Robert T. McMahon, MD
Ophthalmology Physician · Victoria, TX
Robert T. McMahon, MD is an ophthalmology physician with a practice address in Victoria, Texas, and NPI 1750362422, issued on Nov 9, 2005. Check the license (Texas F2350, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert T. McMahon
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- F2350 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4406 N Laurent, Victoria, TX 77901
- Phone
- (361) 578-0107
- Enumerated
- Nov 9, 2005
- Record last updated
- Aug 26, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (361) 578-1320
- Medicaid ID
- 089611003 TX
- Medicare enrollment
- Enrolled (PECOS I20100622000170); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 1969
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,514 in Texas → Look up another NPI →
Also registered at 4406 N Laurent
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John McCollough, ODOptometrist1184606535
Verify Robert T. McMahon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license F2350Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average ophthalmology physician in 2024
3,653 Medicare Part D claims for 802 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Latanoprost1,145 claims
- Prednisolone Acetate313 claims
- Dorzolamide Hcl294 claims
- Brimonidine Tartrate279 claims
- Neomycin-Polymyxin-Dexameth248 claims
- Tobramycin225 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 MIPS final score for 2023 (Medicare payment program): 93.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $757.68
4 payments; by number, the most common kind was food and beverage; the largest payer was Optos, 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
- South Texas Eye AssociatesVictoria, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert T. McMahon among 1,514 ophthalmology physician records in Texas
Robert T. McMahon, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 78% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1969 · median 2003 among the 1,052 with a school on file
- Record last updated2008 · 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 Victoria → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Robert Gilliam, M.D.Victoria, TX 779011730122383
- George Boozalis, M.D.Victoria, TX 779041972572840
- Daniel Bustos, M.D.Victoria, TX 779041568687812
- Peter Lam, MDVictoria, TX 779041346624111
- Kathryn Hodges, MDCollege Station, TX 778451972585933
- Brandon Posvar, MDCollege Station, TX 778451891995395
- Misty Ruppert, MDCollege Station, TX 778451104440833
- Peter Amaral, M.D.Brenham, TX 778331245233055
Common questions
What is Robert T. McMahon, MD's NPI number?
Robert T. McMahon, MD's National Provider Identifier (NPI) is 1750362422, issued on Nov 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert T. McMahon, MD located?
The NPPES record lists a practice address at 4406 N Laurent, Victoria, TX, 77901. Phone: (361) 578-0107. Providers update this record themselves, so call before visiting.
How can I verify Robert T. McMahon, MD's license?
NPPES lists Texas license number F2350, 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 Robert T. McMahon, MD prescribe under Medicare Part D?
In 2024, Robert T. McMahon, MD had 3,653 Medicare Part D claims for 802 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Robert T. McMahon, MD's MIPS final score?
The 2023 MIPS final score is 93.7 of 100. 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.