NORTHWEST INFECTIOUS DISEASE CONSULTANTS, S.C.
NPI 1194775221
Internal Medicine - Infectious Disease in Niles, IL
About Northwest Infectious Disease Consultants, S.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NORTHWEST INFECTIOUS DISEASE CONSULTANTS, S.C. (NPI 1194775221) is a healthcare organization registered as an infectious disease in Niles, Illinois and active in the NPI registry since May 2006. The organization lists Robert J. Citronberg, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
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)
Northwest Infectious Disease Consultants, S.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
10Medicare enrollment records show 10 clinicians reassign Medicare billing to Northwest Infectious Disease Consultants, S.C., which bills Medicare for the services they deliver. Of these, 2 practice at this address and 5 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 2
Clinicians, nearest first (10)
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 Northwest Infectious Disease Consultants, S.C.'s NPI number?
The NPI number for Northwest Infectious Disease Consultants, S.C. is 1194775221. It was assigned to this organization in the NPPES registry on May 11, 2006.
Where is Northwest Infectious Disease Consultants, S.C. located?
Northwest Infectious Disease Consultants, S.C. is located at 7900 N Milwaukee Ave Suite 231, Niles, IL 60714. The listed phone number is (847) 663-9400.
What is Northwest Infectious Disease Consultants, S.C.'s specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Northwest Infectious Disease Consultants, S.C. enrolled in Medicare?
Yes. Northwest Infectious Disease Consultants, S.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Northwest Infectious Disease Consultants, S.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 2 Medicare specialties reassign their Medicare billing to Northwest Infectious Disease Consultants, 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 Infectious Disease (9) and Internal Medicine (1). Of these, 2 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Northwest Infectious Disease Consultants, S.C. accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Northwest Infectious Disease Consultants, S.C. 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 Northwest Infectious Disease Consultants, S.C. was last updated on December 8, 2010. 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.
# Northwest Infectious Disease Consultants, S.c. · NPI 1194775221
Infectious Disease organization in Niles, Illinois. Organization record, active in the CMS NPPES registry since May 11, 2006.
## Identity
- **NPI:** 1194775221 (Entity type: Organization)
- **Enumerated:** May 11, 2006
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **Organization subpart:** No
- **Authorized official:** Robert Citronberg, PRESIDENT
## Practice location
- **Address:** 7900 N MILWAUKEE AVE, SUITE 231, Niles, IL 60714-3159
- **Phone:** (847) 663-9400
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 10 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Infectious Disease (9), Internal Medicine (1); 2 practice at this address and 5 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 8, 2010
- **Other identifiers:** Medicare ID-Type Unspecified 598720 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1194775221) · Data from the CMS NPPES public registry.