Thomas Courville Yates, MD
Internal Medicine Physician · Chicago, IL
Thomas Courville Yates, MD is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1861920779, issued on May 23, 2017. Check the license (Illinois 036.153306, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Thomas Courville Yates
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036.153306 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5841 S Maryland Ave # 7082, Chicago, IL 60637
- Phone
- (773) 702-1000
- Enumerated
- May 23, 2017
- Record last updated
- Aug 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20210224001071); accepts Medicare assignment
- Medical or professional school
- Wake Forest University School Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 5841 S Maryland Ave # 7082
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thomas Courville Yates 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 036.153306Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average internal medicine physician in 2024
572 Medicare Part D claims for 61 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 26 claims were for opioids.
Most prescribed
- Atorvastatin Calcium48 claims
- Amlodipine Besylate38 claims
- Hydrocodone-Acetaminophen23 claims
- Lisinopril23 claims
- Albuterol Sulfate Hfa21 claims
- Metformin Hcl20 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.
3 hospitals and group practices
- The University OF Chicago Medical CenterChicago, IL · Acute Care Hospitals4 of 5 stars
- Lawndale Christian Health CenterChicago, IL
- University OF ChicagoChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Thomas Courville Yates among 7,238 internal medicine physician records in Illinois
Thomas Courville Yates, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 64% of them.
- NPI issued2017 · 64% of these records are older, 34% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2017 · median 2003 among the 3,580 with a school on file
- Record last updated2025 · 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 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
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Common questions
What is Thomas Courville Yates, MD's NPI number?
Thomas Courville Yates, MD's National Provider Identifier (NPI) is 1861920779, issued on May 23, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Courville Yates, MD located?
The NPPES record lists a practice address at 5841 S Maryland Ave # 7082, Chicago, IL, 60637. Phone: (773) 702-1000. Providers update this record themselves, so call before visiting.
How can I verify Thomas Courville Yates, MD's license?
NPPES lists Illinois license number 036.153306, 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 Thomas Courville Yates, MD prescribe under Medicare Part D?
In 2024, Thomas Courville Yates, MD had 572 Medicare Part D claims for 61 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.