CS PACS 3 IL, S.C.
NPI 1598577124
Hospitalist in Park Ridge, IL
About Cs Pacs 3 Il, S.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CS PACS 3 IL, S.C. (NPI 1598577124) is a healthcare organization registered as a hospitalist in Park Ridge, Illinois and active in the NPI registry since January 2025. The organization lists Elmer Choi, Owner/president/director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 5
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)
Cs Pacs 3 Il, S.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
44Medicare enrollment records show 44 clinicians reassign Medicare billing to Cs Pacs 3 Il, S.C., which bills Medicare for the services they deliver. Of these, 9 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 7
Nearest to this location (20)
See all 44Chicago, IL 60610
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 Cs Pacs 3 Il, S.C.'s NPI number?
The NPI number for Cs Pacs 3 Il, S.C. is 1598577124. It was assigned to this organization in the NPPES registry on January 21, 2025.
Where is Cs Pacs 3 Il, S.C. located?
Cs Pacs 3 Il, S.C. is located at 1001 N Greenwood Ave, Park Ridge, IL 60068. The listed phone number is (847) 692-5600.
What is Cs Pacs 3 Il, S.C.'s specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Cs Pacs 3 Il, S.C. enrolled in Medicare?
Yes. Cs Pacs 3 Il, S.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Cs Pacs 3 Il, S.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 44 clinicians in 7 Medicare specialties reassign their Medicare billing to Cs Pacs 3 Il, S.C.. 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 (19), Internal Medicine (9) and Clinical Psychologist (6). Of these, 9 practice 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 Cs Pacs 3 Il, S.C. was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Cs Pacs 3 Il, S.c. · NPI 1598577124
Hospitalist organization in Park Ridge, Illinois. Organization record, active in the CMS NPPES registry since January 21, 2025.
## Identity
- **NPI:** 1598577124 (Entity type: Organization)
- **Enumerated:** January 21, 2025
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **Organization subpart:** No
- **Authorized official:** Elmer Choi, OWNER/PRESIDENT/DIRECTOR
## Practice location
- **Address:** 1001 N GREENWOOD AVE, Park Ridge, IL 60068-2054
- **Phone:** (847) 692-5600
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 44 clinicians in 7 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (19), Internal Medicine (9), Clinical Psychologist (6); 9 practice within 10 miles; [full list](https://npiprofile.com/npi/1598577124/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 16, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1598577124) · Data from the CMS NPPES public registry.