Michael A Keller, MD

Colorectal surgeon in San Antonio, Texas · NPI 1659572824

Michael Keller is one of 15 colorectal surgeons practicing in San Antonio, Texas. Michael Keller practices with Texas Oncology PA.

Registry record (NPPES)

NPI: 1659572824
Type: Type 1 · Individual
Primary taxonomy: Colon & Rectal Surgery · 208C00000X
Address on file: 5510 Presidio Pkwy Bldg B
San Antonio, TX 78249-3230
(210) 874-3640
Enumerated: May 29, 2007
Record last updated: Sep 2, 2026
License states listed: TX

Medicare (CMS)

Enrollment: Medicare-enrolled in TX
Colorectal Surgery (Proctology)
Revalidation due: No date set by CMS

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Part D prescribing
Procedure volumes by CPT code
Group affiliations and colleagues
Full enrollment history

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Practice locations

11130 Christus Hls Suite 210
San Antonio, TX 78251
(210) 245-2000
7940 Floyd Curl Dr Suite 1010
San Antonio, TX 78229
(210) 614-0880
124 E Bandera Rd Suite 301
Boerne, TX 78006
(830) 249-1429
7848 Gateway Blvd E
El Paso, TX 79915
(915) 599-1313
2026 S Jackson St
Jacksonville, TX 75766
(903) 586-2456

More colorectal surgeons in San Antonio

Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.