Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Christopher Stack, PSY.D.
Psychologist in Coalinga, CA · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1396242855
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Registry record
Entity type Individual (Type 1)
Name Dr. Christopher Stack
Credential PSY.D.
Sex Male
Practice address 24511 W Jayne Ave, Coalinga, CA, 93210
Phone (559) 934-3075
Enumeration date Apr 11, 2018
Last updated in NPPES Apr 11, 2018
Taxonomy & licenses
PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice.
About the PSYD 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 Christopher Stack practice?
The practice location on file with NPPES is in Coalinga, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Christopher Stack?
The National Provider Identifier (NPI) for Christopher Stack is 1396242855, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-04-11.