Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. John Brandon Guillory, OD

Individual provider Optometrist · NPI 1508153990

Dr. John Brandon Guillory, OD is an Optometry in Brenham, Texas. Graduated from University of Houston - College of Optometry in 2011, 15 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
15
Trained at
University of Houston - College of Optometry
Licensed in
TX
In the registry since
2011
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

2654 Highway 36 S
Brenham, TX 77833-9600
Phone: (979) 836-1077
Fax: (979) 830-1573
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 7744 (TX)

Record details

NPI number1508153990
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedJuly 6, 2011
Last updated in NPPESMarch 23, 2026
Certification dateMarch 23, 2026

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY OF HOUSTON - COLLEGE OF OPTOMETRY
Graduated 2011 (15 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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