Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Toni Walker, PHD
Psychologist in Houston, TX · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1477332831
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Registry record
Entity type Individual (Type 1)
Name Toni Walker
Credential PHD
Sex Female
Practice address 1200 Congress St, Houston, TX, 77002
Phone (713) 222-4255
Enumeration date Sep 25, 2023
Last updated in NPPES Sep 25, 2023
Taxonomy & licenses
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
Where does Toni Walker practice?
The practice location on file with NPPES is in Houston, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Toni Walker?
The National Provider Identifier (NPI) for Toni Walker is 1477332831, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-09-25.