OrganizationActive
Northwestern Internists, Ltd
NPI 1891709259 · Internal Medicine Physician · Chicago, IL
Provider details
- NPI number
- 1891709259
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- James Pekarek, Practice Administrator(312) 335-1133
- License
- 207R00000X (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
676 N Saint Clair St
Suite 415
Chicago, IL 60611-2927
Phone: (312) 335-1133
Fax: (312) 335-9774
Street-level locationGet directions
Mailing address
676 N Saint Clair St
Chicago, IL 60611-2927
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2013-01-14
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.