NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

William C Malik, M.D.

Orthopaedic Surgery Physician in Streator, IL · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1710901798

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Registry record

Entity type Individual (Type 1)
Name William C Malik
Credential M.D.
Sex Male
Practice address Streator, IL, 61364
Fax (815) 672-0936
Enumeration date Jul 26, 2006
Last updated in NPPES Sep 11, 2013

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 036059723 (IL) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
036059723 Medicaid IL -
02201538 Other IL BLUE SHIELD

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for William Malik?
The National Provider Identifier (NPI) for William Malik is 1710901798, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Malik practice?
The practice location on file with NPPES is in Streator, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-09-11.