NPPES file of Aug 9, 2026

Glen Vanderschaaf, NP

Family Nurse Practitioner · Muskegon, MI

Glen Vanderschaaf, NP is a family nurse practitioner with a practice address in Muskegon, Michigan, and NPI 1225596968, issued on Mar 12, 2019. Check the license (Michigan 4704305626, 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
1225596968
Name
Glen Vanderschaaf
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
4704305626 MI
Self-reported in NPPES; status is on the state search
Practice location
1150 E Sherman Blvd Ste 1175, Muskegon, MI 49444
Phone
(231) 672-6740
Enumerated
Mar 12, 2019
Record last updated
Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(231) 672-6787
Medicare enrollment
Enrolled (PECOS I20190502001196); 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 1150 E Sherman Blvd Ste 1175

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

  1. Denise Bailey, PA-CPhysician Assistant1457607806
  2. Amanda Bennett, D.O.Family Medicine Physician1861874190
  3. Kathryn Coleman, LMSWClinical Social Worker1255780797
  4. Jay Klein, DOGeriatric Medicine (Family Medicine) Physician1184799199
  5. Michelle Miller, NPFamily Nurse Practitioner1184601841
  6. Kayla Moore, MSWClinical Social Worker1437595287

Verify Glen Vanderschaaf 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 4704305626
    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
Find 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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4.2 times the Medicare Part D claims of the average family nurse practitioner in 2024

5,541 Medicare Part D claims for 596 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 458 claims were for opioids.

  1. Glen Vanderschaaf5,541
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium286 claims
  2. Hydrocodone-Acetaminophen271 claims
  3. Amlodipine Besylate251 claims
  4. Losartan Potassium251 claims
  5. Levothyroxine Sodium238 claims
  6. Gabapentin187 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.

Bills Medicare through one group practice

  1. Mercy Physician NetworkMuskegon, MI

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

Glen Vanderschaaf among 5,356 family nurse practitioner records in Michigan

Glen Vanderschaaf, NP is one of 5,356 family nurse practitioner records with a practice address in Michigan. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 47% of them.

  • NPI issued2019 · 47% of these records are older, 45% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2018 · median 2019 among the 3,254 with a school on file
  • Record last updated2021 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

48 family nurse practitioner records list a practice address in Muskegon

They are 48 of the 2,646 NPPES records with a practice address in Muskegon, and 5,356 family nurse practitioner records in Michigan.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Ann Bays, C.F.N.P.Muskegon, MI 494441194734814
  2. Sandra Boomer, FNPMuskegon, MI 494441811966252
  3. Heather Dunn, FNP-CMuskegon, MI 494441902342298
  4. Marisa Herrera, NPNorton Shores, MI 494441053586255
  5. Kristine Lidbeck, FNP-BCMuskegon, MI 494441578074654
  6. Tracey Marino, NPMuskegon, MI 494441801137229
  7. Rachel McDermott, NP-CMuskegon, MI 494441770931719
  8. Michelle Miller, NPMuskegon, MI 494441184601841

Common questions

What is Glen Vanderschaaf, NP's NPI number?

Glen Vanderschaaf, NP's National Provider Identifier (NPI) is 1225596968, issued on Mar 12, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Glen Vanderschaaf, NP located?

The NPPES record lists a practice address at 1150 E Sherman Blvd Ste 1175, Muskegon, MI, 49444. Phone: (231) 672-6740. Providers update this record themselves, so call before visiting.

How can I verify Glen Vanderschaaf, NP's license?

NPPES lists Michigan license number 4704305626, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Glen Vanderschaaf, NP prescribe under Medicare Part D?

In 2024, Glen Vanderschaaf, NP had 5,541 Medicare Part D claims for 596 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.

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.