ADVOCATE INTENSIVIST PARTNERS
NPI 1629441027
Internal Medicine - Critical Care Medicine in Oak Lawn, IL

Active since November 06, 2015
4440 W 95TH ST, OAK LAWN, IL 60453(708) 684-5015(708) 520-1820 Get Directions Write a Review

NPPES record last updated: January 18, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 18, 2022, Feb 4, 2020, Dec 11, 2015 (3 updates tracked since 2015).

About Advocate Intensivist Partners NPPES

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

ADVOCATE INTENSIVIST PARTNERS (NPI 1629441027) is a healthcare organization registered as a critical care medicine in Oak Lawn, Illinois and active in the NPI registry since November 2015. The organization lists Michael Ries, President, as its authorized official.

NPPES Registry Identity

NPI1629441027
Entity TypeOrganization
Primary Taxonomy207RC0200X
Legal Business NameADVOCATE HEALTH AND HOSPITALS CORPORATION
Location Address4440 W 95TH STOak Lawn, IL 60453-2600
Mailing Address28592 Network PlChicago, IL 60673-1285 · (800) 655-2656 · Fax (412) 822-7411
Fax(708) 520-1820
Organization SubpartNo
Authorized OfficialMichael RiesPresident · (708) 684-8000
Enumeration DateNovember 6, 2015
Last NPPES UpdateJanuary 18, 20223 updates tracked since enumeration
NPPES CertifiedJanuary 18, 2022
✔ NPI 1629441027 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedInternal MedicineTaxonomy 207R00000X
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X
4440 W 95TH ST, Oak Lawn, IL 60453

Other Names 1

Doing Business AsAdvocate Intensivist Partners

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)

Advocate Intensivist Partners is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

158

Medicare enrollment records show 158 clinicians reassign Medicare billing to Advocate Intensivist Partners, which bills Medicare for the services they deliver. Of these, 57 practice at this address and 80 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 10

Nurse Practitioner58
Critical Care (Intensivists)48
Pulmonary Disease20
Emergency Medicine7
Neurology7
Internal Medicine6
General Surgery5
Anesthesiology3
2 other specialties4

Nearest to this location (20)

See all 158
Nurse Practitioner
NPI 1619739448
4440 W 95TH ST
Oak Lawn, IL 60453
(708) 684-8000
✔ PECOS✔ Accepts MedicareSame address
Critical Care (Intensivists)
NPI 1902292493
4440 W 95TH ST
Oak Lawn, IL 60453
(708) 684-8000
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1447716501
4440 W 95TH ST
Oak Lawn, IL 60453
(708) 283-5500
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1205272960
4440 WEST 95TH STREET
Chicago, IL 60673
(708) 283-5500
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1467849513
4440 W. 95TH STREET, SUITE AIP
Chicago, IL 60453
(219) 677-7866
✔ PECOS✔ Accepts MedicareSame address
Pulmonary Disease
NPI 1215390521
4440 W 95TH ST
Oak Lawn, IL 60453
(800) 655-2656
✔ PECOS✔ Accepts MedicareSame address
Critical Care (Intensivists)
NPI 1164088423
4440 W 95TH ST
Oak Lawn, IL 60453
(800) 655-2656
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1235835869
4440 W 95TH ST STE 183
Oak Lawn, IL 60453
(708) 684-4393
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1619602505
4440 W 95TH ST STE 6409
Oak Lawn, IL 60453
(877) 684-4327
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology
NPI 1770978777
4440W 95TH ST
Oak Lawn, IL 60453
(708) 684-5673
✔ PECOS✔ Accepts MedicareSame address
Critical Care (Intensivists)
NPI 1174043277
4440 W 95TH ST STE AIP
Oak Lawn, IL 60453
(219) 677-7866
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1114416146
4440 W 95TH ST
Oak Lawn, IL 60453
(708) 684-5375
✔ PECOS✔ Accepts MedicareSame address
Critical Care (Intensivists)
NPI 1487141735
4440 W 95TH ST STE AIP
Oak Lawn, IL 60453
(708) 283-5500
✔ PECOS✔ Accepts MedicareSame address
Cardiovascular Disease (Cardiology)
NPI 1083147573
4440 W 95TH ST STE AIP
Oak Lawn, IL 60453
(800) 655-2656
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1649661943
4440 W 95TH ST
Oak Lawn, IL 60453
(708) 684-5926
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1053817429
4440 W 95TH ST
Oak Lawn, IL 60453
(708) 283-5500
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology
NPI 1396803144
4440 W 95TH ST
Oak Lawn, IL 60453
(708) 283-5500
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1982015079
4440 W 95TH ST
Oak Lawn, IL 60453
(708) 283-5500
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1477796167
4440 W 95TH ST
Oak Lawn, IL 60453
(708) 684-8000
✔ PECOS✔ Accepts MedicareSame address
General Surgery
NPI 1487689816
4400 W 95TH ST
Oak Lawn, IL 60453
(708) 684-8000
✔ PECOS✔ Accepts MedicareSame address
See all 158 clinicians

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

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 Advocate Health And Hospitals Corporation's NPI number?

The NPI number for Advocate Health And Hospitals Corporation is 1629441027. It was assigned to this organization in the NPPES registry on November 6, 2015. The provider is doing business as Advocate Intensivist Partners.

Where is Advocate Health And Hospitals Corporation located?

Advocate Health And Hospitals Corporation is located at 4440 W 95th St, Oak Lawn, IL 60453. The listed phone number is (708) 684-5015.

What is Advocate Health And Hospitals Corporation's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Advocate Health And Hospitals Corporation enrolled in Medicare?

Yes. Advocate Health And Hospitals Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Advocate Health And Hospitals Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 158 clinicians in 10 Medicare specialties reassign their Medicare billing to Advocate Health And Hospitals Corporation. 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 (58), Critical Care (Intensivists) (48) and Pulmonary Disease (20). Of these, 57 practice at this address and 80 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Advocate Health And Hospitals Corporation was last updated on January 18, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.