Thao Thach, M.D.
Glaucoma Specialist (Ophthalmology) Physician · Garland, TX
Thao Thach, M.D. is a glaucoma specialist (ophthalmology) physician with a practice address in Garland, Texas, and NPI 1063403061, issued on Oct 31, 2005. Check the license (Texas L6667, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thao Thach
- Credential
- M.D.
- Primary taxonomy
- Glaucoma Specialist (Ophthalmology) Physician 207WX0009X
- License number
- L6667 TX
Self-reported in NPPES; status is on the state search - Practice location
- 325 N Shiloh RD, Garland, TX 75042
- Phone
- (214) 703-9700
- Enumerated
- Oct 31, 2005
- Record last updated
- Oct 7, 2025
- Fax
- (214) 703-9811
- Medicaid ID
- 165716504 TX
- Medicare enrollment
- Enrolled (PECOS I20040617001488); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1996
- Entity
- Type 1 · individual
8 nearest glaucoma specialist (ophthalmology) physician records → All 30 in Texas → Look up another NPI →
Verify Thao Thach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L6667Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average glaucoma specialist (ophthalmology) physician in 2024
2,891 Medicare Part D claims for 591 beneficiaries, against an average of 3,060 among the 430 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Ketorolac Tromethamine507 claims
- Latanoprost369 claims
- Prednisolone Acetate334 claims
- Ofloxacin269 claims
- Lumigan258 claims
- Rhopressa161 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.
Industry payments in 2024: $783.17
40 payments; by number, the most common kind was food and beverage; the largest payer was Sun Pharmaceutical Industries Inc. The 391 providers of this specialty with any payment received $5,284.60 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Thao T Thach IncGarland, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thao Thach among 30 glaucoma specialist (ophthalmology) physician records in Texas
Thao Thach, M.D. is one of 30 glaucoma specialist (ophthalmology) physician records with a practice address in Texas. 100% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 100% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated1996 · median 2014 among the 24 with a school on file
- Record last updated2025 · 7% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0009X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Glaucoma Specialist (Ophthalmology) Physician providers in Texas
There are 30 glaucoma specialist (ophthalmology) physician records in Texas.
All 30 in Texas → Every provider in Garland → Glaucoma Specialist (Ophthalmology) Physician nationwide →
The 8 glaucoma specialist (ophthalmology) physician records with the nearest ZIP codes
- Rebecca Chen, MDFrisco, TX 750331144754623
- Vishal Patel, MDPlano, TX 750251457845919
- Jay Joseph, M.D.Allen, TX 750131477847028
- Clifford Goodrich, M.D.Dallas, TX 752351154703676
- Shivani Kamat, M.D.Dallas, TX 753901326368549
- Karanjit Kooner, MDDallas, TX 753901295796498
- Mugen Liu, M.D.Dallas, TX 753901255568143
- Logan Vincent, M.D.Tyler, TX 757011760844906
Common questions
What is Thao Thach, M.D.'s NPI number?
Thao Thach, M.D.'s National Provider Identifier (NPI) is 1063403061, issued on Oct 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thao Thach, M.D. located?
The NPPES record lists a practice address at 325 N Shiloh RD, Garland, TX, 75042. Phone: (214) 703-9700. Providers update this record themselves, so call before visiting.
How can I verify Thao Thach, M.D.'s license?
NPPES lists Texas license number L6667, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thao Thach, M.D. prescribe under Medicare Part D?
In 2024, Thao Thach, M.D. had 2,891 Medicare Part D claims for 591 beneficiaries; the average among glaucoma specialist (ophthalmology) physician prescribers was 3,060. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.