Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Matthew Hartsock
School Psychologist in Richmond, CA · enumerated 2026.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1144176876
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Registry record
Entity type Individual (Type 1)
Name Matthew Hartsock
Sex Male
Practice address 719 5th St, Richmond, CA, 94801
Phone (510) 231-1407
Enumeration date Mar 5, 2026
Last updated in NPPES Mar 5, 2026
Taxonomy & licenses
103TS0200X School Psychologist Behavioral Health & Social Service Providers · License 230089071 (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
What is the NPI number for Matthew Hartsock?
The National Provider Identifier (NPI) for Matthew Hartsock is 1144176876, a Type 1 (individual) record in the CMS NPPES registry.
Where does Matthew Hartsock practice?
The practice location on file with NPPES is in Richmond, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-05.