Riya Thomas
Family Medicine Physician · Chicago, IL
Riya Thomas is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1457841231, issued on May 16, 2018. Check the license (Illinois 036156870, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Riya Thomas
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036156870 IL
Self-reported in NPPES; status is on the state search - Practice location
- 8425 S Cottage Grove Ave, Chicago, IL 60619
- Phone
- (773) 846-3000
- Enumerated
- May 16, 2018
- Record last updated
- Mar 26, 2025
- Fax
- (844) 211-6501
- Medicare enrollment
- Enrolled (PECOS I20210924000229); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2018
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Verify Riya 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 036156870Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
37 Medicare Part D claims for 22 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Tca Health Inc NfpChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Riya Thomas among 6,215 family medicine physician records in Illinois
Riya Thomas is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 75% of them.
- NPI issued2018 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2018 · median 2006 among the 3,714 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,593 family medicine physician records list a practice address in Chicago
They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Chicago → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nailah Cash-O'Bannon, M.DChicago, IL 606191144755323
- Shankar Das, M.D.Chicago, IL 606191316060965
- Victoria Hooker, MDChicago, IL 606191538800685
- Dominique Johnson, DOChicago, IL 606191386218147
- Ila Shah, MDChicago, IL 606191861420713
- Steven Smith, MDChicago, IL 606191114360013
- Julie Taylor, M.D.Chicago, IL 606191205986486
- Aliyah AhmedChicago, IL 606181548899123
Common questions
What is Riya Thomas's NPI number?
Riya Thomas's National Provider Identifier (NPI) is 1457841231, issued on May 16, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Riya Thomas located?
The NPPES record lists a practice address at 8425 S Cottage Grove Ave, Chicago, IL, 60619. Phone: (773) 846-3000. Providers update this record themselves, so call before visiting.
How can I verify Riya Thomas's license?
NPPES lists Illinois license number 036156870, 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 Riya Thomas prescribe under Medicare Part D?
In 2024, Riya Thomas had 37 Medicare Part D claims for 22 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.