NPPES file of Aug 9, 2026

Niki N. Nguyen, OD

Optometrist · San Antonio, TX

Niki N. Nguyen, OD is an optometrist with a practice address in San Antonio, Texas, and NPI 1205677648, issued on May 31, 2024. Check the license (Texas 11186, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205677648
Name
Niki N. Nguyen
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
11186 TX
Self-reported in NPPES; status is on the state search
Practice location
18586 Sigma RD, San Antonio, TX 78258
Phone
(210) 490-6759
Enumerated
May 31, 2024
Record last updated
Aug 5, 2026
Medicare enrollment
Enrolled (PECOS I20240930003376); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest optometrist records → All 5,006 in Texas → Look up another NPI →

Also registered at 18586 Sigma RD

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

  1. Vasudha Panday, M.D.Ophthalmology Physician1982660130
  2. Jana Waters, MDOphthalmology Physician1932638715
  3. Allison Young, M.D.Ophthalmology Physician1750501029

Verify Niki N. Nguyen 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 11186    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.

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Bills Medicare through one group practice

  1. Dennington CollabFair Oaks Ranch, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Niki N. Nguyen among 5,006 optometrist records in Texas

Niki N. Nguyen, OD 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 2024, is newer than 92% of them.

  • NPI issued2024 · 92% of these records are older, 5% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2023 · median 2010 among the 2,894 with a school on file
  • Record last updated2026 · 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).

Optometrist providers in Texas

There are 5,006 optometrist records in Texas.

All 5,006 in Texas → Every provider in San Antonio → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Monica Allison, ODSan Antonio, TX 782581396884201
  2. Joselyn Alumkal, O.D.San Antonio, TX 782581881633899
  3. Edward Bustamante, O.D.,M.B.ASan Antonio, TX 782581427165497
  4. Renee Dunlap, O.D.San Antonio, TX 782581558301283
  5. Kara Farmer, O.D.San Antonio, TX 782581871839001
  6. Diana Gonzalez, O.D.San Antonio, TX 782581558398420
  7. Diem Herscovici, O.D.San Antonio, TX 782581194088252
  8. Bridget Leesang, O.D.San Antonio, TX 782581902886898

Common questions

What is Niki N. Nguyen, OD's NPI number?

Niki N. Nguyen, OD's National Provider Identifier (NPI) is 1205677648, issued on May 31, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Niki N. Nguyen, OD located?

The NPPES record lists a practice address at 18586 Sigma RD, San Antonio, TX, 78258. Phone: (210) 490-6759. Providers update this record themselves, so call before visiting.

How can I verify Niki N. Nguyen, OD's license?

NPPES lists Texas license number 11186, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.