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

Dr. Michael A Keller, MD

Individual provider Colon & Rectal Surgery Physician · NPI 1659572824

Dr. Michael A Keller, MD is a Colorectal Surgery (Proctology) in San Antonio, Texas. Graduated from University of Texas Medical School at Houston in 2005, 21 years ago. Practices with Texas Oncology PA, a 1,005-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
21
Trained at
University of Texas Medical School at Houston
Licensed in
TX
In the registry since
2007
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

7950 Floyd Curl Dr Ste 101 Medical Tower I
San Antonio, TX 78229-3916
Phone: (210) 614-0880
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence N5765 (TX)

Record details

NPI number1659572824
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 29, 2007
Last updated in NPPESMay 10, 2018
Mailing address7950 Floyd Curl Dr Ste 101, Medical Tower I, San Antonio, TX 78229-3916

Medicare enrollment

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

Medicare specialtyCOLORECTAL SURGERY (PROCTOLOGY)
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Graduated 2005 (21 years in practice)
Group practice Texas Oncology Pa — 1005 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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