NPPES file of Aug 9, 2026

Elizabeth Mata-Thimm, MD

Dermatology Physician · Chicago, IL

Elizabeth Mata-Thimm, MD is a dermatology physician with a practice address in Chicago, Illinois, and NPI 1316636723, issued on May 2, 2023. Check the license (Illinois 125084992, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316636723
Name
Elizabeth Mata-Thimm
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License number
125084992 IL
Self-reported in NPPES; status is on the state search
Practice location
1950 W Polk St FL 4, Chicago, IL 60612
Phone
(312) 864-4480
Enumerated
May 2, 2023
Record last updated
Jul 18, 2024
Fax
(234) 405-3808
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.
Download card Updates feed

Also registered at 1950 W Polk St FL 4

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

  1. Tina Hsu, MDDermatology Physician1871156893
  2. Subuhi Kaul, MDDermatology Physician1326600099
  3. Vesna Petronic-Rosic, MDDermatopathology Physician1285796730

Verify Elizabeth Mata-Thimm 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 125084992
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

86% fewer Medicare Part D claims than the average dermatology physician in 2024

110 Medicare Part D claims for 47 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Elizabeth Mata-Thimm110
  2. Specialty average797

Most prescribed

  1. Triamcinolone Acetonide19 claims
  2. Fluocinonide11 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: $810.60

12 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, 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. Elizabeth Mata-Thimm$810.60
  2. Specialty average$8,544.61

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

Elizabeth Mata-Thimm among 647 dermatology physician records in Illinois

Elizabeth Mata-Thimm, 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 2023, is newer than 92% of them.

  • NPI issued2023 · 92% of these records are older, 5% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2024 · 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. Hina Ahmad, M.D.Chicago, IL 606121376709154
  2. Iris Aronson, MDChicago, IL 606121629153614
  3. Jerry Feldman, M.D.Chicago, IL 606121962577676
  4. Ralph Fiore, D.OChicago, IL 606121770524043
  5. Claudia Hernandez, MDChicago, IL 606121417018136
  6. Carlotta HillChicago, IL 606121598864142
  7. Milena Lyon, M.D.Chicago, IL 606121053512491
  8. Shilpa Mehta, M.D.Chicago, IL 606121407162530

Common questions

What is Elizabeth Mata-Thimm, MD's NPI number?

Elizabeth Mata-Thimm, MD's National Provider Identifier (NPI) is 1316636723, issued on May 2, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Mata-Thimm, MD located?

The NPPES record lists a practice address at 1950 W Polk St FL 4, Chicago, IL, 60612. Phone: (312) 864-4480. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Mata-Thimm, MD's license?

NPPES lists Illinois license number 125084992, 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 Elizabeth Mata-Thimm, MD prescribe under Medicare Part D?

In 2024, Elizabeth Mata-Thimm, MD had 110 Medicare Part D claims for 47 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.

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.