ROBERT T MCMAHON (MD) – Ophthalmology Physician, NPI 1750362422
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,544 OPHTHALMOLOGY in TX
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Provider Addresses for ROBERT T MCMAHON (MD)
4406, North Laurent Street, Victoria, Victoria County, Texas, 77901, United States
VICTORIA, TX 779012791
Phone: (361) 578-0107
Fax: (361) 578-1320
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $882.
Total Amount is formed as General ($882) + Research ($0) + Ownership ($0) = $882.
Last reported payment date: 2024-11-19 • Largest payer in this snapshot: Optos, Inc. ($465).
Total Amount
$882
General + Research + Ownership
Payments
5
Total payment records
General Amount
$882
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Optos, Inc. | $465 |
| Bausch & Lomb Americas Inc. | $125 |
| Glaukos Corporation | $125 |
| Tarsus Pharmaceuticals, Inc. | $124 |
| Carl Zeiss Meditec USA, Inc. | $43 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-06-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100622000170 | I | Ophthalmology | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | 1,125 | 907 | $0 |
| 92083 | Exam of visual field with extended testing | 385 | 260 | $0 |
| 92012 | Established patient problem focused exam of visual system | 355 | 226 | $0 |
| 92133 | Imaging of optic nerve | 340 | 241 | $0 |
| 92250 | Photography of the retina | 214 | 210 | $0 |
Insurance plans in this area (ZIP 77901)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | TX | 92012 | Eye and medical examination for diagnosis and treatment, established patient | 575 | 373 |
| OPHTHALMOLOGY | TX | 92083 | Measurement of field of vision during daylight conditions | 448 | 401 |
| OPHTHALMOLOGY | TX | 92134 | Diagnostic imaging of retina | 214 | 201 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | TX | |
| - | TX |
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