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

Dr. William Cannon Lewis, MD

Individual provider Surgery Physician · NPI 1437237369

Dr. William Cannon Lewis, MD is a Colorectal Surgery (Proctology) in San Antonio, Texas. Graduated from Baylor College of Medicine in 1994, 32 years ago. Works from 2 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
32
Trained at
Baylor College of Medicine
Licensed in
TX
In the registry since
2006
Specialties on file
2
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

18707 Hardy Oak Blvd Ste 210
San Antonio, TX 78258-4803
Phone: (210) 593-2500
Fax: (210) 593-2501
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 8042 Wurzbach Rd, San Antonio, TX 78229-3818 — (210) 614-5113

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence K8936 (TX)
Surgery Physician Taxonomy 208600000X · Licence K8936 (TX)

Record details

NPI number1437237369
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESJuly 21, 2022

Medicare enrollment

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

Medicare specialtyCOLORECTAL SURGERY (PROCTOLOGY)
Medical schoolBAYLOR COLLEGE OF MEDICINE
Graduated 1994 (32 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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