Susannah SpiessMD
Susannah Spiess, MD is a Gastroenterology provider in Glenview, IL affiliated with 2 ambulatory surgery centers in IL, as of July 2026.
- NPI1427076082
- Registered2006
- Centers2
- StateIL
- Class of1990
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.
Susannah Spiess at a glance
- Provider
- Susannah Spiess
- Credential
- MD
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Glenview, IL
- Medical school
- Northwestern University Feinberg Medical School
- Graduated
- 1990
- NPI registered
- 2006
- NPI
- 1427076082
- 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 Susannah Spiess practice?
Susannah Spiess, MD is based in Glenview, IL and is affiliated with 2 ambulatory surgery centers: Glen Endoscopy Center LLC in Glenview, IL and Pcac Gi Jv LLC Dba Amita Health Endoscopy Center Lincoln Park in Chicago, IL. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Susannah Spiess's NPI number?
Susannah Spiess's National Provider Identifier (NPI) is 1427076082, registered in 2006. Specialty on record: Gastroenterology; credential MD.
Where did Susannah Spiess go to medical school?
Susannah Spiess, MD attended Northwestern University Feinberg Medical School, graduating in 1990.
How many Gastroenterology providers in Illinois work at ambulatory surgery centers?
122 Gastroenterology surgeons and proceduralists in Illinois are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Susannah Spiess among them. The Illinois Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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