Ian GrimesM.D.
Ian Grimes, M.D. is a Gastroenterology provider in Madison, WI affiliated with 1 ambulatory surgery center in WI, as of July 2026.
- NPI1275737165
- Registered2007
- Centers1
- StateWI
- Class of2007
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.
Ian Grimes at a glance
- Provider
- Ian Grimes
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Madison, WI
- Medical school
- Southern Illinois University School of Medicine
- Graduated
- 2007
- NPI registered
- 2007
- NPI
- 1275737165
- 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 Ian Grimes practice?
Ian Grimes, M.D. is based in Madison, WI and is affiliated with 1 ambulatory surgery center: Ssm Health Surgerydigestive Health Ctr On Park St in Madison, WI. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Ian Grimes's NPI number?
Ian Grimes's National Provider Identifier (NPI) is 1275737165, registered in 2007. Specialty on record: Gastroenterology; credential M.D.
Where did Ian Grimes go to medical school?
Ian Grimes, M.D. attended Southern Illinois University School of Medicine, graduating in 2007.
How many Gastroenterology providers in Wisconsin work at ambulatory surgery centers?
103 Gastroenterology surgeons and proceduralists in Wisconsin are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Ian Grimes among them. The Wisconsin Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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