Dorothy Chou, OD
NPI 1033631478 · Optometrist · Katy, TX
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dorothy Chou, OD is a Optometrist provider in Katy, TX (NPI 1033631478).
Provider details
- NPI number
- 1033631478
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- No
- License
- 9285 (TX)
Specialties & taxonomies
Eye and Vision Services Providers
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
8 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
480 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 | 179 | $126 |
| Established Patient Problem Focused Exam of Visual System92012 | 71 | $86 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 67 | $92 |
| New Patient Complete Exam of Visual System92004 | 51 | $149 |
| Exam of Visual Field With Extended Testing92083 | 41 | $63 |
| Imaging of Optic Nerve92133 | 36 | $34 |
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 | 171 | 58 |
| Timolol Maleate | 42 | 14 |
| Cyclosporinebrand: Restasis | 32 | 16 |
| Prednisolone Acetate | 30 | 27 |
| Bimatoprostbrand: Lumigan | 29 | — |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 22 | 19 |
| Erythromycin Basebrand: Erythromycin | 14 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$120 across 6 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
- 2017-07-07
- Last updated
- 2023-11-27
- Certified
- 2020-10-14
Frequently asked questions
- What is Dorothy Chou's NPI number?
- Dorothy Chou's National Provider Identifier (NPI) is 1033631478, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dorothy Chou's specialty?
- Dorothy Chou is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Dorothy Chou located?
- Dorothy Chou's practice location on file with NPPES is 21502 Merchants Way, Katy, TX 77449.
- What is Dorothy Chou's phone number?
- The practice phone number listed in the NPPES registry for Dorothy Chou is (281) 579-6777.
- Does Dorothy Chou accept Medicare?
- Dorothy Chou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dorothy Chou's NPI active?
- Yes — Dorothy Chou's NPI (1033631478) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.