Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Charles V Callahan, PHD

Individual provider Cognitive & Behavioral Psychologist · NPI 1497823553

Charles V Callahan, PHD is a Cognitive & Behavioral Psychologist in West Hempstead, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

287 Maple St
West Hempstead, NY 11552-3203
Phone: (516) 485-5481
Fax: (516) 485-5481
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cognitive & Behavioral Psychologist (primary) Taxonomy 103TB0200X · Licence 004169-1 (NY)

Record details

NPI number1497823553
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedNovember 30, 2006
Last updated in NPPESMay 30, 2008

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