Allison SirakosM.D.
Gastroenterology·San Antonio, TX
Allison Sirakos, M.D. is a Gastroenterology provider in San Antonio, TX affiliated with 2 ambulatory surgery centers in TX, as of July 2026.
- NPI1871940650
- Registered2016
- Centers2
- StateTX
- Class of2016
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.
Allison Sirakos at a glance
- Provider
- Allison Sirakos
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- San Antonio, TX
- Medical school
- University of Texas Southwestern Medical School at Dallas
- Graduated
- 2016
- NPI registered
- 2016
- NPI
- 1871940650
- 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 Allison Sirakos practice?
Allison Sirakos, M.D. is based in San Antonio, TX and is affiliated with 2 ambulatory surgery centers: Methodist Medical Center ASC Lp in San Antonio, TX and San Antonio Gastroenterology Endoscopy Center Med Center in San Antonio, TX. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Allison Sirakos's NPI number?
Allison Sirakos's National Provider Identifier (NPI) is 1871940650, registered in 2016. Specialty on record: Gastroenterology; credential M.D.
Where did Allison Sirakos go to medical school?
Allison Sirakos, M.D. attended University of Texas Southwestern Medical School at Dallas, graduating in 2016.
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, Allison Sirakos among them. The Texas Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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