NPPES file of Aug 9, 2026

Michael Gui

Dermatology Physician · Madison, WI

Michael Gui is a dermatology physician with a practice address in Madison, Wisconsin, and NPI 1457105942, issued on Apr 12, 2024. Check the license (Wisconsin 100859851, 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
1457105942
Name
Michael Gui
Primary taxonomy
Dermatology Physician 207N00000X
License number
100859851 WI
Self-reported in NPPES; status is on the state search
Practice location
UW Hospitals & Clinics 600 Highland Ave, Madison, WI 53792
Phone
(608) 263-6400
Enumerated
Apr 12, 2024
Record last updated
Jun 11, 2025
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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8 nearest dermatology physician records → All 325 in Wisconsin → Look up another NPI →

Also registered at UW Hospitals & Clinics 600 Highland Ave

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

  1. Ibrahim AbdallaDiagnostic Radiology Physician1467266809
  2. Jaeger Ackerman, MDPsychiatry Physician1578192589
  3. Luis Alamo IrizarryPlastic and Reconstructive Surgery Physician1235639410
  4. Obioma Amajoyi, M.D.Orthopaedic Surgery Physician1447516018
  5. Ryan Anderson, MDPsychiatry Physician1427801430
  6. Carlos Arreola Aldape, MDNeurology Physician1427733039

Verify Michael Gui in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 100859851    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

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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95% fewer Medicare Part D claims than the average dermatology physician in 2024

41 Medicare Part D claims for 23 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.

  1. Michael Gui41
  2. Specialty average797

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.

Michael Gui among 325 dermatology physician records in Wisconsin

Michael Gui is one of 325 dermatology physician records with a practice address in Wisconsin. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 98% of them.

  • NPI issued2024 · 98% of these records are older, under 1% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2025 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in Wisconsin

There are 325 dermatology physician records in Wisconsin.

All 325 in Wisconsin → Every provider in Madison → Dermatology Physician nationwide →

The 8 dermatology physician records with the nearest ZIP codes

  1. Michael Christopher, M.D.Madison, WI 537921477932796
  2. Jeanette Comstock, MDMadison, WI 537921013476381
  3. Jacqueline Cooper, MDMadison, WI 537921487119798
  4. Swati Garg, MDMadison, WI 537921174179394
  5. John Moon, MDMadison, WI 537921164162855
  6. Traci Pawlitschek, MDMadison, WI 537921003379488
  7. Jon Peebles, M.D.Madison, WI 537921144563313
  8. Andrew Poggemiller, MDMadison, WI 537921093381808

Common questions

What is Michael Gui's NPI number?

Michael Gui's National Provider Identifier (NPI) is 1457105942, issued on Apr 12, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Michael Gui located?

The NPPES record lists a practice address at UW Hospitals & Clinics 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-6400. Providers update this record themselves, so call before visiting.

How can I verify Michael Gui's license?

NPPES lists Wisconsin license number 100859851, 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 Gui prescribe under Medicare Part D?

In 2024, Michael Gui had 41 Medicare Part D claims for 23 beneficiaries; the average among dermatology physician prescribers was 797. 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.