Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Patrick C Williams, PA
Physician Assistant in Olympia, WA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1245391390
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Registry record
Entity type Individual (Type 1)
Name Mr. Patrick C Williams
Credential PA
Sex Male
Practice address 500 Lilly Rd Ne, Suite 204, Olympia, WA, 98506
Phone (360) 413-8250
Fax (360) 413-8830
Enumeration date Dec 13, 2006
Last updated in NPPES Dec 29, 2014
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA60434156 (WA) Primary
PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program.
About the PA credential
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
What is the NPI number for Patrick Williams?
The National Provider Identifier (NPI) for Patrick Williams is 1245391390, a Type 1 (individual) record in the CMS NPPES registry.
Where does Patrick Williams practice?
The practice location on file with NPPES is in Olympia, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → David Schoening Cardiovascular Disease Physician · Olympia, WA NPI 1871594325 William Gavin Cardiovascular Disease Physician · Olympia, WA NPI 1285635730 William Brennan Cardiovascular Disease Physician · Olympia, WA NPI 1487655858 Robert Wark Clinical Cardiac Electrophysiology Physician · Olympia, WA NPI 1730181769 James Kruidenier Gastroenterology Physician · Olympia, WA NPI 1497736573 William Mitchell Specialist · Olympia, WA NPI 1114908852 Robert Tomford Nephrology Physician · Olympia, WA NPI 1073596078 South Sound Pulmonary Associates Specialist · Olympia, WA NPI 1790768547
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-12-29.