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

Dr. John P Allen

Individual provider Clinical Psychologist · NPI 1083803456

Dr. John P Allen is a Clinical Psychologist in Vienna, Virginia. Practices as a sole proprietor. Licensed in Virginia.

Licensed in
VA
In the registry since
2007

Practice location Address checks out

2009 Carriage Ct
Vienna, VA 22181-2923
Phone: (703) 281-0760
Fax: (703) 281-0760
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 1223 (VA)

Record details

NPI number1083803456
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedOctober 22, 2007
Last updated in NPPESOctober 22, 2007

Other providers in Vienna