Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Danielle Leah Rosnov-Castelar, PHD

Individual provider Clinical Psychologist · NPI 1255669917

Dr. Danielle Leah Rosnov-Castelar, PHD is a Clinical Psychologist in Manassas, Virginia. Practices as a sole proprietor. Licensed in Virginia.

Licensed in
VA
In the registry since
2009
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

8140 Ashton Ave Ste 200
Manassas, VA 20109-5698
Phone: (703) 330-9933
Fax: (703) 368-8454
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 0810004178 (VA)

Record details

NPI number1255669917
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedNovember 18, 2009
Last updated in NPPESNovember 18, 2009

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