Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Charles Jonathan Ahr, PHD
Psychologist in Raleigh, NC · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1740249234
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Registry record
Entity type Individual (Type 1)
Name Charles Jonathan Ahr
Credential PHD
Sex Male
Practice address 3019 Falstaff Rd, Raleigh, NC, 27610
Phone (919) 250-7000
Fax (919) 250-7159
Enumeration date Mar 22, 2006
Last updated in NPPES Aug 27, 2008
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 Charles Ahr?
The National Provider Identifier (NPI) for Charles Ahr is 1740249234, a Type 1 (individual) record in the CMS NPPES registry.
Where does Charles Ahr practice?
The practice location on file with NPPES is in Raleigh, NC. 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 2008-08-27.