Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Christopher Ray Williams, PA-C
Physician Assistant in Fontana, CA · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1396992939
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Registry record
Entity type Individual (Type 1)
Name Mr. Christopher Ray Williams
Credential PA-C
Sex Male
Practice address 16465 Sierra Lakes Pkwy, Suite 300, Fontana, CA, 92336
Phone (909) 429-2864
Enumeration date Aug 26, 2008
Last updated in NPPES Aug 26, 2008
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA19866 (CA) 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
Where does Christopher Williams practice?
The practice location on file with NPPES is in Fontana, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Christopher Williams?
The National Provider Identifier (NPI) for Christopher Williams is 1396992939, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Muhammad Mowjood Family Medicine Physician · Fontana, CA NPI 1851389464 Kyle Smart Family Medicine Physician · Fontana, CA NPI 1821030057 Maged Ibrahim Pediatrics Physician · Fontana, CA NPI 1306852934 Ashapurimaa Inc Community/Retail Pharmacy · Fontana, CA NPI 1275627671 Uzma Ali Specialist · Fontana, CA NPI 1376629261 Kathryn Lin Pediatrics Physician · Fontana, CA NPI 1033267943 Alav Medical Corporation Family Medicine Physician · Fontana, CA NPI 1104016468 Diana Nam Pediatrics Physician · Fontana, CA NPI 1184884819
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-08-26.