NPPES file of Aug 9, 2026

Mary Katherine Brinkman

Obstetrics & Gynecology Physician · Grand Rapids, MI

Mary Katherine Brinkman is an obstetrics & gynecology physician with a practice address in Grand Rapids, Michigan, and NPI 1306471461, issued on Mar 10, 2020. Check the license (Michigan 4351048048, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306471461
Name
Mary Katherine Brinkman
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
4351048048 MI
Self-reported in NPPES; status is on the state search
Practice location
2750 E Beltline Ave NE FL 1, Grand Rapids, MI 49525
Phone
(616) 447-5850
Enumerated
Mar 10, 2020
Record last updated
Sep 2, 2025
Medicare enrollment
Enrolled (PECOS I20250808000705); 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 2750 E Beltline Ave NE FL 1

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

  1. Lisa Andersson-Zetye, MDObstetrics & Gynecology Physician1013023456
  2. Anne Barron, MDObstetrics & Gynecology Physician1134780315
  3. Kristen Bottke, MDObstetrics & Gynecology Physician1669853511
  4. Katrina Buyze, MDObstetrics & Gynecology Physician1831728450
  5. Ryan Carmody, PAPhysician Assistant1689224511
  6. Sara Denolf, M.D.Obstetrics & Gynecology Physician1750644597

Verify Mary Katherine Brinkman 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 4351048048
    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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85% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

24 Medicare Part D claims for 13 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Mary Brinkman24
  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.

Industry payments in 2024: $53.20

3 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Brinkman$53.20
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

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 Mary Katherine Brinkman's NPI number?

Mary Katherine Brinkman's National Provider Identifier (NPI) is 1306471461, issued on Mar 10, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Mary Katherine Brinkman located?

The NPPES record lists a practice address at 2750 E Beltline Ave NE FL 1, Grand Rapids, MI, 49525. Phone: (616) 447-5850. Providers update this record themselves, so call before visiting.

How can I verify Mary Katherine Brinkman's license?

NPPES lists Michigan license number 4351048048, 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 Mary Katherine Brinkman prescribe under Medicare Part D?

In 2024, Mary Katherine Brinkman had 24 Medicare Part D claims for 13 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

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.