Eric JohannsenMD
Infectious Disease·Madison, WI
Eric Johannsen, MD is an Infectious Disease provider in Madison, WI, as of July 2026.
- NPI1437115680
- Registered2006
- Class of1995
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Eric Johannsen at a glance
- Provider
- Eric Johannsen
- Credential
- MD
- Specialty
- Infectious Disease
- Location
- Madison, WI
- Medical school
- Harvard Medical School
- Graduated
- 1995
- NPI registered
- 2006
- NPI
- 1437115680
- 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 Johannsen practice?
Eric Johannsen, MD is based in Madison, WI. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Eric Johannsen's NPI number?
Eric Johannsen's National Provider Identifier (NPI) is 1437115680, registered in 2006. Specialty on record: Infectious Disease; credential MD.
Where did Eric Johannsen go to medical school?
Eric Johannsen, MD attended Harvard Medical School, graduating in 1995.
How many Infectious Disease providers in Wisconsin work at ambulatory surgery centers?
24 Infectious Disease surgeons and proceduralists in Wisconsin are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Eric Johannsen among them. The Wisconsin Infectious Disease directory lists each one by city with credential, NPI, and center affiliations.
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