NPPES file of Aug 9, 2026

Heidi Marie Grabemeyer-Layman, M.D.

Obstetrics & Gynecology Physician · Saint Joseph, MI

Heidi Marie Grabemeyer-Layman, M.D. is an obstetrics & gynecology physician with a practice address in Saint Joseph, Michigan, and NPI 1679771562, issued on Jul 3, 2007. Check the license (Michigan 4301090703, 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
1679771562
Name
Heidi Marie Grabemeyer-Layman
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
4301090703 MI
Self-reported in NPPES; status is on the state search
Practice location
2690 S Cleveland Ave, Saint Joseph, MI 49085
Phone
(269) 428-2800
Enumerated
Jul 3, 2007
Record last updated
Sep 16, 2025
Medicare enrollment
Enrolled (PECOS I20110706000138); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Human Medicine, 2007
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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8 nearest obstetrics & gynecology physician records → All 1,776 in Michigan → Look up another NPI →

Also registered at 2690 S Cleveland Ave

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

  1. Michele Ashton, MDObstetrics & Gynecology Physician1295763159
  2. Carol Czuk, N.P.Nurse Practitioner1831184605
  3. Sandra Fichtner, WHNPWomen's Health Nurse Practitioner1356393342
  4. De Ann Kutzner, M.D.Obstetrics & Gynecology Physician1164474524
  5. Rachael Proctor, M.D.Obstetrics & Gynecology Physician1730133034
  6. Lorelei Williams, NPObstetrics & Gynecology Nurse Practitioner1750669016

Verify Heidi Marie Grabemeyer-Layman 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 4301090703    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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2.1 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024

339 Medicare Part D claims for 133 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Heidi Grabemeyer-Layman339
  2. Specialty average165

Most prescribed

  1. Estradiol84 claims
  2. Nystatin37 claims
  3. Clobetasol Propionate29 claims
  4. Myrbetriq26 claims
  5. Solifenacin Succinate26 claims
  6. Nitrofurantoin Mono-Macro25 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.

Industry payments in 2024: $173.90

8 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. 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. Heidi Grabemeyer-Layman$173.90
  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. South Shore Women's Health Care PCSaint Joseph, MI

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

Heidi Marie Grabemeyer-Layman among 1,776 obstetrics & gynecology physician records in Michigan

Heidi Marie Grabemeyer-Layman, M.D. 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 2007, is newer than 43% of them.

  • NPI issued2007 · 43% of these records are older, 49% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2007 · median 2007 among the 1,003 with a school on file
  • Record last updated2025 · 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.

All 1,776 in Michigan → Every provider in Saint Joseph → Obstetrics & Gynecology Physician nationwide →

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

  1. Michele Ashton, MDSaint Joseph, MI 490851295763159
  2. John Bard, MDSaint Joseph, MI 490851154358331
  3. Miguel Bermeo, M.D.Saint Joseph, MI 490851811167216
  4. Ashley DupuisSaint Joseph, MI 490851821396599
  5. Heather Figueroa, M.D.Saint Joseph, MI 490851518120625
  6. Jeffrey Fitzer, MD.Saint Joseph, MI 490851487664769
  7. De Ann Kutzner, M.D.Saint Joseph, MI 490851164474524
  8. Rachael Proctor, M.D.Saint Joseph, MI 490851730133034

Common questions

What is Heidi Marie Grabemeyer-Layman, M.D.'s NPI number?

Heidi Marie Grabemeyer-Layman, M.D.'s National Provider Identifier (NPI) is 1679771562, issued on Jul 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Heidi Marie Grabemeyer-Layman, M.D. located?

The NPPES record lists a practice address at 2690 S Cleveland Ave, Saint Joseph, MI, 49085. Phone: (269) 428-2800. Providers update this record themselves, so call before visiting.

How can I verify Heidi Marie Grabemeyer-Layman, M.D.'s license?

NPPES lists Michigan license number 4301090703, 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 Heidi Marie Grabemeyer-Layman, M.D. prescribe under Medicare Part D?

In 2024, Heidi Marie Grabemeyer-Layman, M.D. had 339 Medicare Part D claims for 133 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.