ADVANCED INTERNAL MEDICINE ASSOCIATES INC
NPI 1194026203
Clinic/Center in Northbrook, IL
About Advanced Internal Medicine Associates Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADVANCED INTERNAL MEDICINE ASSOCIATES INC (NPI 1194026203) is a healthcare organization registered as a clinic/center in Northbrook, Illinois and active in the NPI registry since November 2010. The organization holds a CLIA Waiver certificate valid through January 7, 2028 and lists Mohsina T. Laliwala, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Advanced Internal Medicine Associates Inc 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 Advanced Internal Medicine Associates Inc, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 6 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.
CLIA Laboratory Certificates CMS CLIA
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 14D0413589
Advanced Internal Medicine Associates · Northbrook, 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 Advanced Internal Medicine Associates Inc's NPI number?
The NPI number for Advanced Internal Medicine Associates Inc is 1194026203. It was assigned to this organization in the NPPES registry on November 4, 2010.
Where is Advanced Internal Medicine Associates Inc located?
Advanced Internal Medicine Associates Inc is located at 666 Dundee Rd Ste 802, Northbrook, IL 60062. The listed phone number is (847) 498-1515.
What is Advanced Internal Medicine Associates Inc's specialty?
The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.
Is Advanced Internal Medicine Associates Inc enrolled in Medicare?
Yes. Advanced Internal Medicine Associates Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Advanced Internal Medicine Associates Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 2 Medicare specialties reassign their Medicare billing to Advanced Internal Medicine Associates Inc. 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 (8) and Internal Medicine (2). Of these, 4 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Advanced Internal Medicine Associates Inc hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 14D0413589) is associated with this NPI, valid through January 7, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Advanced Internal Medicine Associates Inc was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Advanced Internal Medicine Associates Inc · NPI 1194026203
Clinic/Center organization in Northbrook, Illinois. Organization record, active in the CMS NPPES registry since November 4, 2010.
## Identity
- **NPI:** 1194026203 (Entity type: Organization)
- **Enumerated:** November 4, 2010
- **Primary specialty:** Clinic/Center · taxonomy 261Q00000X
- **Organization subpart:** No
- **Authorized official:** Mohsina Laliwala, PRESIDENT
## Practice location
- **Address:** 666 DUNDEE RD STE 802, Northbrook, IL 60062-2734
- **Phone:** (847) 498-1515 · **Fax:** (847) 498-2362
## 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: Nurse Practitioner (8), Internal Medicine (2); 4 practice at this address and 6 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 14, 2026
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1194026203) · Data from the CMS NPPES public registry.