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

Dr. James Peter Osterhaus, PHD

Individual provider Psychologist · NPI 1306009899

Dr. James Peter Osterhaus, PHD is a Psychologist in Fairfax, Virginia. Practices as a sole proprietor. Licensed in Virginia.

Licensed in
VA
In the registry since
2008
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

3541 Chain Bridge Rd Ste 6
Fairfax, VA 22030-2793
Phone: (703) 352-0660
Fax: (703) 385-9621
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 0810002345 (VA)

Record details

NPI number1306009899
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 7, 2008
Last updated in NPPESJuly 7, 2008
Mailing address3541 Chain Bridge Rd Ste 6, Fairfax, VA 22030-2793

Other providers in Fairfax