Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. James Mark Sydnor-Greenberg, PHD

Individual provider Psychologist · NPI 1306106711

Dr. James Mark Sydnor-Greenberg, PHD is a Psychologist in Chevy Chase, Maryland. Practices as a sole proprietor. Licensed in District of Columbia, Maryland and Virginia.

Licensed in
DC, MD, VA
In the registry since
2012
Specialties on file
3
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

4701 Willard Ave Ste 419
Chevy Chase, MD 20815
Phone: (703) 536-5405
Fax: (301) 718-2677
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 2681 (MD)
Psychologist Taxonomy 103T00000X · Licence 1772 (VA)
Psychologist Taxonomy 103T00000X · Licence 1625 (DC)

Record details

NPI number1306106711
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 18, 2012
Last updated in NPPESMay 18, 2012

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