Mallory Thornton, O.D.
NPI 1013905207 · Optometrist · Houston, TX
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mallory Thornton, O.D. is a Optometrist provider in Houston, TX (NPI 1013905207).
Provider details
- NPI number
- 1013905207
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 5587TG (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
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
716 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 | 249 | $125 |
| Photography of the Retina92250 | 144 | $37 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 121 | $91 |
| Imaging of Optic Nerve92133 | 45 | $34 |
| Imaging of Retina92134 | 44 | $40 |
| Exam of Visual Field With Extended Testing92083 | 42 | $63 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 83 | 26 |
| Bimatoprostbrand: Lumigan | 35 | — |
| Cyclosporinebrand: Restasis | 31 | 19 |
| Brimonidine Tartrate | 26 | — |
| Cyclosporine | 20 | — |
| Loteprednol Etabonate | 16 | — |
| Lifitegrastbrand: Xiidra | 14 | — |
| Dorzolamide Hcl/Timolol Maleat |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$297 across 15 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
- 2005-10-11
- Last updated
- 2010-04-21
Frequently asked questions
- What is Mallory Thornton's NPI number?
- Mallory Thornton's National Provider Identifier (NPI) is 1013905207, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mallory Thornton's specialty?
- Mallory Thornton is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Mallory Thornton located?
- Mallory Thornton's practice location on file with NPPES is 10260 Westheimer Rd, Houston, TX 77042-3110.
- What is Mallory Thornton's phone number?
- The practice phone number listed in the NPPES registry for Mallory Thornton is (713) 781-3517.
- Does Mallory Thornton accept Medicare?
- Mallory Thornton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mallory Thornton's NPI active?
- Yes — Mallory Thornton's NPI (1013905207) is active in the NPPES registry as of the last update on 2010-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.