Charles MillerM.D.
Gastroenterology·San Antonio, TX
Charles Miller, M.D. is a Gastroenterology provider in San Antonio, TX affiliated with 2 ambulatory surgery centers in TX, as of July 2026.
- NPI1184700254
- Registered2006
- Centers2
- StateTX
- Class of2005
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
Education
Education on record as of August 2026.
Charles Miller at a glance
- Provider
- Charles Miller
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- San Antonio, TX
- Medical school
- Loyola University of Chicago, Stritch School of Medicine
- Graduated
- 2005
- NPI registered
- 2006
- NPI
- 1184700254
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Charles Miller practice?
Charles Miller, M.D. is based in San Antonio, TX and is affiliated with 2 ambulatory surgery centers: North Central Methodist ASC Lp in San Antonio, TX and Gastroenterology Consultants Of San Antonio Ne in San Antonio, TX. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Charles Miller's NPI number?
Charles Miller's National Provider Identifier (NPI) is 1184700254, registered in 2006. Specialty on record: Gastroenterology; credential M.D.
Where did Charles Miller go to medical school?
Charles Miller, M.D. attended Loyola University of Chicago, Stritch School of Medicine, graduating in 2005.
How many Gastroenterology providers in Texas work at ambulatory surgery centers?
312 Gastroenterology surgeons and proceduralists in Texas are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Charles Miller among them. The Texas Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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