Brunin's NPI number?
- Gregory Brunin's National Provider Identifier (NPI) is 1043579733, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Brunin's specialty?
- Gregory Brunin is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Brunin located?
- Gregory Brunin's practice location on file with NPPES is 5430 Fredericksburg Rd Ste 100, San Antonio, TX 78229-3539.
- What is Gregory Brunin's phone number?
- The practice phone number listed in the NPPES registry for Gregory Brunin is (210) 340-1212.
- Does Gregory Brunin accept Medicare?
- Gregory Brunin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Brunin's NPI active?
- Yes — Gregory Brunin's NPI (1043579733) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.