John DelhagenM.D.
John Delhagen, M.D. is an Anesthesiology provider in Georgetown, TX affiliated with 4 ambulatory surgery centers in TX, as of July 2026.
- NPI1053325019
- Registered2006
- Centers4
- StateTX
- Class of1992
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.
- Specialty Surgery Center Of San AntonioSan Antonio, TX · Ophthalmology · 27 on panelView center →
- Zeo Surgical Center LLC Dba Lenza Surgical CenterSan Antonio, TX · Ophthalmology · 17 on panelView center →
- The Ocular Surgery CenterSan Antonio, TX · Ophthalmology · 30 on panelView center →
- American Surgery Center Of South Texas NovamedSan Antonio, TX · Ophthalmology · 27 on panelView center →
Education
Education on record as of August 2026.
John Delhagen at a glance
- Provider
- John Delhagen
- Credential
- M.D.
- Specialty
- Anesthesiology
- Procedures
- Anesthesiology CPT codes
- Location
- Georgetown, TX
- Medical school
- Warren Alpert Medical School of Brown University
- Graduated
- 1992
- NPI registered
- 2006
- NPI
- 1053325019
- 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 John Delhagen practice?
John Delhagen, M.D. is based in Georgetown, TX and is affiliated with 4 ambulatory surgery centers: Specialty Surgery Center Of San Antonio in San Antonio, TX, Zeo Surgical Center LLC Dba Lenza Surgical Center in San Antonio, TX, The Ocular Surgery Center in San Antonio, TX, and American Surgery Center Of South Texas Novamed in San Antonio, TX. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Delhagen's NPI number?
John Delhagen's National Provider Identifier (NPI) is 1053325019, registered in 2006. Specialty on record: Anesthesiology; credential M.D.
Where did John Delhagen go to medical school?
John Delhagen, M.D. attended Warren Alpert Medical School of Brown University, graduating in 1992.
How many Anesthesiology providers in Texas work at ambulatory surgery centers?
77 Anesthesiology surgeons and proceduralists in Texas are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Delhagen among them. The Texas Anesthesiology directory lists each one by city with credential, NPI, and center affiliations.
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