Gary Ngoc Nguyen, O.D.
Optometrist · Houston, TX
Gary Ngoc Nguyen, O.D. is an optometrist with a practice address in Houston, Texas, and NPI 1356375752, issued on Jul 10, 2006. Check the license (Texas 05813T, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gary Ngoc Nguyen
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 05813T TX
Self-reported in NPPES; status is on the state search - Practice location
- 5601 Washington Ave, Houston, TX 77007
- Phone
- (832) 319-7732
- Enumerated
- Jul 10, 2006
- Record last updated
- Nov 5, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (832) 319-7737
- Medicaid ID
- 1548182-03 TX
- Entity
- Type 1 · individual
8 nearest optometrist records → All 5,006 in Texas → Look up another NPI →
Verify Gary Ngoc Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 05813TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $333.85
11 payments; by number, the most common kind was food and beverage; the largest payer was Johnson & Johnson Vision Care, Inc. The 34,453 providers of this specialty with any payment received $769.99 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.
Gary Ngoc Nguyen among 5,006 optometrist records in Texas
Gary Ngoc Nguyen, O.D. is one of 5,006 optometrist records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 65% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2015 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
770 optometrist records list a practice address in Houston
They are 770 of the 61,221 NPPES records with a practice address in Houston, and 5,006 optometrist records in Texas.
All 5,006 in Texas → Every provider in Houston → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Negin Akbarin, ODHouston, TX 770071831863398
- Melissa Do, O.D.Houston, TX 770071467991539
- Shelby Gross, O.D.Houston, TX 770071134501950
- Dana Howard, O.D.Houston, TX 770071194989764
- Kathy HuaHouston, TX 770071598158792
- Sidney Imperial, ODHouston, TX 770071811223530
- Erin Koetter, ODHouston, TX 770071801404728
- Katrina Mendiola, ODHouston, TX 770071205567328
Common questions
What is Gary Ngoc Nguyen, O.D.'s NPI number?
Gary Ngoc Nguyen, O.D.'s National Provider Identifier (NPI) is 1356375752, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary Ngoc Nguyen, O.D. located?
The NPPES record lists a practice address at 5601 Washington Ave, Houston, TX, 77007. Phone: (832) 319-7732. Providers update this record themselves, so call before visiting.
How can I verify Gary Ngoc Nguyen, O.D.'s license?
NPPES lists Texas license number 05813T, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity 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.