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

Dr. John H Winston III, MD

Individual provider Colon & Rectal Surgery Physician · NPI 1356357255

Dr. John H Winston III, MD is a Colorectal Surgery (Proctology) in San Antonio, Texas. Graduated from University of Alabama School of Medicine in 1994, 32 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
32
Trained at
University of Alabama School of Medicine
Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

19288 Stone Oak Pkwy A
San Antonio, TX 78258-3222
Phone: (210) 490-2828
Fax: (210) 490-0505
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence L7927 (TX)

Record details

NPI number1356357255
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 31, 2006
Last updated in NPPESJanuary 13, 2015

Medicare enrollment

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

Medicare specialtyCOLORECTAL SURGERY (PROCTOLOGY)
Medical schoolUNIVERSITY OF ALABAMA SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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