NPPES file of Aug 9, 2026

Tarita O. Thomas, MD, PHD

Radiation Oncology Physician · Chicago, IL

Tarita O. Thomas, MD, PHD is a radiation oncology physician with a practice address in Chicago, Illinois, and NPI 1659572014, issued on May 31, 2007. Check the license (Illinois 036125671, 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
1659572014
Name
Tarita O. Thomas
Credential
MD, PHD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License numbers
036125671 IL
4301503266 MI
Self-reported in NPPES; status is on the state search
Practice location
251 E Huron St Ste LC-178, Chicago, IL 60611
Phone
(312) 926-2520
Enumerated
May 31, 2007
Record last updated
Apr 7, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(312) 926-6374
Medicare enrollment
Enrolled (PECOS I20120810000205); accepts Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 2007
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 251 E Huron St Ste LC-178

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

  1. Laila Gharzai, M.D.Radiation Oncology Physician1003268954
  2. Timothy Sita, MD, PHDRadiation Oncology Physician1700263514

Verify Tarita O. Thomas 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 036125671
    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

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78% fewer Medicare Part D claims than the average radiation oncology physician in 2024

29 Medicare Part D claims for 19 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Tarita Thomas29
  2. Specialty average134

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: $2,549.56

8 payments; by number, the most common kind was food and beverage; the largest payer was Servier Pharmaceuticals LLC. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tarita Thomas$2,549.56
  2. Specialty average$1,897.85

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. Swedishamerican HospitalRockford, IL

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

Radiation Oncology Physician providers in Illinois

There are 277 radiation oncology physician records in Illinois.

Other radiation oncology physician records in Illinois

  1. Mohamed Abazeed, MD, PHDChicago, IL1205096609
  2. Christopher Abraham, MDSpringfield, IL1083900294
  3. Ross Abrams, M.D.Chicago, IL1356317564
  4. Iftekhar Ahmad, M.D.Rockford, IL1164641791
  5. Elke Aippersbach, M.D.,M.SC.,Oak Lawn, IL1285754895
  6. Adil Akthar, M.D.Warrenville, IL1598175531
  7. Neal Andruska, MD, PHDWarrenville, IL1972035798
  8. Sobiya Ansari, M.D.Chicago, IL1336554666
  9. Muzamil Arshad, MD/PHDChicago, IL1518429570
  10. Guhan Arumugam Shanmugasundaram, M.B.B.S.Chicago, IL1023800943

Common questions

What is Tarita O. Thomas, MD, PHD's NPI number?

Tarita O. Thomas, MD, PHD's National Provider Identifier (NPI) is 1659572014, issued on May 31, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Tarita O. Thomas, MD, PHD located?

The NPPES record lists a practice address at 251 E Huron St Ste LC-178, Chicago, IL, 60611. Phone: (312) 926-2520. Providers update this record themselves, so call before visiting.

How can I verify Tarita O. Thomas, MD, PHD's license?

NPPES lists Illinois license number 036125671, 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 Tarita O. Thomas, MD, PHD prescribe under Medicare Part D?

In 2024, Tarita O. Thomas, MD, PHD had 29 Medicare Part D claims for 19 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.