William Walton, M.D.
NPI 1134235500 · Ophthalmology Physician · Live Oak, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Walton, M.D. is a Ophthalmology Physician provider in Live Oak, TX (NPI 1134235500).
Provider details
- NPI number
- 1134235500
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- H3769 (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
19 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
4,301 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 | 1,572 | $124 |
| Imaging of Retina92134 | 560 | $40 |
| Established Patient Problem Focused Exam of Visual System92012 | 492 | $88 |
| Imaging of Optic Nerve92133 | 427 | $35 |
| Exam of Visual Field With Extended Testing92083 | 414 | $63 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 204 | $23 |
| New Patient Complete Exam of Visual System92004 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,060 | 313 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 457 | 140 |
| Brimonidine Tartrate | 270 | 82 |
| Prednisolone Acetate | 235 | 190 |
| Moxifloxacin Hclbrand: Moxifloxacin | 228 | 181 |
| Timolol Maleate | 179 | 57 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 139 | 117 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$385 across 11 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
- 2006-08-21
- Last updated
- 2007-07-16
Frequently asked questions
- What is William Walton's NPI number?
- William Walton's National Provider Identifier (NPI) is 1134235500, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Walton's specialty?
- William Walton is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is William Walton located?
- William Walton's practice location on file with NPPES is 11601 Toepperwein Rd, Live Oak, TX 78233-3147.
- What is William Walton's phone number?
- The practice phone number listed in the NPPES registry for William Walton is (210) 946-2020.
- Does William Walton accept Medicare?
- William Walton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Walton's NPI active?
- Yes — William Walton's NPI (1134235500) is active in the NPPES registry as of the last update on 2007-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.