NPPES file of Aug 9, 2026

Mary H. Pak, MD

Hospitalist Physician · Madison, WI

Mary H. Pak, MD is a hospitalist physician with a practice address in Madison, Wisconsin, and NPI 1427024595, issued on Feb 27, 2006. Check the license (Wisconsin 42804, 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
1427024595
Name
Mary H. Pak
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
42804 WI
Self-reported in NPPES; status is on the state search
Practice location
600 Highland Ave, Madison, WI 53792
Phone
(608) 263-7500
Enumerated
Feb 27, 2006
Record last updated
Mar 13, 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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Also registered at 600 Highland Ave

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

  1. Michael AabergSurgery Physician1346991064
  2. Carrah Aadrik, CRNACertified Registered Nurse Anesthetist1326423286
  3. Daniel Abbott, MDSurgical Oncology Physician1750412615
  4. Alaa Abd-ElsayedPain Medicine Physician1194967703
  5. Safiyya Abdulkadir, MDRheumatology Physician1093455826
  6. Edwin Abel, M.D.Urology Physician1083800510

Verify Mary H. Pak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 42804
    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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98% fewer Medicare Part D claims than the average hospitalist physician in 2024

13 Medicare Part D claims, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Mary Pak13
  2. Specialty average521

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.

Mary H. Pak among 894 hospitalist physician records in Wisconsin

Mary H. Pak, MD is one of 894 hospitalist physician records with a practice address in Wisconsin. 91% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 81% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileNo · 86% of these records are
  • Record last updated2025 · 29% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Wisconsin

There are 894 hospitalist physician records in Wisconsin.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Sarah Ahrens, MDMadison, WI 537921497796924
  2. Romeo Barakeh, MDMadison, WI 537921205863503
  3. Ellen Barbouche, MDMadison, WI 537921467429167
  4. Bartho Caponi, M.D.Madison, WI 537921326006743
  5. Ann Curtis, MDMadison, WI 537921669585295
  6. David Gaus, MDMadison, WI 537921639284631
  7. Edward Lalik, D.O.Madison, WI 537921790770857
  8. Scott Mead, MDMadison, WI 537921528034568

Common questions

What is Mary H. Pak, MD's NPI number?

Mary H. Pak, MD's National Provider Identifier (NPI) is 1427024595, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary H. Pak, MD located?

The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-7500. Providers update this record themselves, so call before visiting.

How can I verify Mary H. Pak, MD's license?

NPPES lists Wisconsin license number 42804, 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 Mary H. Pak, MD prescribe under Medicare Part D?

In 2024, Mary H. Pak, MD had 13 Medicare Part D claims; the average among hospitalist physician prescribers was 521. 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.

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.