NPPES file of Aug 9, 2026

Walter Liszewski, MD

Dermatology Physician · Chicago, IL

Walter Liszewski, MD is a dermatology physician with a practice address in Chicago, Illinois, and NPI 1033505243, issued on Apr 14, 2015. Check the license (Illinois 036.149833, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033505243
Name
Walter Liszewski
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License numbers
036.149833 IL
62406 MN
Self-reported in NPPES; status is on the state search
Practice location
676 N Saint Clair St Ste 1600, Chicago, IL 60611
Phone
(312) 695-8106
Enumerated
Apr 14, 2015
Record last updated
Jul 29, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190808001792); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 2015
Telehealth
Offers telehealth (CMS)
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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Also registered at 676 N Saint Clair St Ste 1600

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

  1. Sarah Adams, MDDermatology Physician1366784910
  2. Sepideh Asadbeigi, MDDermatopathology Physician1073041455
  3. Lu Chen, M.D.Dermatology Physician1124445077
  4. Raj Chovatiya, M.D., PH.D.Dermatology Physician1487001822
  5. Lauren Clarke, MDDermatology Physician1083226898
  6. Karishma DaftaryDermatology Physician1174144612

Verify Walter Liszewski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036.149833
    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 Illinois 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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17% more Medicare Part D claims than the average dermatology physician in 2024

933 Medicare Part D claims for 342 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Walter Liszewski933
  2. Specialty average797

Most prescribed

  1. Ketoconazole173 claims
  2. Triamcinolone Acetonide149 claims
  3. Minoxidil61 claims
  4. Clobetasol Propionate54 claims
  5. Ciclopirox39 claims
  6. Tacrolimus36 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.

The MIPS final score for 2023 (Medicare payment program): 94.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $66,308.44

91 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Walter Liszewski$66,308
  2. Specialty average$8,545

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. Northwestern Medical Faculty FoundationChicago, IL

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

Walter Liszewski among 647 dermatology physician records in Illinois

Walter Liszewski, MD is one of 647 dermatology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 65% of them.

  • NPI issued2015 · 65% of these records are older, 31% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2015 · median 2008 among the 440 with a school on file
  • Record last updated2019 · 47% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in Illinois

There are 647 dermatology physician records in Illinois.

The 8 dermatology physician records with the nearest ZIP codes

  1. Joaquin Brieva, MDChicago, IL 606111003875741
  2. William Caro, M.D.Chicago, IL 606111316007875
  3. Brian Cook, M.D.Chicago, IL 606111588669683
  4. Quenby Erickson, D.OChicago, IL 606111558356410
  5. Nancy Furey, MDChicago, IL 606111528044567
  6. Pedram Gerami, MDChicago, IL 606111619908043
  7. Roopal Kundu, MDChicago, IL 606111548299795
  8. Anne Laumann, MDChicago, IL 606111174568588

Common questions

What is Walter Liszewski, MD's NPI number?

Walter Liszewski, MD's National Provider Identifier (NPI) is 1033505243, issued on Apr 14, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Walter Liszewski, MD located?

The NPPES record lists a practice address at 676 N Saint Clair St Ste 1600, Chicago, IL, 60611. Phone: (312) 695-8106. Providers update this record themselves, so call before visiting.

How can I verify Walter Liszewski, MD's license?

NPPES lists Illinois license number 036.149833, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Walter Liszewski, MD prescribe under Medicare Part D?

In 2024, Walter Liszewski, MD had 933 Medicare Part D claims for 342 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Walter Liszewski, MD's MIPS final score?

The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.