ADVOCATE MEDICAL GROUP
NPI 1487951711
Internal Medicine - Cardiovascular Disease in Chicago, IL
About Advocate Medical Group NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADVOCATE MEDICAL GROUP (NPI 1487951711) is a healthcare organization registered as a cardiovascular disease in Chicago, Illinois and active in the NPI registry since February 2011. The organization holds 2 active CLIA laboratory certificates and lists Ian D Stewart, Vp Business Systems, Finance, Ops, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
Group Practice 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 Medical Group 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 Medical Group, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 754 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 4,860Chicago, IL 60657
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 2
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 14D2343090
Advocate Medical Group - Dental Clinic · Chicago, ILCertificate for Provider-Performed Microscopy Procedures (PPMP) 14D1073659
Advocate Medical Group Chicago Urogyne · Chicago, ILFrequently 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 Corp.'s NPI number?
The NPI number for Advocate Health And Hospitals Corp. is 1487951711. It was assigned to this organization in the NPPES registry on February 23, 2011. The provider is doing business as Advocate Medical Group.
Where is Advocate Health And Hospitals Corp. located?
Advocate Health And Hospitals Corp. is located at 3118 N Ashland Ave, Chicago, IL 60657. The listed phone number is (773) 880-9722.
What is Advocate Health And Hospitals Corp.'s specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Advocate Health And Hospitals Corp. enrolled in Medicare?
Yes. Advocate Health And Hospitals Corp. is registered in the Medicare PECOS enrollment system.
When is Advocate Health And Hospitals Corp.'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 And Hospitals Corp.?
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 Corp.. 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, 1 practice at this address and 754 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Advocate Health And Hospitals Corp. hold CLIA laboratory certificates?
Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.
When was this NPI record last updated?
The NPPES record for Advocate Health And Hospitals Corp. was last updated on February 23, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Advocate Medical Group · NPI 1487951711
Cardiovascular Disease organization in Chicago, Illinois. Organization record, active in the CMS NPPES registry since February 23, 2011.
## Identity
- **NPI:** 1487951711 (Entity type: Organization)
- **Enumerated:** February 23, 2011
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **Legal business name:** Advocate Health And Hospitals Corp.
- **Organization subpart:** Yes (part of Advocate Health And Hospitals Corp.)
- **Authorized official:** Ian Stewart, VP BUSINESS SYSTEMS, FINANCE, OPS
## Practice location
- **Address:** 3118 N ASHLAND AVE, Chicago, IL 60657-3014
- **Phone:** (773) 880-9722 · **Fax:** (773) 880-9723
## 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); 1 practice at this address and 754 within 10 miles; [full list](https://npiprofile.com/npi/1487951711/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 23, 2011
- **CLIA laboratory certificates:** 2 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1487951711) · Data from the CMS NPPES public registry.