GREAT LAKES EMERGENCY PHYSICIANS MEDICAL GROUP SC
NPI 1689212581
Emergency Medicine in Chicago, IL
About Great Lakes Emergency Physicians Medical Group Sc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREAT LAKES EMERGENCY PHYSICIANS MEDICAL GROUP SC (NPI 1689212581) is a healthcare organization registered as an emergency medicine in Chicago, Illinois and active in the NPI registry since December 2019. The organization lists Steven Peter Maron, Md, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Great Lakes Emergency Physicians Medical Group Sc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
24Medicare enrollment records show 24 clinicians reassign Medicare billing to Great Lakes Emergency Physicians Medical Group Sc, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 13 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 6
Nearest to this location (20)
See all 24Chicago, IL 60629
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 Great Lakes Emergency Physicians Medical Group Sc's NPI number?
The NPI number for Great Lakes Emergency Physicians Medical Group Sc is 1689212581. It was assigned to this organization in the NPPES registry on December 11, 2019.
Where is Great Lakes Emergency Physicians Medical Group Sc located?
Great Lakes Emergency Physicians Medical Group Sc is located at 7531 S Stony Island Ave, Chicago, IL 60649. The listed phone number is (773) 947-7500.
What is Great Lakes Emergency Physicians Medical Group Sc's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Great Lakes Emergency Physicians Medical Group Sc enrolled in Medicare?
Yes. Great Lakes Emergency Physicians Medical Group Sc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Great Lakes Emergency Physicians Medical Group Sc?
According to the CMS Revalidation Reassignment List (October 2026 release), 24 clinicians in 6 Medicare specialties reassign their Medicare billing to Great Lakes Emergency Physicians Medical Group Sc. 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 Emergency Medicine (10), Nurse Practitioner (8) and Family Practice (3). Of these, 2 practice at this address and 13 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 Great Lakes Emergency Physicians Medical Group Sc was last updated on November 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Great Lakes Emergency Physicians Medical Group Sc · NPI 1689212581
Emergency Medicine organization in Chicago, Illinois. Organization record, active in the CMS NPPES registry since December 11, 2019.
## Identity
- **NPI:** 1689212581 (Entity type: Organization)
- **Enumerated:** December 11, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **Organization subpart:** No
- **Authorized official:** Steven Maron, MD
## Practice location
- **Address:** 7531 S STONY ISLAND AVE, Chicago, IL 60649-3954
- **Phone:** (773) 947-7500
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 24 clinicians in 6 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Emergency Medicine (10), Nurse Practitioner (8), Family Practice (3); 2 practice at this address and 13 within 10 miles; [full list](https://npiprofile.com/npi/1689212581/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 30, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1689212581) · Data from the CMS NPPES public registry.