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

Alexander Callahan

Individual provider Behavior Analyst · NPI 1922515832

Alexander Callahan is a Behavior Analyst in Fairfax, Virginia. Registered with an NPI since 2018.

In the registry since
2018

Practice location Address checks out

10530 Warwick Ave Ste C2
Fairfax, VA 22030-3132
Phone: (703) 994-4754
Fax: (703) 994-4754
Show map & directions

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

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X

Record details

NPI number1922515832
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJanuary 2, 2018
Last updated in NPPESJanuary 2, 2018
Mailing address10530 Warwick Ave Ste C2, Fairfax, VA 22030-3132

Other providers in Fairfax