NPPES file of Aug 9, 2026

Louise McWhirter

Anesthesiology Physician · Grand Rapids, MI

Louise McWhirter is an anesthesiology physician with a practice address in Grand Rapids, Michigan, and NPI 1619514593, issued on Dec 10, 2019. Check the license (Michigan 4301501225, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619514593
Name
Louise McWhirter
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
4301501225 MI
Self-reported in NPPES; status is on the state search
Practice location
100 Michigan St NE, Grand Rapids, MI 49503
Phone
(616) 391-1510
Enumerated
Dec 10, 2019
Record last updated
Jan 15, 2026
Medicare enrollment
Enrolled (PECOS I20200110001669); 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 anesthesiology physician records → All 1,720 in Michigan → Look up another NPI →

Also registered at 100 Michigan St NE

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

  1. Aly Abdel-Mageed, MDPediatric Hematology & Oncology Physician1851361190
  2. Muriam Afzal, MDFamily Medicine Physician1174759906
  3. Shefali Aggarwal, M.DPediatric Critical Care Medicine Physician1720408313
  4. Muhammad Ali Akbar, MDInternal Medicine Physician1518529742
  5. Ghassan Al Nabhan, M.D.Internal Medicine Physician1326458068
  6. Zain AlajjouriEmergency Medicine Physician1366183295

Verify Louise McWhirter 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 4301501225    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Spectrum Health Primary Care PartnersGrand Rapids, MI

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

Louise McWhirter among 1,720 anesthesiology physician records in Michigan

Louise McWhirter is one of 1,720 anesthesiology physician records with a practice address in Michigan. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 88% of them.

  • NPI issued2019 · 88% of these records are older, 9% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2002 · median 2006 among the 1,126 with a school on file
  • Record last updated2026 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in Michigan

There are 1,720 anesthesiology physician records in Michigan.

All 1,720 in Michigan → Every provider in Grand Rapids → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. William Baguley, M.D.Grand Rapids, MI 495031215978002
  2. Rex Fouch, M.D.Grand Rapids, MI 495031376584144
  3. Keith Getz, M.D.Grand Rapids, MI 495031710928585
  4. Sean Growney, DOGrand Rapids, MI 495031720049950
  5. John Huntington, MDGrand Rapids, MI 495031558340380
  6. Shelly Kahler, M.D.Grand Rapids, MI 495031770531022
  7. Matthew Parlmer, DOGrand Rapids, MI 495031801860002
  8. Roxanne Richards, MDGrand Rapids, MI 495031710983226

Common questions

What is Louise McWhirter's NPI number?

Louise McWhirter's National Provider Identifier (NPI) is 1619514593, issued on Dec 10, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Louise McWhirter located?

The NPPES record lists a practice address at 100 Michigan St NE, Grand Rapids, MI, 49503. Phone: (616) 391-1510. Providers update this record themselves, so call before visiting.

How can I verify Louise McWhirter's license?

NPPES lists Michigan license number 4301501225, 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), 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.