NPPES file of Aug 9, 2026

Gretchen Lamarche

Family Nurse Practitioner · Petoskey, MI

Gretchen Lamarche is a family nurse practitioner with a practice address in Petoskey, Michigan, and NPI 1700641461, issued on Feb 20, 2024. Check the license (Michigan 4704255369, as entered in NPPES) with the Michigan board that licenses this profession; 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
1700641461
Name
Gretchen Lamarche
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
4704255369 MI
Self-reported in NPPES; status is on the state search
Practice location
560 W Mitchell St Ste 400, Petoskey, MI 49770
Phone
(231) 487-2490
Enumerated
Feb 20, 2024
Record last updated
Feb 20, 2024
Medicare enrollment
Enrolled (PECOS I20240517001934); 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 560 W Mitchell St Ste 400

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

  1. Christine CeglarekNurse Practitioner1487226924
  2. Hannah Duby, DNP, AGNP-CNurse Practitioner1336708643
  3. Lexi Morey, FNPFamily Nurse Practitioner1639041494
  4. Casandra Newland, AGACNP-BCAcute Care Nurse Practitioner1023634615
  5. Jennifer Phillips, PACMedical Physician Assistant1366580227
  6. John Talbott, DOThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1942309455

Verify Gretchen Lamarche in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4704255369    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
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84% fewer Medicare Part D claims than the average family nurse practitioner in 2024

207 Medicare Part D claims for 72 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Gretchen Lamarche207
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium29 claims
  2. Metoprolol Succinate17 claims
  3. Eliquis14 claims
  4. Rosuvastatin Calcium14 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.

One hospital affiliation

  1. Mclaren Central MichiganMount Pleasant, MI · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

29 family nurse practitioner records list a practice address in Petoskey

They are 29 of the 785 NPPES records with a practice address in Petoskey, and 5,356 family nurse practitioner records in Michigan.

All 29 in Petoskey → All 5,356 in Michigan → Every provider in Petoskey →

Other family nurse practitioner records in Michigan

  1. Uaye Abai, BSC, BSN, RN, FNPWest Bloomfield, MI1457460222
  2. Leila Abbas, NPInkster, MI1356857056
  3. Norma AbbottCaro, MI1700321346
  4. Bianca Abboud, FNPSaginaw, MI1588437404
  5. Fatima Abdallah, FNP-BCDearborn, MI1831783695
  6. Fatmeh Abdallah, FNPDearborn, MI1700678745
  7. Houda AbdallahOak Park, MI1811524655
  8. Zienab Abdallah, FNPDearborn, MI1417718065
  9. Samir Abdel-HakCanton, MI1194541094
  10. Deya Abdelbaki, NPBelleville, MI1427582311

Common questions

What is Gretchen Lamarche's NPI number?

Gretchen Lamarche's National Provider Identifier (NPI) is 1700641461, issued on Feb 20, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Gretchen Lamarche located?

The NPPES record lists a practice address at 560 W Mitchell St Ste 400, Petoskey, MI, 49770. Phone: (231) 487-2490. Providers update this record themselves, so call before visiting.

How can I verify Gretchen Lamarche's license?

NPPES lists Michigan license number 4704255369, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Gretchen Lamarche prescribe under Medicare Part D?

In 2024, Gretchen Lamarche had 207 Medicare Part D claims for 72 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.