Robert Mcmahon, MD
NPI 1750362422 · Ophthalmology Physician · Victoria, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Mcmahon, MD is a Ophthalmology Physician provider in Victoria, TX (NPI 1750362422).
Provider details
- NPI number
- 1750362422
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- F2350 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,599 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 | 1,006 | $123 |
| Established Patient Problem Focused Exam of Visual System92012 | 323 | $87 |
| Exam of Visual Field With Extended Testing92083 | 323 | $61 |
| Imaging of Optic Nerve92133 | 284 | $33 |
| Photography of the Retina92250 | 172 | $36 |
| Imaging of Retina92134 | 161 | $39 |
| Ultrasound Scan to Determine Eye Length and Lens Power76519 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,145 | 338 |
| Prednisolone Acetate | 313 | 185 |
| Dorzolamide Hcl | 294 | 94 |
| Brimonidine Tartrate | 279 | 91 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 248 | 181 |
| Tobramycin | 225 | 151 |
| Ketorolac Tromethamine | 224 | 154 |
| Dorzolamide Hcl/Timolol Maleat |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$758 across 4 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
Registry dates
- Enumerated
- 2005-11-09
- Last updated
- 2008-08-26
Frequently asked questions
- What is Robert Mcmahon's NPI number?
- Robert Mcmahon's National Provider Identifier (NPI) is 1750362422, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Mcmahon's specialty?
- Robert Mcmahon is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Mcmahon located?
- Robert Mcmahon's practice location on file with NPPES is 4406 N Laurent, Victoria, TX 77901-2791.
- What is Robert Mcmahon's phone number?
- The practice phone number listed in the NPPES registry for Robert Mcmahon is (361) 578-0107.
- Does Robert Mcmahon accept Medicare?
- Robert Mcmahon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Mcmahon's NPI active?
- Yes — Robert Mcmahon's NPI (1750362422) is active in the NPPES registry as of the last update on 2008-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.