OAK STREET HEALTH PHYSICIANS GROUP, PC
NPI 1083051643
Clinic/Center - Primary Care in Chicago, IL

Active since May 22, 2013CLIA 14D2078649 · Waiver
1715 E 95TH ST, CHICAGO, IL 60617(773) 768-4437(773) 564-3515 Get Directions Write a Review

NPPES record last updated: July 23, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 17, 2018, Nov 15, 2017 (2 updates tracked since 2017).

About Oak Street Health Physicians Group, Pc NPPES

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

OAK STREET HEALTH PHYSICIANS GROUP, PC (NPI 1083051643) is a healthcare organization registered as a primary care in Chicago, Illinois and active in the NPI registry since May 2013. The organization holds a CLIA Waiver certificate valid through June 1, 2028 and lists Terrence Morton, Cmo, as its authorized official.

NPPES Registry Identity

NPI1083051643
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameOAK STREET HEALTH PHYSICIANS GROUP, PC
Location Address1715 E 95TH STChicago, IL 60617-4708
Mailing AddressPo Box 746721Atlanta, GA 30374-6721 · (773) 352-1515 · Fax (312) 929-0373
Fax(773) 564-3515
Organization SubpartNo
Authorized OfficialTerrence MortonCmo · (704) 607-4835
Enumeration DateMay 22, 2013
Last NPPES UpdateJuly 23, 20252 updates tracked since enumeration
NPPES CertifiedJuly 23, 2025
✔ NPI 1083051643 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
License✔ Licensed in IL · 036132088
Also ListedInternal MedicineTaxonomy 207R00000X
Also ListedNurse PractitionerTaxonomy 363L00000X
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X
1715 E 95TH ST, Chicago, IL 60617

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oak Street Health Physicians Group, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

361

Medicare enrollment records show 361 clinicians reassign Medicare billing to Oak Street Health Physicians Group, PC, which bills Medicare for the services they deliver. Of these, 34 practice at this address and 115 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 11

Nurse Practitioner169
Family Practice86
Internal Medicine51
Clinical Social Worker34
Podiatry7
Mental Health Counselor5
Hospitalist3
Geriatric Medicine2
3 other specialties4

Nearest to this location (20)

See all 361
Nurse Practitioner
NPI 1437403755
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1821422320
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1396772992
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1811439300
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1366634487
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1801387089
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOS✔ Accepts MedicareSame address
Mental Health Counselor
NPI 1801787395
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1447978887
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOSSame address
Clinical Social Worker
NPI 1093428955
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1639759293
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1285263814
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOS✔ Accepts MedicareSame address
Podiatry
NPI 1407268378
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1508120783
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1134557473
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOSSame address
Clinical Social Worker
NPI 1275764730
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOSSame address
Mental Health Counselor
NPI 1487373809
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOSSame address
Family Practice
NPI 1003445248
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1740048354
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOSSame address
Family Practice
NPI 1073894283
1715 E 95TH ST
Chicago, IL 60617
(773) 768-4437
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1871817643
1715 E 95TH ST
Chicago, IL 60617
(312) 600-8484
✔ PECOSSame address
See all 361 clinicians

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D2078649

Oak Street Health · Chicago, IL
Active · expires Jun 1, 2028
CLIA Number14D2078649
Laboratory TypePhysician Office
Certificate Effective DateJune 2, 2026
Certificate Expiration DateJune 1, 2028
Laboratory DirectorMegan Romine
Laboratory Phone(844) 808-8262
Laboratory LocationOak Street Health1715 E 95th St, Chicago, IL 60617
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

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 Oak Street Health Physicians Group, PC's NPI number?

The NPI number for Oak Street Health Physicians Group, PC is 1083051643. It was assigned to this organization in the NPPES registry on May 22, 2013.

Where is Oak Street Health Physicians Group, PC located?

Oak Street Health Physicians Group, PC is located at 1715 E 95th St, Chicago, IL 60617. The listed phone number is (773) 768-4437.

What is Oak Street Health Physicians Group, PC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

Is Oak Street Health Physicians Group, PC enrolled in Medicare?

Yes. Oak Street Health Physicians Group, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Oak Street Health Physicians Group, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 361 clinicians in 11 Medicare specialties reassign their Medicare billing to Oak Street Health Physicians Group, PC. A 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 the clinician's services. The largest specialties are Nurse Practitioner (169), Family Practice (86) and Internal Medicine (51). Of these, 34 practice at this address and 115 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Oak Street Health Physicians Group, PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D2078649) is associated with this NPI, valid through June 1, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Oak Street Health Physicians Group, PC was last updated on July 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.