Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Joy Lynn Richardson
Social Worker in Concord, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1063582203
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Registry record
Entity type Individual (Type 1)
Name Joy Lynn Richardson
Sex Female
Practice address 1034 Oak Grove Rd, Concord, CA, 94518
Phone (925) 603-1900
Enumeration date Nov 8, 2006
Last updated in NPPES Jul 25, 2007
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License ASW19831 (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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Joy Richardson?
Joy Richardson is registered in NPPES with the primary taxonomy of Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-25.