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

Individual provider Clinical Psychologist · NPI 1053942433

Dr. Sarah Krill Williston, PHD is a Clinical Psychologist in Boston, Massachusetts. Licensed in Rhode Island. Registered with an NPI since 2020.

Licensed in
RI
In the registry since
2020
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

150 S Huntington Ave
Boston, MA 02130-4817
Phone: (857) 364-3708
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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 PS01842 (RI)

Record details

NPI number1053942433
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedFebruary 4, 2020
Last updated in NPPESFebruary 4, 2020
Certification dateFebruary 4, 2020

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