Larissa AllenM.D.
Larissa Allen, M.D. is a Gastroenterology provider in Tucson, AZ affiliated with 2 ambulatory surgery centers in AZ, as of July 2026.
- NPI1659536480
- Registered2008
- Centers2
- StateAZ
- Class of2008
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.
Larissa Allen at a glance
- Provider
- Larissa Allen
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Tucson, AZ
- Medical school
- University of Arizona College of Medicine
- Graduated
- 2008
- NPI registered
- 2008
- NPI
- 1659536480
- 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 Larissa Allen practice?
Larissa Allen, M.D. is based in Tucson, AZ and is affiliated with 2 ambulatory surgery centers: Tucson Digestive Institute LLC Dba Arizona Digestive Institute in Tucson, AZ and Tucson Endoscopy Center in Tucson, AZ. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Larissa Allen's NPI number?
Larissa Allen's National Provider Identifier (NPI) is 1659536480, registered in 2008. Specialty on record: Gastroenterology; credential M.D.
Where did Larissa Allen go to medical school?
Larissa Allen, M.D. attended University of Arizona College of Medicine, graduating in 2008.
How many Gastroenterology providers in Arizona work at ambulatory surgery centers?
130 Gastroenterology surgeons and proceduralists in Arizona are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Larissa Allen among them. The Arizona Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
Pilot Analysis
Get the complete Larissa Allen analysis
Tell us where to send it. Our team will prepare an analysis of Larissa Allen covering case volumes, referral patterns, payer mix, and how specialty peers compare, and email it to you within 5-10 business days. Need it faster? Book a demo.