NPPES file of Aug 9, 2026

Maria Westerhoff, M.D.

Anatomic Pathology & Clinical Pathology Physician · Ann Arbor, MI

Maria Westerhoff, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Ann Arbor, Michigan, and NPI 1124318787, issued on Apr 15, 2011. Check the license (Michigan 4301113491, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124318787
Name
Maria Westerhoff
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License numbers
4301113491 MI
036.124402 IL
Self-reported in NPPES; status is on the state search
Practice location
1500 E Medical Center Dr, Ann Arbor, MI 48109
Phone
(734) 936-4000
Enumerated
Apr 15, 2011
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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Also registered at 1500 E Medical Center Dr

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

  1. Bryan Aaron, MDObstetrics & Gynecology Physician1578307724
  2. Keith Aaronson, MDAdvanced Heart Failure and Transplant Cardiology Physician1144305301
  3. Rajani Aatre, M.S., M.SC.Genetic Counselor (M.S.)1962122457
  4. Anjelica Abate, MDDiagnostic Radiology Physician1841819216
  5. Nicole Abbott, CRNACertified Registered Nurse Anesthetist1790329860
  6. Ahmed Abdel-Latif, M.D.Interventional Cardiology Physician1518181239

Verify Maria Westerhoff 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 4301113491    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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Bills Medicare through one group practice

  1. Regents OF The University OF MichiganAnn Arbor, MI

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

Anatomic Pathology & Clinical Pathology Physician providers in Michigan

There are 561 anatomic pathology & clinical pathology physician records in Michigan.

All 561 in Michigan → Every provider in Ann Arbor →

Other anatomic pathology & clinical pathology physician records in Michigan

  1. Kay Aardema, MDGrand Rapids, MI1407840051
  2. Omar Abbas, MDDetroit, MI1417687450
  3. Nour Abd AlmohsenDetroit, MI1104359983
  4. Michael Abrash, M.D.Farmington Hills, MI1033152681
  5. Monroe Adams, DOMount Clemens, MI1437103769
  6. Aamir Ahsan, MDGrand Blanc, MI1386832640
  7. Beena Ahsan, M.DDetroit, MI1841653250
  8. Stephanie Akins, M.D.Rochester, MI1457670135
  9. Mousa Al-Abbadi, MDDetroit, MI1023056124
  10. Basim Al-Khafaji, MDDetroit, MI1386758571

Common questions

What is Maria Westerhoff, M.D.'s NPI number?

Maria Westerhoff, M.D.'s National Provider Identifier (NPI) is 1124318787, issued on Apr 15, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Maria Westerhoff, M.D. located?

The NPPES record lists a practice address at 1500 E Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 936-4000. Providers update this record themselves, so call before visiting.

How can I verify Maria Westerhoff, M.D.'s license?

NPPES lists Michigan license number 4301113491, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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 27, 2026.