NPPES file of Aug 9, 2026

Kirsten M. Johantgen, MD

Obstetrics & Gynecology Physician · Portage, MI

Kirsten M. Johantgen, MD is an obstetrics & gynecology physician with a practice address in Portage, Michigan, and NPI 1285736371, issued on Sep 1, 2006. Check the license (Michigan 4301054491, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285736371
Name
Kirsten M. Johantgen
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
4301054491 MI
Self-reported in NPPES; status is on the state search
Practice location
7895 Currier Dr, Portage, MI 49002
Phone
(269) 321-7080
Enumerated
Sep 1, 2006
Record last updated
Dec 8, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090511000177); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Human Medicine, 1989
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 7895 Currier Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Angel AugustusBehavior Technician1760318018
  2. Sayuz Bade ShresthaBehavior Technician1871465559
  3. Chloe BeattyBehavior Technician1063302065
  4. Allie Bierling, BCBA, LBABehavior Analyst1700340262
  5. James BlakleyBehavior Technician1841173721
  6. Claire BlauerBehavior Technician1588495485

Verify Kirsten M. Johantgen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301054491
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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40% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

99 Medicare Part D claims for 41 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Kirsten Johantgen99
  2. Specialty average165

Most prescribed

  1. Estradiol36 claims
  2. Alendronate Sodium11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 74.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score69.9
  2. Costout of 100 · 30%69.1
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Ascension Medical Group PromedPortage, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kirsten M. Johantgen among 1,776 obstetrics & gynecology physician records in Michigan

Kirsten M. Johantgen, MD is one of 1,776 obstetrics & gynecology physician records with a practice address in Michigan. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 57% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated1989 · median 2007 among the 1,003 with a school on file
  • Record last updated2015 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Michigan

There are 1,776 obstetrics & gynecology physician records in Michigan.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. George Bruzza, MDPortage, MI 490021831133966
  2. Amber Nash-Guilford, D.O.Portage, MI 490021538459813
  3. Scott PieresonPortage, MI 490021518075829
  4. Janice Werbinski, MDPortage, MI 490021942249925
  5. Paul Berkowitz, MDKalamazoo, MI 490071013996255
  6. John Cooley, MDKalamazoo, MI 490071871561233
  7. Gregory Feldmeier, M.D.Kalamazoo, MI 490071497736755
  8. Tom Garling, M.D.Kalamazoo, MI 490071780665257

Common questions

What is Kirsten M. Johantgen, MD's NPI number?

Kirsten M. Johantgen, MD's National Provider Identifier (NPI) is 1285736371, issued on Sep 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kirsten M. Johantgen, MD located?

The NPPES record lists a practice address at 7895 Currier Dr, Portage, MI, 49002. Phone: (269) 321-7080. Providers update this record themselves, so call before visiting.

How can I verify Kirsten M. Johantgen, MD's license?

NPPES lists Michigan license number 4301054491, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kirsten M. Johantgen, MD prescribe under Medicare Part D?

In 2024, Kirsten M. Johantgen, MD had 99 Medicare Part D claims for 41 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is Kirsten M. Johantgen, MD's MIPS final score?

The 2023 MIPS final score is 74.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.