Marion HarrisonM.D.
Gastroenterology·Scottsdale, AZ
Marion Harrison, M.D. is a Gastroenterology provider in Scottsdale, AZ affiliated with 2 ambulatory surgery centers in AZ, as of July 2026.
- NPI1801873633
- Registered2005
- Centers2
- StateAZ
- Class of1985
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.
Marion Harrison at a glance
- Provider
- Marion Harrison
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Scottsdale, AZ
- Medical school
- University of Virginia School of Medicine
- Graduated
- 1985
- NPI registered
- 2005
- NPI
- 1801873633
- 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 Marion Harrison practice?
Marion Harrison, M.D. is based in Scottsdale, AZ and is affiliated with 2 ambulatory surgery centers: Mayo Clinic Arizona Dba Mayo Clinic Scottsdale in Scottsdale, AZ and Arizona Digestive Center in Scottsdale, AZ. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Marion Harrison's NPI number?
Marion Harrison's National Provider Identifier (NPI) is 1801873633, registered in 2005. Specialty on record: Gastroenterology; credential M.D.
Where did Marion Harrison go to medical school?
Marion Harrison, M.D. attended University of Virginia School of Medicine, graduating in 1985.
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, Marion Harrison among them. The Arizona Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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