William Tadlock, O.D.
NPI 1043443849 · Optometrist · Houston, TX
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Tadlock, O.D. is a Optometrist provider in Houston, TX (NPI 1043443849).
Provider details
- NPI number
- 1043443849
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 7358T (TX)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 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
1,689 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 | 393 | $125 |
| Exam of Visual Field With Extended Testing92083 | 148 | $62 |
| Imaging of Retina92134 | 123 | $39 |
| Established Patient Problem Focused Exam of Visual System92012 | 107 | $89 |
| Photography of the Retina92250 | 106 | $35 |
| Imaging of Optic Nerve92133 | 102 | $33 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 415 | 140 |
| Bimatoprostbrand: Lumigan | 111 | 35 |
| Cyclosporinebrand: Restasis | 88 | 37 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 88 | 32 |
| Lifitegrastbrand: Xiidra | 83 | 34 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 58 | 37 |
| Brimonidine Tartrate | 43 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$316 across 10 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
- 2009-08-26
- Last updated
- 2009-08-26
Frequently asked questions
- What is William Tadlock's NPI number?
- William Tadlock's National Provider Identifier (NPI) is 1043443849, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Tadlock's specialty?
- William Tadlock is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is William Tadlock located?
- William Tadlock's practice location on file with NPPES is 6699 Chimney Rock Rd, Houston, TX 77081-5358.
- What is William Tadlock's phone number?
- The practice phone number listed in the NPPES registry for William Tadlock is (713) 661-6500.
- Does William Tadlock accept Medicare?
- William Tadlock is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Tadlock's NPI active?
- Yes — William Tadlock's NPI (1043443849) is active in the NPPES registry as of the last update on 2009-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.