Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Frank Warren III, PH.D., PA-C
Psychologist in Winston-Salem, NC · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1073577060
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. John Frank Warren III
Credential PH.D., PA-C
Sex Male
Practice address 840 W 4th St, Winston-Salem, NC, 27101
Phone (336) 773-0900
Fax (336) 773-0097
Enumeration date Apr 14, 2006
Last updated in NPPES Jul 13, 2026
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
What is the NPI number for John Warren?
The National Provider Identifier (NPI) for John Warren is 1073577060, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Warren practice?
The practice location on file with NPPES is in Winston-Salem, NC. 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 2026-07-13.