William Faber, M.D.
Family Medicine Physician · Chicago, IL
William Faber, M.D. is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1992739981, issued on Jul 10, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Faber
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- Practice location
- 4025 N Western Ave, Chicago, IL 60618
- Phone
- (773) 275-7700
- Enumerated
- Jul 10, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 4025 N Western Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lucila AvilaFamily Nurse Practitioner1215348073
- Kaitlyn Beltrame, RDN, LDNRegistered Dietitian1467191981
- George Czajkowski, M.D.Internal Medicine Physician1821021007
- Desiree Fabros-Munez, M.D.Internal Medicine Physician1609800697
Verify William Faber in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1,593 family medicine physician records list a practice address in Chicago
They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,593 in Chicago → All 6,215 in Illinois → Every provider in Chicago →
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Common questions
What is William Faber, M.D.'s NPI number?
William Faber, M.D.'s National Provider Identifier (NPI) is 1992739981, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Faber, M.D. located?
The NPPES record lists a practice address at 4025 N Western Ave, Chicago, IL, 60618. Phone: (773) 275-7700. Providers update this record themselves, so call before visiting.
How can I verify William Faber, M.D.'s license?
Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.