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Najib Chaljub, M.D.
NPI 1508867821 · Family Medicine Physician · Chicago, IL
Najib Chaljub, M.D. is a Family Medicine Physician provider in Chicago, IL (NPI 1508867821).
Provider details
- NPI number
- 1508867821
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
83% 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
3758 W Chicago Ave
Chicago, IL 60651-3823
Phone: (773) 235-0626
Street-level locationGet directions
Mailing address
520 E 22nd St
Lombard, IL 60148-6110
Registry dates
- Enumerated
- 2005-08-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Najib Chaljub's NPI number?
- Najib Chaljub's National Provider Identifier (NPI) is 1508867821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Najib Chaljub's specialty?
- Najib Chaljub is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Najib Chaljub located?
- Najib Chaljub's practice location on file with NPPES is 3758 W Chicago Ave, Chicago, IL 60651-3823.
- What is Najib Chaljub's phone number?
- The practice phone number listed in the NPPES registry for Najib Chaljub is (773) 235-0626.
- Is Najib Chaljub's NPI active?
- Yes — Najib Chaljub's NPI (1508867821) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.