Kathryn M. Thomas, MD
Dermatology Physician · Elmhurst, IL
Kathryn M. Thomas, MD is a dermatology physician with a practice address in Elmhurst, Illinois, and NPI 1528019692, issued on May 13, 2006. Check the license (Illinois 036092936, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Kathryn M. Thomas
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 036092936 IL
Self-reported in NPPES; status is on the state search - Practice location
- 172 Schiller St, Elmhurst, IL 60126
- Phone
- (331) 221-9005
- Enumerated
- May 13, 2006
- Record last updated
- Jun 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (331) 221-2305
- Medicare enrollment
- Enrolled (PECOS I20100617000311); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1992
- Entity
- Type 1 · individual
Also registered at 172 Schiller St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jonathan Littman, MDFamily Medicine Physician1649221714
- Maelen Pantano, MDInternal Medicine Physician1023068152
- Ada Rahn, MDInternal Medicine Physician1154377059
Verify Kathryn M. Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036092936Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average dermatology physician in 2024
2,489 Medicare Part D claims for 759 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Triamcinolone Acetonide303 claims
- Ketoconazole212 claims
- Doxycycline Hyclate185 claims
- Clobetasol Propionate163 claims
- Imiquimod116 claims
- Metronidazole114 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): 91.4 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,099.16
78 payments; by number, the most common kind was food and beverage; the largest payer was Dermavant Sciences, 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.
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
- Endeavor Health Medical GroupElmhurst, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dermatology Physician providers in Illinois
There are 647 dermatology physician records in Illinois.
Other dermatology physician records in Illinois
- Kelly Abate, M.D.New Lenox, IL1528141116
- Cynthia Abban, MD/PHDGurnee, IL1841556735
- Nadine Abouchaleh, MDSchaumburg, IL1265173736
- Melissa Abrams, M.D.Vernon Hills, IL1023284635
- Beth Adams, M.D.Chicago, IL1376751255
- Sarah Adams, MDChicago, IL1366784910
- Ademola Adeoshun, MDOak Lawn, IL1609579812
- Oyinade Aderibigbe, M.D.Chicago, IL1366823544
- Motunrayo Adisa, M.DKenilworth, IL1326229121
- Prachi AggarwalChicago, IL1770129751
Common questions
What is Kathryn M. Thomas, MD's NPI number?
Kathryn M. Thomas, MD's National Provider Identifier (NPI) is 1528019692, issued on May 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn M. Thomas, MD located?
The NPPES record lists a practice address at 172 Schiller St, Elmhurst, IL, 60126. Phone: (331) 221-9005. Providers update this record themselves, so call before visiting.
How can I verify Kathryn M. Thomas, MD's license?
NPPES lists Illinois license number 036092936, 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 Kathryn M. Thomas, MD prescribe under Medicare Part D?
In 2024, Kathryn M. Thomas, MD had 2,489 Medicare Part D claims for 759 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Kathryn M. Thomas, MD's MIPS final score?
The 2023 MIPS final score is 91.4 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.