NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Jennifer Ruth Chapman, PH.D.

Psychologist in Austin, TX · enumerated 2007 · practices at Arrillaga Psychological Services PC.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1942339288

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Registry record

Entity type Individual (Type 1)
Name Dr. Jennifer Ruth Chapman
Credential PH.D.
Sex Female
Practice address Austin, TX, 78756
Phone (512) 323-0825
Enumeration date Mar 4, 2007
Last updated in NPPES Apr 12, 2009

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License 32372 (TX) Primary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Other identifiers

Identifier Type State Issuer
0061LJ Other TX BCBSTX PROVIDER NUMBER

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.

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Frequently asked questions

What is the NPI number for Jennifer Chapman?
The National Provider Identifier (NPI) for Jennifer Chapman is 1942339288, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jennifer Chapman practice?
The practice location on file with NPPES is in Austin, TX. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-04-12.