NPPES file of Aug 9, 2026

Janet Marie Millermaier, M.D.

Family Medicine Physician · Coopersville, MI

Janet Marie Millermaier, M.D. is a family medicine physician with a practice address in Coopersville, Michigan, and NPI 1558478370, issued on Aug 25, 2006. Check the license (Michigan 4301066454, 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
1558478370
Name
Janet Marie Millermaier
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
4301066454 MI
55461-20 WI
Self-reported in NPPES; status is on the state search
Practice location
25 Conran Drive, Coopersville, MI 49504
Phone
(616) 267-7860
Enumerated
Aug 25, 2006
Record last updated
Jul 6, 2023
Fax
(616) 267-7861
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →

Verify Janet Marie Millermaier 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 4301066454    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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97% fewer Medicare Part D claims than the average family medicine physician in 2024

114 Medicare Part D claims for 29 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Janet Millermaier114
  2. Specialty average3,544

Most prescribed

  1. Divalproex Sodium23 claims
  2. Atorvastatin Calcium14 claims
  3. Raloxifene Hcl11 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.

Janet Marie Millermaier among 6,013 family medicine physician records in Michigan

Janet Marie Millermaier, M.D. is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 56% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2023 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 family medicine physician records list a practice address in Coopersville

They are 7 of the 73 NPPES records with a practice address in Coopersville, and 6,013 family medicine physician records in Michigan.

All 6,013 in Michigan → Every provider in Coopersville → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Fredric Reyelts, MDGrand Rapids, MI 495041285687467
  2. Selam Alemu, MDGrand Rapids, MI 495031487544532
  3. Rimmel AliGrand Rapids, MI 495031962322099
  4. Meena BarakamGrand Rapids, MI 495031689501116
  5. Nabila Chowdhury, M.D.Grand Rapids, MI 495031538055215
  6. Jacqueline CusterGrand Rapids, MI 495031558298083
  7. Annelise GordonGrand Rapids, MI 495031881521334
  8. Laraib Haider, M.D.Grand Rapids, MI 495031811827504

Common questions

What is Janet Marie Millermaier, M.D.'s NPI number?

Janet Marie Millermaier, M.D.'s National Provider Identifier (NPI) is 1558478370, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Janet Marie Millermaier, M.D. located?

The NPPES record lists a practice address at 25 Conran Drive, Coopersville, MI, 49504. Phone: (616) 267-7860. Providers update this record themselves, so call before visiting.

How can I verify Janet Marie Millermaier, M.D.'s license?

NPPES lists Michigan license number 4301066454, 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 Janet Marie Millermaier, M.D. prescribe under Medicare Part D?

In 2024, Janet Marie Millermaier, M.D. had 114 Medicare Part D claims for 29 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.