NPPES file of Aug 9, 2026

Maureen M. Westfall, WHNP

Obstetrics & Gynecology Nurse Practitioner · Ann Arbor, MI

Maureen M. Westfall, WHNP is an obstetrics & gynecology nurse practitioner with a practice address in Ann Arbor, Michigan, and NPI 1255607032, issued on Mar 27, 2012. Check the license (Michigan 4704302328, 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
1255607032
Name
Maureen M. Westfall
Credential
WHNP
Primary taxonomy
Obstetrics & Gynecology Nurse Practitioner 363LX0001X
License numbers
4704302328 MI
041-337174 IL
Self-reported in NPPES; status is on the state search
Practice location
4200 Whitehall Dr Ste 330, Ann Arbor, MI 48105
Phone
(734) 434-0477
Enumerated
Mar 27, 2012
Record last updated
Jul 21, 2022
Fax
(734) 434-6240
Medicare enrollment
Enrolled (PECOS I20170731001023); 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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8 nearest obstetrics & gynecology nurse practitioner records → All 58 in Michigan → Look up another NPI →

Also registered at 4200 Whitehall Dr Ste 330

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

  1. Colleen Bates, WHNP-BCWomen's Health Nurse Practitioner1326612425
  2. Meghan Bugosh, MDObstetrics & Gynecology Physician1760864482
  3. Lisa Desmond, MDObstetrics & Gynecology Physician1063919298
  4. Jennifer O'NeillObstetrics & Gynecology Physician1437545431
  5. Alia Shah, MDObstetrics & Gynecology Physician1609360015
  6. Lauren Westerfield, M.D.Obstetrics & Gynecology Physician1053723650

Verify Maureen M. Westfall 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 4704302328    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

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4% fewer Medicare Part D claims than the average obstetrics & gynecology nurse practitioner in 2024

190 Medicare Part D claims for 46 beneficiaries, against an average of 198 among the 1,094 providers of this specialty who prescribed in Part D.

  1. Maureen Westfall190
  2. Specialty average198

Most prescribed

  1. Estradiol43 claims
  2. Progesterone23 claims
  3. Triamcinolone Acetonide16 claims
  4. Estradiol (Once Weekly)15 claims
  5. Valacyclovir13 claims
  6. Alendronate Sodium11 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. Iha Health Services CorporationAnn Arbor, MI

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

Maureen M. Westfall among 58 obstetrics & gynecology nurse practitioner records in Michigan

Maureen M. Westfall, WHNP is one of 58 obstetrics & gynecology nurse practitioner records with a practice address in Michigan. 47% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 78% of them.

  • NPI issued2012 · 78% of these records are older, 17% newer
  • In a Medicare fileYes · 47% of these records are
  • In the CMS Doctors and Clinicians fileYes · 29% of these records are
  • Graduated2009 · median 2004 among the 17 with a school on file
  • Record last updated2022 · 72% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LX0001X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Nurse Practitioner providers in Michigan

There are 58 obstetrics & gynecology nurse practitioner records in Michigan.

All 58 in Michigan → Every provider in Ann Arbor → Obstetrics & Gynecology Nurse Practitioner nationwide →

The 8 obstetrics & gynecology nurse practitioner records with the nearest ZIP codes

  1. Amy Yaquinto, WHNP-BCAnn Arbor, MI 481041699911057
  2. Mary Barringer, WHNP-BCDearborn, MI 481241952647083
  3. Joan Elward, RNCBingham Farms, MI 480251144363797
  4. Jeanne Gray, CNPSouthgate, MI 481951679629604
  5. Sharon O'Reilly, NPYpsilanti, MI 481971528081692
  6. Valerie Kmak, NURSE PRACTITIONERDetroit, MI 482011396756128
  7. Cynthia Paige, N.P.Birmingham, MI 480091689833162
  8. Toni Tipton, NPDetroit, MI 482011770507444

Common questions

What is Maureen M. Westfall, WHNP's NPI number?

Maureen M. Westfall, WHNP's National Provider Identifier (NPI) is 1255607032, issued on Mar 27, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Maureen M. Westfall, WHNP located?

The NPPES record lists a practice address at 4200 Whitehall Dr Ste 330, Ann Arbor, MI, 48105. Phone: (734) 434-0477. Providers update this record themselves, so call before visiting.

How can I verify Maureen M. Westfall, WHNP's license?

NPPES lists Michigan license number 4704302328, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Maureen M. Westfall, WHNP prescribe under Medicare Part D?

In 2024, Maureen M. Westfall, WHNP had 190 Medicare Part D claims for 46 beneficiaries; the average among obstetrics & gynecology nurse practitioner prescribers was 198. 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.