Insight Chicago, Inc.
NPI 1881261006 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Insight Chicago, Inc. is a Internal Medicine Physician organization in Chicago, IL (NPI 1881261006).
Provider details
- NPI number
- 1881261006
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Nadir Ijaz, Ceo(810) 275-9333
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Anesthesiology Physician207L00000X
Allopathic & Osteopathic Physicians
- Family Medicine Physician207Q00000X
Allopathic & Osteopathic Physicians
- Cardiovascular Disease Physician207RC0000X
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- Gastroenterology Physician207RG0100X
Allopathic & Osteopathic Physicians
- Nephrology Physician207RN0300X
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Insight Hospital & Medical Center Chicago
- Doing business as
- Insight Hospital & Medical Center Chicago
Registry dates
- Enumerated
- 2021-06-07
- Last updated
- 2021-06-25
- Certified
- 2021-06-25
Frequently asked questions
- What is Insight Chicago, Inc.'s NPI number?
- Insight Chicago, Inc.'s National Provider Identifier (NPI) is 1881261006, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Insight Chicago, Inc.?
- Insight Chicago, Inc. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Insight Chicago, Inc. located?
- Insight Chicago, Inc.'s practice location on file with NPPES is 2525 S Michigan Ave, Chicago, IL 60616-2315.
- What is Insight Chicago, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Insight Chicago, Inc. is (312) 567-2000.
- Does Insight Chicago, Inc. accept Medicare?
- Insight Chicago, Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Insight Chicago, Inc.?
- The authorized official listed on Insight Chicago, Inc.'s NPPES record is Nadir Ijaz, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Insight Chicago, Inc.'s NPI active?
- Yes — Insight Chicago, Inc.'s NPI (1881261006) is active in the NPPES registry as of the last update on 2021-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.