Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John K Nguyen, OD

Individual provider Optometrist · NPI 1154589067

Dr. John K Nguyen, OD is an Optometry in San Antonio, Texas. Graduated from University of Houston - College of Optometry in 2005, 21 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
21
Trained at
University of Houston - College of Optometry
Licensed in
TX
In the registry since
2008
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

5619 W Loop 1604 N Ste 114
San Antonio, TX 78253-5795
Phone: (210) 492-4188
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence TX6758 (TX)

Record details

NPI number1154589067
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedMay 28, 2008
Last updated in NPPESJune 4, 2009

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY OF HOUSTON - COLLEGE OF OPTOMETRY
Graduated 2005 (21 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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