Christopher Paul Irwin, MD

Internal medicine physician in San Antonio, Texas · NPI 1033506191

Christopher Irwin is one of 622 internal medicine physicians practicing in San Antonio, Texas. Christopher Irwin practices with Hospital Medicine Services Of TX, PLLC.

Registry record (NPPES)

NPI
1033506191
Type
Type 1 · Individual
Primary taxonomy
Internal Medicine · 207R00000X
Address on file
3551 Roger Brooke Dr
Fort Sam Houston, TX 78234-4504
(916) 210-2338
Enumerated
Apr 16, 2015
Record last updated
Oct 27, 2026
License states listed
NE, TX, WV

Medicare (CMS)

Enrollment
Medicare-enrolled in TX, WV
Hospitalist, Internal Medicine
Revalidation due
No date set by CMS

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Practice locations

More internal medicine physicians 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.