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
Mailing address2009 Carriage Court, Vienna, VA 22181-2923

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