IndividualActive
William Faber, M.D.
NPI 1992739981 · Family Medicine Physician · Chicago, IL
William Faber, M.D. is a Family Medicine Physician provider in Chicago, IL (NPI 1992739981).
Provider details
- NPI number
- 1992739981
- 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
19 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
4025 N Western Ave
Chicago, IL 60618-3726
Phone: (773) 275-7700
Street-level locationGet directions
Mailing address
2311 W 22nd St
Oak Brook, IL 60523-1225
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Faber's NPI number?
- William Faber's National Provider Identifier (NPI) is 1992739981, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Faber's specialty?
- William Faber is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Faber located?
- William Faber's practice location on file with NPPES is 4025 N Western Ave, Chicago, IL 60618-3726.
- What is William Faber's phone number?
- The practice phone number listed in the NPPES registry for William Faber is (773) 275-7700.
- Is William Faber's NPI active?
- Yes — William Faber's NPI (1992739981) 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.