Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Joseph Gualtieri, PH. D.
Clinical Psychologist in Mclean, VA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1194868174
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Registry record
Entity type Individual (Type 1)
Name Dr. John Joseph Gualtieri
Credential PH. D.
Sex Male
Practice address 1515 Chain Bridge Rd, Suite G14, Mclean, VA, 22101
Phone (703) 790-8111
Enumeration date Feb 15, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 0810001429 (VA) 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 |
|---|---|---|---|
| 22656 | Other | VA | ALLIANCE PPO |
| A839 0001 | Other | VA | CAREFIRST BCBS |
| 090799 | Other | VA | ANTHEM |
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 John Gualtieri?
The National Provider Identifier (NPI) for John Gualtieri is 1194868174, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Gualtieri practice?
The practice location on file with NPPES is in Mclean, VA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.