Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Deborah Jean Stack, PHD
Psychologist in Hartford, CT · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1023195864
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Registry record
Entity type Individual (Type 1)
Name Dr. Deborah Jean Stack
Credential PHD
Sex Female
Practice address 682 Prospect Avenue, Hartford, CT, 06105
Phone (860) 258-6065
Fax (860) 232-5077
Enumeration date Nov 1, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
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 |
|---|---|---|---|
| 060001238CT01 | Other | CT | BCBS |
| HAS394 | Other | CT | OXFORD |
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 Deborah Stack?
The National Provider Identifier (NPI) for Deborah Stack is 1023195864, a Type 1 (individual) record in the CMS NPPES registry.
Where does Deborah Stack practice?
The practice location on file with NPPES is in Hartford, CT. 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 2007-07-08.