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

Marcia M. Grenell, PHD

Individual provider Clinical Psychologist · NPI 1841389616

Marcia M. Grenell, PHD is a Clinical Psychologist in Falls Church, Virginia. Licensed in Virginia. Registered with an NPI since 2006.

Licensed in
VA
In the registry since
2006
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

6107 Arlington Blvd # G
Falls Church, VA 22044-2708
Phone: (703) 536-7554
Fax: (703) 536-7554
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 1270 (VA)

Record details

NPI number1841389616
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 12, 2006
Last updated in NPPESJuly 8, 2007

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