Kirsten JohantgenMD
Obstetrics & Gynecology·Portage, MI
Kirsten Johantgen, MD is an Obstetrics & Gynecology provider in Portage, MI, as of July 2026.
- NPI1285736371
- Registered2006
- Class of1989
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Kirsten Johantgen at a glance
- Provider
- Kirsten Johantgen
- Credential
- MD
- Specialty
- Obstetrics/Gynecology
- Procedures
- Obstetrics & Gynecology CPT codes
- Location
- Portage, MI
- Medical school
- Michigan State University College of Human Medicine
- Graduated
- 1989
- NPI registered
- 2006
- NPI
- 1285736371
- 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 Kirsten Johantgen practice?
Kirsten Johantgen, MD is based in Portage, MI. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Kirsten Johantgen's NPI number?
Kirsten Johantgen's National Provider Identifier (NPI) is 1285736371, registered in 2006. Specialty on record: Obstetrics/Gynecology; credential MD.
Where did Kirsten Johantgen go to medical school?
Kirsten Johantgen, MD attended Michigan State University College of Human Medicine, graduating in 1989.
How many Obstetrics & Gynecology providers in Michigan work at ambulatory surgery centers?
162 Obstetrics & Gynecology surgeons and proceduralists in Michigan are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Kirsten Johantgen among them. The Michigan Obstetrics & Gynecology directory lists each one by city with credential, NPI, and center affiliations.
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