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

Sophie Anna Cassell, PHD

Individual provider Psychologist · NPI 1588359061

Sophie Anna Cassell, PHD is a Psychologist in New York, New York. Practices as a sole proprietor and works from 2 locations. Registered with an NPI since 2023.

In the registry since
2023
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

156 5th Ave Ste 1134
New York, NY 10010-7745
Phone: (301) 706-1260
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1430 Broadway Rm 1510, New York, NY 10018-3368 — (301) 706-1260

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X

Record details

NPI number1588359061
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 10, 2023
Last updated in NPPESApril 10, 2023
Certification dateApril 10, 2023

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