Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Timothy Brian Williams, PA-C
Physician Assistant in Munster, IN · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1558613547
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Registry record
Entity type Individual (Type 1)
Name Mr. Timothy Brian Williams
Credential PA-C
Sex Male
Practice address 9900 Columbia Ave, Munster, IN, 46321
Phone (219) 924-3300
Fax (219) 922-5424
Enumeration date Oct 15, 2012
Last updated in NPPES Feb 13, 2025
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 99053959A (IN) Secondary
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 10001471A (IN) Primary
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.
Frequently asked questions
Is NPI 1558613547 active?
Yes, as of the latest NPPES snapshot, NPI 1558613547 is active (record last updated 2025-02-13).
How do I verify Timothy Williams's NPI record?
Cross-check NPI 1558613547 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-02-13.