NPPES file of Aug 9, 2026

Katherine Elizabeth Kondratuk, MD

Pediatric Dermatology Physician · Milwaukee, WI

Katherine Elizabeth Kondratuk, MD is a pediatric dermatology physician with a practice address in Milwaukee, Wisconsin, and NPI 1639632359, issued on Apr 9, 2019. Check the license (Wisconsin 84262-20, 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
1639632359
Name
Katherine Elizabeth Kondratuk
Credential
MD
Primary taxonomy
Pediatric Dermatology Physician 207NP0225X
License number
84262-20 WI
Self-reported in NPPES; status is on the state search
Practice location
9000 W Wisconsin Ave, Milwaukee, WI 53226
Phone
(414) 266-6431
Enumerated
Apr 9, 2019
Record last updated
Sep 24, 2024
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 9000 W Wisconsin Ave

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

  1. Lynn Abad-Santos, APNPPediatric Nurse Practitioner1184675696
  2. Steven AbramowskiPediatric Nurse Practitioner1871118802
  3. Thomas Abshire, MDPediatric Hematology & Oncology Physician1730249681
  4. Elham Abushanab, M.D.Neurology with Special Qualifications in Child Neurology Physician1306392634
  5. Samuel Adams, M.D.Neurology with Special Qualifications in Child Neurology Physician1972947224
  6. Adeleye Afolayan, M.DNeonatal-Perinatal Medicine Physician1760649776

Verify Katherine Elizabeth Kondratuk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 84262-20
    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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93% fewer Medicare Part D claims than the average pediatric dermatology physician in 2024

17 Medicare Part D claims for 12 beneficiaries, against an average of 258 among the 104 providers of this specialty who prescribed in Part D.

  1. Katherine Kondratuk17
  2. Specialty average258

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: $22.78

1 payment: food and beverage; the largest payer was Lilly USA, LLC. The 158 providers of this specialty with any payment received $17,739.76 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Kondratuk$23
  2. Specialty average$17,740

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

Pediatric Dermatology Physician providers in Wisconsin

There are 7 pediatric dermatology physician records in Wisconsin.

The 6 pediatric dermatology physician records with the nearest ZIP codes

  1. Valerie Carlberg, M.D.Wauwatosa, WI 532261396181525
  2. Kristen Holland, MDMilwaukee, WI 532261427001155
  3. Leah Lalor, MDMilwaukee, WI 532261538451554
  4. Linda Rabinowitz, MDMilwaukee, WI 532261730132598
  5. Valerie Lyon, MDGlendale, WI 532121215980941
  6. Sheila Galbraith, MDEau Claire, WI 547011659322519

Common questions

What is Katherine Elizabeth Kondratuk, MD's NPI number?

Katherine Elizabeth Kondratuk, MD's National Provider Identifier (NPI) is 1639632359, issued on Apr 9, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Elizabeth Kondratuk, MD located?

The NPPES record lists a practice address at 9000 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 266-6431. Providers update this record themselves, so call before visiting.

How can I verify Katherine Elizabeth Kondratuk, MD's license?

NPPES lists Wisconsin license number 84262-20, 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 Katherine Elizabeth Kondratuk, MD prescribe under Medicare Part D?

In 2024, Katherine Elizabeth Kondratuk, MD had 17 Medicare Part D claims for 12 beneficiaries; the average among pediatric dermatology physician prescribers was 258. 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.