NPPES file of Aug 9, 2026

Michael F. Maguire, M.D.

Critical Care Medicine (Internal Medicine) Physician · Appleton, WI

Michael F. Maguire, M.D. is a critical care medicine (internal medicine) physician with a practice address in Appleton, Wisconsin, and NPI 1124186721, issued on Dec 5, 2006. Check the license (Wisconsin 36569-020, as entered in NPPES) on the Wisconsin Medical Examining Board; 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
1124186721
Name
Michael F. Maguire
Credential
M.D.
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License numbers
36569-020 WI
36569 WI
Self-reported in NPPES; status is on the state search
Practice location
2500 E Capitol Drive, Appleton, WI 54911
Phone
(920) 734-9600
Enumerated
Dec 5, 2006
Record last updated
Apr 14, 2026
Fax
(920) 734-4773
Medicaid ID
32116400 WI
Medicare enrollment
Enrolled (PECOS I20050510001157); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 1989
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 critical care medicine (internal medicine) physician records → All 134 in Wisconsin → Look up another NPI →

Also registered at 2500 E Capitol Drive

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

  1. Charissa Williams, APNPFamily Nurse Practitioner1700426079

Verify Michael F. Maguire in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 36569-020    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 Wisconsin license search

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91% more Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024

1,329 Medicare Part D claims for 221 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims. 11 claims were for opioids.

  1. Michael Maguire1,329
  2. Specialty average696

Most prescribed

  1. Albuterol Sulfate Hfa182 claims
  2. Montelukast Sodium147 claims
  3. Trelegy Ellipta119 claims
  4. Breo Ellipta88 claims
  5. Anoro Ellipta77 claims
  6. Prednisone74 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: $13.13

1 payment: food and beverage; the largest payer was Inspire Medical Systems, Inc. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Maguire$13.13
  2. Specialty average$2,958.68

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Fox Valley Pulmonary Medicine SCNeenah, WI

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

Michael F. Maguire among 134 critical care medicine (internal medicine) physician records in Wisconsin

Michael F. Maguire, M.D. is one of 134 critical care medicine (internal medicine) physician records with a practice address in Wisconsin. 89% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 70% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated1989 · median 2008 among the 108 with a school on file
  • Record last updated2026 · 32% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in Wisconsin

There are 134 critical care medicine (internal medicine) physician records in Wisconsin.

All 134 in Wisconsin → Every provider in Appleton → Critical Care Medicine (Internal Medicine) Physician nationwide →

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Laurin Bellg, MDAppleton, WI 549111073542221
  2. Abigail Brownell, DOAppleton, WI 549111386225399
  3. Tiffany MillerAppleton, WI 549111821594276
  4. Jennifer Minor, M.D.Appleton, WI 549111851745103
  5. Leigh Mae Provencher, M.D.Appleton, WI 549111063949741
  6. Jennifer Roberts, MDAppleton, WI 549111770658890
  7. Stephen Taylor, M.D.Appleton, WI 549111881751329
  8. Femi Ayanrino, MDAppleton, WI 549151619962180

Common questions

What is Michael F. Maguire, M.D.'s NPI number?

Michael F. Maguire, M.D.'s National Provider Identifier (NPI) is 1124186721, issued on Dec 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael F. Maguire, M.D. located?

The NPPES record lists a practice address at 2500 E Capitol Drive, Appleton, WI, 54911. Phone: (920) 734-9600. Providers update this record themselves, so call before visiting.

How can I verify Michael F. Maguire, M.D.'s license?

NPPES lists Wisconsin license number 36569-020, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael F. Maguire, M.D. prescribe under Medicare Part D?

In 2024, Michael F. Maguire, M.D. had 1,329 Medicare Part D claims for 221 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.