Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Charles Johnson, PHD
Psychologist in Phila, PA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1225078066
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Registry record
Entity type Individual (Type 1)
Name Charles Johnson
Credential PHD
Sex Male
Practice address 1401 S 4th St, Phila, PA, 19147
Phone (215) 339-1079
Enumeration date Jun 8, 2006
Last updated in NPPES Jul 13, 2026
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License PS003915 (PA) Primary
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 Johnson?
The National Provider Identifier (NPI) for Charles Johnson is 1225078066, a Type 1 (individual) record in the CMS NPPES registry.
Where does Charles Johnson practice?
The practice location on file with NPPES is in Phila, PA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Michel Bien-Aime Psychiatry Physician · Phila, PA NPI 1225084411 Diane Lackey Social Worker · Phila, PA NPI 1679529762 George Timbers Clinical Social Worker · Phila, PA NPI 1487600789 Maggie Lyons-Johnson Counselor · Phila, PA NPI 1689614422 Clarence Verdell Psychiatry Physician · Philadelphia, PA NPI 1649206376 Christos Ballas Psychiatry Physician · Philadelphia, PA NPI 1629005673 Ledro Justice Child & Adolescent Psychiatry Physician · Philadelphia, PA NPI 1306948526 Richard Saul Psychiatry Physician · Philadelphia, PA NPI 1447317631
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-13.