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

Dr. Holly Zanville, PHD

Individual provider Clinical Psychologist · NPI 1841446747

Dr. Holly Zanville, PHD is a Clinical Psychologist in Rockville, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
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.

See every abbreviation used in this directory →

Practice location Address checks out

4402 Bestor Dr
Rockville, MD 20853-2137
Phone: (202) 534-2935
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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 04805 (MD)

Record details

NPI number1841446747
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 11, 2008
Last updated in NPPESJuly 25, 2013

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