Registry data as of Aug 27, 2026

Dorothy Chou, OD

Optometrist · Katy, TX

Dorothy Chou, OD is an optometrist with a practice address in Katy, Texas, and NPI 1033631478, issued on Jul 7, 2017. Check the license (Texas 9285TG, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1033631478
Name
Dorothy Chou
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License numbers
9285TG TX
9285 TX
Self-reported in NPPES; status is on the state search
Practice location
21502 Merchants Way, Katy, TX 77449
Phone
(281) 579-6777
Enumerated
Jul 7, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 21502 Merchants Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kimberly Bertrand, O.D.Optometrist1497873038
  2. Preston Davis, O.D.Optometrist1467804641
  3. Erin Doe, MDGlaucoma Specialist (Ophthalmology) Physician1477528578
  4. Meredith Horacek, MDOphthalmology Physician1902433378
  5. Manvi Madhok, ODOptometrist1174028922
  6. Donna Talluto, M.D.Glaucoma Specialist (Ophthalmology) Physician1154412070

Verify Dorothy Chou in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 9285TG
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

56% more Medicare Part D claims than the average optometrist in 2024

436 Medicare Part D claims for 190 beneficiaries, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.

  1. Dorothy Chou436
  2. Specialty average279

Most prescribed

  1. Latanoprost171 claims
  2. Timolol Maleate42 claims
  3. Restasis32 claims
  4. Prednisolone Acetate30 claims
  5. Lumigan29 claims
  6. Neomycin-Polymyxin-Dexameth22 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's Medicare quality score for 2023: 83.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score90.5
  2. Costout of 100 · 30%63.1
  3. Promoting interoperabilityout of 100 · 25%
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $120.21

6 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 33,561 providers of this specialty with any payment received $749.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dorothy Chou$120.21
  2. Specialty average$749.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Berkeley Eye Institute, PLLCHouston, TX

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

82 optometrist records list a Katy practice address

They are 82 of the 5,078 NPPES records with a Katy practice address, and 4,878 optometrist records in Texas.

Other optometrist records in Texas

  1. Matthew Aaker, O.D.Universal City, TX1518394410
  2. Brad Aaron, O.D.New Boston, TX1073588810
  3. Michelle Aaron, O.D.San Antonio, TX1306916291
  4. Gary Abbott, ODRandolph Afb, TX1194880385
  5. Fortuna Abebe, ODHouston, TX1073185278
  6. Larry Abernathy, O. D.Abilene, TX1861539363
  7. Rayan Abilmouna, O.D.Houston, TX1275971145
  8. Omar Aborahma, ODCarrollton, TX1376479311
  9. Aby Abraham, O.D.Quinlan, TX1770776338
  10. Erin Abraham, ODDallas, TX1598440505

Common questions

What is Dorothy Chou, OD's NPI number?

Dorothy Chou, OD's National Provider Identifier (NPI) is 1033631478, issued on Jul 7, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Dorothy Chou, OD located?

The NPPES record lists a practice address at 21502 Merchants Way, Katy, TX, 77449. Phone: (281) 579-6777. Providers update this record themselves, so call before visiting.

How can I verify Dorothy Chou, OD's license?

NPPES lists Texas license number 9285TG, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Dorothy Chou, OD prescribe under Medicare Part D?

In 2024, Dorothy Chou, OD had 436 Medicare Part D claims for 190 beneficiaries; the average among optometrist prescribers was 279. Part D covers Medicare prescriptions only.

What is Dorothy Chou, OD's Medicare quality score?

The 2023 MIPS final score is 83.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.