Nancy J. Hilleren, M.D.
Pediatrics Physician · Kalamazoo, MI
Nancy J. Hilleren, M.D. is a pediatrics physician with a practice address in Kalamazoo, Michigan, and NPI 1003861311, issued on May 24, 2006. Check the license (Michigan 4301051536, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Nancy J. Hilleren
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 4301051536 MI
Self-reported in NPPES; status is on the state search - Practice location
- 6210 W Main St, Kalamazoo, MI 49009
- Phone
- (269) 286-7030
- Enumerated
- May 24, 2006
- Record last updated
- Aug 5, 2022
- Medicaid ID
- 104352469 MI
- Entity
- Type 1 · individual
Also registered at 6210 W Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aaron Bacalia, PA-CPhysician Assistant1790876894
- Alexandria Bower-Nelson, PAPhysician Assistant1982212072
- Ashley Conklin, N.P.Family Nurse Practitioner1528500998
- Megan Foley, NPPediatric Nurse Practitioner1831335124
- Kathleen Karnes, PNPPediatric Nurse Practitioner1790864981
- Tiffany Kowalski, RNRegistered Nurse1992411581
Verify Nancy J. Hilleren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301051536Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average pediatrics physician in 2024
30 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Fluoxetine Hcl13 claims
- Levocetirizine Dihydrochloride13 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: $218.51
10 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Pediatrics Physician providers in Michigan
There are 2,180 pediatrics physician records in Michigan.
Other pediatrics physician records in Michigan
- Amal Abd AllahLansing, MI1841960812
- Abdalla Abdalla-Ali, MDLansing, MI1134101074
- Tassneem Abdel Karim, MDLansing, MI1477971703
- Lukman Abdurrahim, MDGrand Rapids, MI1467905091
- Samuel Abebe, MDYpsilanti, MI1003256421
- Yusra Abidi, M.D.Troy, MI1740695048
- Patricia Abinoja, M.D.Oak Park, MI1023108792
- Carol Abiragi, M.D.New Baltimore, MI1801902184
- Roger Abiragi, M.D.New Baltimore, MI1841306180
- Doaa AbouallaSaginaw, MI1861282337
Common questions
What is Nancy J. Hilleren, M.D.'s NPI number?
Nancy J. Hilleren, M.D.'s National Provider Identifier (NPI) is 1003861311, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nancy J. Hilleren, M.D. located?
The NPPES record lists a practice address at 6210 W Main St, Kalamazoo, MI, 49009. Phone: (269) 286-7030. Providers update this record themselves, so call before visiting.
How can I verify Nancy J. Hilleren, M.D.'s license?
NPPES lists Michigan license number 4301051536, 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 Nancy J. Hilleren, M.D. prescribe under Medicare Part D?
In 2024, Nancy J. Hilleren, M.D. had 30 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.