ADVOCATE HEALTH AND HOSPITALS CORPORATION
NPI 1700824455
Clinic/Center - Multi-Specialty in Oak Brook, IL

Active since June 03, 2006
2025 WINDSOR DR, OAK BROOK, IL 60523(847) 390-5900(847) 390-5450 Get Directions Write a Review

NPPES record last updated: January 28, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 28, 2026, Feb 21, 2025, Dec 2, 2024 and 3 more (6 updates tracked since 2017).

About Advocate Health And Hospitals Corporation NPPES

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

ADVOCATE HEALTH AND HOSPITALS CORPORATION (NPI 1700824455), doing business as Advocate Medical Group, is a healthcare organization registered as a multi-specialty in Oak Brook, Illinois and active in the NPI registry since June 2006. The organization lists Kara Richardson, Vp Managed Health, as its authorized official.

NPPES Registry Identity

NPI1700824455
Entity TypeOrganization
Primary Taxonomy261QM1300X
Legal Business NameADVOCATE HEALTH AND HOSPITALS CORPORATION
Location Address2025 WINDSOR DROak Brook, IL 60523-1586
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900 · Fax (847) 390-5450
Fax(847) 390-5450
Organization SubpartYes
Authorized OfficialKara RichardsonVp Managed Health · (980) 416-4068
Enumeration DateJune 3, 2006
Last NPPES UpdateJanuary 28, 20266 updates tracked since enumeration
NPPES CertifiedJanuary 28, 2026
✔ NPI 1700824455 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Multi-SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM1300X
2025 WINDSOR DR, Oak Brook, IL 60523

Other Names 1

Doing Business AsAdvocate Medical Group

Accepted Insurance

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 Health And Hospitals Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4,860

Medicare enrollment records show 4,860 clinicians reassign Medicare billing to Advocate Health And Hospitals Corporation, which bills Medicare for the services they deliver. Of these, 366 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 69

Nurse Practitioner935
Internal Medicine472
Family Practice432
Pediatric Medicine396
Emergency Medicine302
Anesthesiology294
Diagnostic Radiology211
Obstetrics/Gynecology191
61 other specialties1,627

Nearest to this location (20)

See all 4,860
Nurse Practitioner
NPI 1336501824
903 COMMERCE DR STE 333
Oak Brook, IL 60523
(708) 246-3627
✔ PECOS✔ Accepts Medicare0.9 mi
Physical Therapist in Private Practice
NPI 1811722788
1001 COMMERCE DR STE 600
Oak Brook, IL 60523
(630) 933-1500
✔ Accepts Medicare1.0 mi
Advanced Heart Failure and Transplant Cardiology
NPI 1760696314
133 E BRUSH HILL RD SUITE # 202
Elmhurst, IL 60126
(630) 782-4050
✔ PECOS✔ Accepts Medicare1.1 mi
Nurse Practitioner
NPI 1427325208
155 E BRUSH HILL RD B3204
Elmhurst, IL 60126
(331) 221-0288
✔ PECOS1.1 mi
Emergency Medicine
NPI 1730324450
155 E BRUSH HILL RD
Elmhurst, IL 60126
(331) 221-0200
✔ PECOS✔ Accepts Medicare1.2 mi
Anesthesiology
NPI 1427016674
155 E. BRUSH HILL RD. DEPARTMENT OF ANESTHESIA
Elmhurst, IL 60126
(331) 221-3521
✔ PECOS✔ Accepts Medicare1.2 mi
Diagnostic Radiology
NPI 1245626183
155 E BRUSH HILL RD
Elmhurst, IL 60126
(331) 221-5420
✔ PECOS✔ Accepts Medicare1.2 mi
Cardiovascular Disease (Cardiology)
NPI 1104872944
133 E BRUSH HILL RD SUITE 202
Elmhurst, IL 60126
(630) 782-4050
✔ PECOS1.3 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1619251980
1301 W 22ND ST SUITE 610
Oak Brook, IL 60523
(630) 537-1720
✔ PECOS✔ Accepts Medicare1.3 mi
Interventional Cardiology
NPI 1659500601
133 E BRUSH HILL RD STE 202
Elmhurst, IL 60126
(331) 231-6200
✔ PECOS✔ Accepts Medicare1.3 mi
Cardiac Electrophysiology
NPI 1518910306
133 E BRUSH HILL RD STE 202
Elmhurst, IL 60126
(331) 231-6200
✔ PECOS✔ Accepts Medicare1.3 mi
Obstetrics/Gynecology
NPI 1497928873
360 W BUTTERFIELD RD SUITE 250
Elmhurst, IL 60126
(630) 832-4210
✔ PECOS✔ Accepts Medicare1.5 mi
Critical Care (Intensivists)
NPI 1639259740
911 N ELM ST SUITE 102
Hinsdale, IL 60521
(630) 495-9356
✔ PECOS✔ Accepts Medicare2.1 mi
Interventional Radiology
NPI 1992896732
911 N ELM ST 128
Hinsdale, IL 60521
(630) 856-7460
✔ PECOS✔ Accepts Medicare2.1 mi
Hematology/Oncology
NPI 1790846525
1 SALT CREEK LN
Hinsdale, IL 60521
(630) 286-5500
✔ PECOS2.2 mi
Pediatric Medicine
NPI 1902112188
908 N ELM ST STE 309
Hinsdale, IL 60521
(847) 490-4222
✔ PECOS2.2 mi
Internal Medicine
NPI 1063660652
2 TRANSAM PLAZA DR STE 450
Oakbrook Terrace, IL 60181
(630) 785-3115
✔ PECOS✔ Accepts Medicare3.2 mi
Pulmonary Disease
NPI 1265413454
1901 S MEYERS RD STE 410B
Oakbrook Terrace, IL 60181
(630) 634-9340
✔ PECOS3.3 mi
Family Practice
NPI 1992142483
135 N OAK ST
Hinsdale, IL 60521
(630) 856-8900
✔ PECOS✔ Accepts Medicare3.3 mi
Physical Therapist in Private Practice
NPI 1518829472
639 BLACKHAWK DR
Westmont, IL 60559
(630) 368-1535
✔ Accepts Medicare3.5 mi
See all 4,860 clinicians

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.

Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811
A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.
262 services251 patients
Sleep study in sleep lab (6 years or older) 95810
A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.
190 services184 patients

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 1700824455. It was assigned to this organization in the NPPES registry on June 3, 2006. The provider is doing business as Advocate Medical Group.

Where is Advocate Health And Hospitals Corporation located?

Advocate Health And Hospitals Corporation is located at 2025 Windsor Dr, Oak Brook, IL 60523. The listed phone number is (847) 390-5900.

What is Advocate Health And Hospitals Corporation's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

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), 4,860 clinicians in 69 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 (935), Internal Medicine (472) and Family Practice (432). Of these, 366 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Advocate Health And Hospitals Corporation accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Advocate Health And Hospitals Corporation as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Advocate Health And Hospitals Corporation was last updated on January 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.