ADVOCATE HEALTH & HOSPITALS CORPORATION
NPI 1912936014
Clinic/Center - Medical Specialty in Oak Lawn, IL
About Advocate Health & Hospitals Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADVOCATE HEALTH & HOSPITALS CORPORATION (NPI 1912936014), doing business as Advocate Christ Medical Group, is a healthcare organization registered as a medical specialty in Oak Lawn, Illinois and active in the NPI registry since July 2006. The organization lists Kara Richardson, Vp Managed Health, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Advocate Health & Hospitals Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by October 31, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
4,860Medicare enrollment records show 4,860 clinicians reassign Medicare billing to Advocate Health & Hospitals Corporation, which bills Medicare for the services they deliver. Of these, 612 practice at this address and 1,217 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 69
Nearest to this location (20)
See all 4,860Oak Lawn, IL 60453
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 & Hospitals Corporation's NPI number?
The NPI number for Advocate Health & Hospitals Corporation is 1912936014. It was assigned to this organization in the NPPES registry on July 1, 2006. The provider is doing business as Advocate Christ Medical Group.
Where is Advocate Health & Hospitals Corporation located?
Advocate Health & Hospitals Corporation is located at 4440 W 95th St, Oak Lawn, IL 60453. The listed phone number is (847) 390-5900.
What is Advocate Health & Hospitals Corporation's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Medical Specialty, with taxonomy code 261QM2500X.
Is Advocate Health & Hospitals Corporation enrolled in Medicare?
Yes. Advocate Health & Hospitals Corporation is registered in the Medicare PECOS enrollment system.
When is Advocate Health & Hospitals Corporation's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Illinois, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Advocate Health & 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 & 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, 612 practice at this address and 1,217 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 & 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.
# Advocate Health & Hospitals Corporation · NPI 1912936014
Medical Specialty organization in Oak Lawn, Illinois. Organization record, active in the CMS NPPES registry since July 1, 2006.
## Identity
- **NPI:** 1912936014 (Entity type: Organization)
- **Enumerated:** July 1, 2006
- **Primary specialty:** Clinic/Center - Medical Specialty · taxonomy 261QM2500X
- **Also known as:** Advocate Christ Medical Group (Doing Business As)
- **Organization subpart:** Yes (part of Advocate Health & Hospitals Corporation)
- **Authorized official:** Kara Richardson, VP MANAGED HEALTH
## Practice location
- **Address:** 4440 W 95TH ST, Oak Lawn, IL 60453-2600
- **Phone:** (847) 390-5900 · **Fax:** (847) 390-5450
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** October 31, 2026 (Non-DME Part B, Illinois, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 4,860 clinicians in 69 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (935), Internal Medicine (472), Family Practice (432); 612 practice at this address and 1,217 within 10 miles; [full list](https://npiprofile.com/npi/1912936014/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1912936014) · Data from the CMS NPPES public registry.