Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Thu Dan Thi Pham, PH.D.
Psychologist in Stockton, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1114131737
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Registry record
Entity type Individual (Type 1)
Name Dr. Thu Dan Thi Pham
Credential PH.D.
Sex Female
Practice address 1305 Tommydon St, Stockton, CA, 95210
Phone (209) 476-5256
Fax (209) 476-3528
Enumeration date May 10, 2007
Last updated in NPPES Jan 11, 2022
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License PSY 21326 (CA) Primary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD 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
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 Thu Pham?
Thu Pham is registered in NPPES with the primary taxonomy of Psychologist. 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 2022-01-11.