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.
- 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
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Verify Janet Marie Millermaier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301066454Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- Divalproex Sodium23 claims
- Atorvastatin Calcium14 claims
- 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
- Fredric Reyelts, MDGrand Rapids, MI 495041285687467
- Selam Alemu, MDGrand Rapids, MI 495031487544532
- Rimmel AliGrand Rapids, MI 495031962322099
- Meena BarakamGrand Rapids, MI 495031689501116
- Nabila Chowdhury, M.D.Grand Rapids, MI 495031538055215
- Jacqueline CusterGrand Rapids, MI 495031558298083
- Annelise GordonGrand Rapids, MI 495031881521334
- 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.
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.