NPPES file of Aug 9, 2026

Katherine Michelle Johnson, D.O.

Obstetrics & Gynecology Physician · Grand Rapids, MI

Katherine Michelle Johnson, D.O. is an obstetrics & gynecology physician with a practice address in Grand Rapids, Michigan, and NPI 1619393899, issued on Mar 11, 2014. Check the license (Michigan 5101021006, 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
1619393899
Name
Katherine Michelle Johnson
Credential
D.O.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
5101021006 MI
Self-reported in NPPES; status is on the state search
Practice location
221 Michigan St NE Ste 600, Grand Rapids, MI 49503
Phone
(616) 774-7035
Enumerated
Mar 11, 2014
Record last updated
Jul 11, 2022
Medicare enrollment
Enrolled (PECOS I20180809005097); accepts Medicare assignment
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 221 Michigan St NE Ste 600

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

  1. Sarah Bertus, PA-CPhysician Assistant1972174951
  2. Adrienne Brown, M.D.Obstetrics & Gynecology Physician1407084429
  3. Jennifer Cannon, D.O.Obstetrics & Gynecology Physician1487996930
  4. Madison Chapman, MDObstetrics & Gynecology Physician1578142907
  5. Kathleen Hascher, FNP-BCFamily Nurse Practitioner1417040296
  6. Elysha Keener, DNP, FNP-CFamily Nurse Practitioner1861076465

Verify Katherine Michelle Johnson 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 5101021006
    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

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72% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

47 Medicare Part D claims for 18 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Katherine Johnson47
  2. Specialty average165

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 MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score87.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through one group practice

  1. Spectrum Health Primary Care PartnersGrand Rapids, MI

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

183 obstetrics & gynecology physician records list a practice address in Grand Rapids

They are 183 of the 18,005 NPPES records with a practice address in Grand Rapids, and 1,776 obstetrics & gynecology physician records in Michigan.

Other obstetrics & gynecology physician records in Michigan

  1. Bryan Aaron, MDAnn Arbor, MI1578307724
  2. Mushtak Abbou, MDRoyal Oak, MI1093796922
  3. Youstina Abdallah, MDGrand Rapids, MI1679325062
  4. Adib Abdelrahman, D.O.Pontiac, MI1679889406
  5. Anan Abdelrahman, MDPontiac, MI1760472740
  6. Charlene Abernethy, DOWilliamsburg, MI1447305016
  7. Andrea Abessinio, D.O.Saint Clair Shores, MI1144237926
  8. Carmela Abessinio, D.O.Grosse Pointe, MI1174661763
  9. Joelle Abood, M.D.Troy, MI1063724813
  10. Margot Abundis, M.D.Roseville, MI1396746194

Common questions

What is Katherine Michelle Johnson, D.O.'s NPI number?

Katherine Michelle Johnson, D.O.'s National Provider Identifier (NPI) is 1619393899, issued on Mar 11, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Michelle Johnson, D.O. located?

The NPPES record lists a practice address at 221 Michigan St NE Ste 600, Grand Rapids, MI, 49503. Phone: (616) 774-7035. Providers update this record themselves, so call before visiting.

How can I verify Katherine Michelle Johnson, D.O.'s license?

NPPES lists Michigan license number 5101021006, 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 Katherine Michelle Johnson, D.O. prescribe under Medicare Part D?

In 2024, Katherine Michelle Johnson, D.O. had 47 Medicare Part D claims for 18 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is Katherine Michelle Johnson, D.O.'s MIPS final score?

The 2023 MIPS final score is 100 of 100. 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.