Stephen HallidayM.D., MSCI
Stephen Halliday, M.D., MSCI is a Pulmonary Disease provider in Madison, WI, as of July 2026.
- NPI1154612554
- Registered2011
- Class of2011
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Stephen Halliday at a glance
- Provider
- Stephen Halliday
- Credential
- M.D., MSCI
- Specialty
- Pulmonary Disease
- Location
- Madison, WI
- Medical school
- University of Texas Medical School at San Antonio
- Graduated
- 2011
- NPI registered
- 2011
- NPI
- 1154612554
- 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 Stephen Halliday practice?
Stephen Halliday, M.D., MSCI is based in Madison, WI. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Stephen Halliday's NPI number?
Stephen Halliday's National Provider Identifier (NPI) is 1154612554, registered in 2011. Specialty on record: Pulmonary Disease; credential M.D., MSCI.
Where did Stephen Halliday go to medical school?
Stephen Halliday, M.D., MSCI attended University of Texas Medical School at San Antonio, graduating in 2011.
How many Pulmonary Disease providers in Wisconsin work at ambulatory surgery centers?
53 Pulmonary Disease surgeons and proceduralists in Wisconsin are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Stephen Halliday among them. The Wisconsin Pulmonary Disease directory lists each one by city with credential, NPI, and center affiliations.
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