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

Margaret Marshall, PHD

Individual provider Psychologist · NPI 1639213283

Margaret Marshall, PHD is a Psychologist in Philadelphia, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2007.

Licensed in
PA
In the registry since
2007
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

227 N 18th St
Philadelphia, PA 19103-1212
Phone: (215) 854-7038
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PS006429L (PA)

Record details

NPI number1639213283
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedFebruary 16, 2007
Last updated in NPPESJuly 8, 2007

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