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DR. THOMAS COURVILLE YATES MD
NPI 1861920779
Internal Medicine in Chicago, IL

Active since May 23, 2017PECOS EnrolledAccepts Medicare Assignment
5841 S MARYLAND AVE # 7082, CHICAGO, IL 60637(773) 702-1000 Get Directions Write a Review

NPPES record last updated: August 11, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 11, 2025, May 23, 2017 (2 updates tracked since 2017).

About Dr. Thomas Courville Yates Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THOMAS COURVILLE YATES MD (NPI 1861920779) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036.153306) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and is a graduate of Wake Forest University School Of Medicine (2017).

NPPES Registry Identity

NPI1861920779
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. THOMAS COURVILLE YATESCredential: MD
Location Address5841 S MARYLAND AVE # 7082Chicago, IL 60637-1447
Mailing Address150 Harvester Dr Ste 300Burr Ridge, IL 60527-5965 · (773) 702-1150
Phone(773) 702-1000
Sole ProprietorNo
Medical School CMSWake Forest University School Of MedicineGraduated 2017
Enumeration DateMay 23, 2017
Last NPPES UpdateAugust 11, 20252 updates tracked since enumeration
NPPES CertifiedAugust 11, 2025
✔ NPI 1861920779 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036.153306
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
5841 S MARYLAND AVE # 7082, Chicago, IL 60637
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas Courville Yates Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4981974136
PECOS Enrollment IDI20210224001071
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Thomas Yates reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The University Of Chicago Medical Center
Same address
General Acute Care Hospital
5841 S MARYLAND AVE
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 1,905 clinicians in this Medicare group
NPI 1033218128 (773) 702-1530
University Of Chicago
Same address
Multi-Specialty
5841 S MARYLAND AVE, UCPG/MC 1099
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 2,237 clinicians in this Medicare group
NPI 1821048786 (773) 702-9200
Saint Anthony Health Affiliates
5.3 mi
Multi-Specialty
4192 S ARCHER AVE
Chicago, IL 60632
  • Reassigned Medicare billing, Illinois enrollment
  • 210 clinicians in this Medicare group
NPI 1295757771 (773) 254-2222
Lawndale Christian Health Center
6.7 mi
Federally Qualified Health Center (FQHC)
3256 W 24TH ST
Chicago, IL 60623
  • Reassigned Medicare billing, Illinois enrollment
  • 147 clinicians in this Medicare group
NPI 1154598282 (773) 843-3000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
27 services14 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
15 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

The University Of Chicago Medical Center

Acute Care Hospitals · Chicago, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140088
Location5841 South MarylandChicago, IL 60637 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60637 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CARLOS ALPHONSE ZAVALA MD
Hospitalist
5841 S MARYLAND AVE # 7082
CHICAGO, IL 60637
Cook County (773) 702-6840
MS. ARETHA BOAKYE-DONKOR MD
Internal Medicine
5841 S MARYLAND AVE # 7082
CHICAGO, IL 60637
Cook County (773) 702-6840
DR. FAWSIA OSMAN MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
5841 S MARYLAND AVE # 7082
CHICAGO, IL 60637
Cook County (773) 702-6840
FIONA LUTOLLI MD
Internal Medicine
5841 S MARYLAND AVE # 7082
CHICAGO, IL 60637
Cook County (773) 702-6840
DR. MELANIE MARTEL MD
Student in an Organized Health Care Education/Training Program
5841 S MARYLAND AVE # 7082
CHICAGO, IL 60637
Cook County (773) 702-6840
LAUREN MARIE CIULLA MD
Internal Medicine
5841 S MARYLAND AVE # 7082
CHICAGO, IL 60637
Cook County (773) 702-6840
DIVYA PATEL MD
Student in an Organized Health Care Education/Training Program
5841 S MARYLAND AVE # 7082
CHICAGO, IL 60637
Cook County (773) 702-6840
LOGAN BROWN MS
Student in an Organized Health Care Education/Training Program
5841 S MARYLAND AVE # 7082
CHICAGO, IL 60637
Cook County (773) 702-6840

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Yates's NPI number?

The NPI number for Thomas Yates is 1861920779. It was assigned to this individual provider in the NPPES registry on May 23, 2017.

Where is Thomas Yates located?

Thomas Yates practices at 5841 S Maryland Ave # 7082, Chicago, IL 60637. The listed phone number is (773) 702-1000.

What is Thomas Yates's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Thomas Yates enrolled in Medicare?

Yes. Thomas Yates is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Thomas Yates's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Yates reassigns Medicare benefits to 4 organizations: The University Of Chicago Medical Center (Chicago, IL), University Of Chicago (Chicago, IL), Saint Anthony Health Affiliates (Chicago, IL) and Lawndale Christian Health Center (Chicago, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Yates's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Thomas Yates affiliated with any hospitals?

According to CMS data, Thomas Yates is affiliated with The University Of Chicago Medical Center.

When was this NPI record last updated?

The NPPES record for Thomas Yates was last updated on August 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.