Eric JohnsonM.D.
Eric Johnson, M.D. is a Gastroenterology provider in Wausau, WI affiliated with 3 ambulatory surgery centers in WI, as of July 2026.
- NPI1245276534
- Registered2006
- Centers3
- StateWI
- Class of2006
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.
- Mchs Hospitals INC Dba Marshfield Clinic Wausau ASCWausau, WI · Gastroenterology, Pain management · 9 on panelView center →
- Pine Ridge Surgery CenterWausau, WI · Gastroenterology, General surgery, Plastic surgery, Podiatry, Urology, Vascular · 30 on panelView center →
- Gastrointestinal Associates Endoscopy CenterWausau, WI · Gastroenterology · 10 on panelView center →
Education
Education on record as of August 2026.
Eric Johnson at a glance
- Provider
- Eric Johnson
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Wausau, WI
- Medical school
- Medical College of Wisconsin
- Graduated
- 2006
- NPI registered
- 2006
- NPI
- 1245276534
- 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 Eric Johnson practice?
Eric Johnson, M.D. is based in Wausau, WI and is affiliated with 3 ambulatory surgery centers: Mchs Hospitals INC Dba Marshfield Clinic Wausau ASC in Wausau, WI, Pine Ridge Surgery Center in Wausau, WI, and Gastrointestinal Associates Endoscopy Center in Wausau, WI. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Eric Johnson's NPI number?
Eric Johnson's National Provider Identifier (NPI) is 1245276534, registered in 2006. Specialty on record: Gastroenterology; credential M.D.
Where did Eric Johnson go to medical school?
Eric Johnson, M.D. attended Medical College of Wisconsin, graduating in 2006.
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, Eric Johnson among them. The Wisconsin Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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