OAK STREET HEALTH PHYSICIANS GROUP, PC

NPI 1083051643, organization, Chicago, IL, Clinic/Center, Primary Care

Evidence tier

informational

score 28 of 100, rank 11979, $1K at stake

Paid after the action

Months in which Medicaid paid claims for this provider after a public action that should have triggered a screening check. This is a record of payments, not a determination that they were improper.

list	identity check	action date	window closed	months paid after	first	last	paid after	12 months before
doj admin enforcement record (civil settlement): oak street health agrees to pay $60m to resolve alleged false claims act liability for paying kickbacks to insurance agents in medicare advantage patient recruitment scheme	No NPI on the list; matched by name at high confidence	Sep 18, 2024	still open	1	Oct 2024	Oct 2024	$1K	$4K

National provider registry

From the CMS NPPES Registry, refreshed daily.

Name	OAK STREET HEALTH PHYSICIANS GROUP, PC
Type	Organization
Status	Active
NPI issued	May 22, 2013, last updated July 23, 2025
Practice location	1715 E 95TH ST, Chicago, IL 60617-4708, 773-768-4437
Mailing address	PO BOX 746721, Atlanta, GA 30374-6721
Authorized official	Terrence Morton (Cmo)
Specialties	Internal Medicine (207R00000X) Nurse Practitioner (363L00000X) Nurse Practitioner, Family (363LF0000X) Clinic/Center, Primary Care (261QP2300X, primary, license 036132088 IL)

In this area

226 providers in Cook County, IL carry an indicator in the public record, with $140.8M at stake between them. The most common is part of a provider network, on 112 of them, followed by more hours than a day holds on 92. 17 are tier 1: documented action, then payment.

tier	provider	at stake	why
1	FA 1ST SOLUTIONS Chicago, IL, ranked 21	$43K	Listed on the Medicare revocation list since March 1, 2024. Medicaid still paid claims in 7 later months, $42,753 in total. and 1 more
1	HISHAM SADEK Chicago, IL, ranked 51	$2.0M	Listed on the IN Medicaid exclusion list since July 15, 2015. Medicaid still paid claims in 54 later months, $2,029,469 in total.
1	RAPID HEALTHCARE LABORATORY LLC Elgin, IL, ranked 94	$369K	Listed on the Medicare revocation list since June 4, 2024. Medicaid still paid claims in 1 later month, $368,928 in total.
1	GORDON DENTAL ASSOCIATES, LTD. Olympia Fields, IL, ranked 98	$323K	Listed on the KY Medicaid exclusion list since February 17, 2021. Medicaid still paid claims in 35 later months, $323,243 in total.
1	TAMMY DOBBIN Chicago, IL, ranked 134	$127K	Listed on the Medicare revocation list since November 9, 2021. Medicaid still paid claims in 13 later months, $126,624 in total.
1	KENNETH PELEHAC Oak Lawn, IL, ranked 294	$9K	Listed on the Medicare revocation list since May 13, 2022. Medicaid still paid claims in 1 later month, $8,894 in total.
1	MASTURA ZALWANGO Skokie, IL, ranked 302	$8K	Listed on the Medicare revocation list since September 3, 2022. Medicaid still paid claims in 5 later months, $7,805 in total.
1	WESTERN LABS COMPANY Chicago, IL, ranked 311	$6K	Listed on the Medicare revocation list since February 23, 2023. Medicaid still paid claims in 3 later months, $6,276 in total.

All 226 in IL

Recent enforcement in IL

All releases

Department of Justice and HHS-OIG releases for this state, newest first. Each opens in a new tab.

DOJChargedJun 23, 2026

United States Attorney Andrew S. Boutros Announces Charges Against Two Chicago-Area Defendants as Part of Department of Justice’s National Healthcare Fraud Takedown

Two Chicago-area defendants were charged, one for selling Medicare beneficiary information and providing fake AI-generated consent recordings so laboratories could bill Medicare for over-the-counter Covid-19 test kits that were never requested or provided, and the other for directing the creation of fake medical records and billing Illinois Medicaid for behavioral health counseling and therapy services that were never provided, including for deceased beneficiaries.

DOJConvictedJun 18, 2026

Suburban Chicago Chiropractor Convicted of Healthcare Fraud

A chiropractor submitted fraudulent claims to Blue Cross Blue Shield of Illinois for health care services that were not actually provided and submitted false patient medical records when the insurer attempted to audit the claims.

DOJSentencedJun 10, 2026

Jacksonville Chiropractor Sentenced to a Year in Prison for Healthcare Fraud and Related Offenses

Rondeau submitted more than 2,000 fraudulent claims to health insurance companies and convinced clients to sign false documents after learning he was under investigation.

DOJCivil settlementMay 8, 2026

Three Affiliated Skilled Nursing Facilities to Pay $300,000 to Resolve False Claims Act Allegations Related to Medically Unnecessary Rehabilitation Services

Three affiliated skilled nursing facilities billed Medicare between Jan. 1, 2014, and Sept. 30, 2019, for physical therapy, occupational therapy, and speech pathology services provided to patients for longer than medically necessary and without regard for patients' individual medical needs, resulting in claims based on inflated RUG levels.

DOJIndictedFeb 12, 2026

Two Foreign Nationals Indicted in Chicago as Part of $10 Million Health Care Fraud Scheme

The indictment alleges the defendants used nominee-owned laboratories and durable medical equipment providers to submit fraudulent claims to Medicare and private health care benefit programs for items and services that were not provided, and laundered and transferred proceeds to Pakistan.

Referral packet

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