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

Individual provider Mental Health Counselor · NPI 1144636739

Sebastian M. Barr, PHD is a Mental Health Counselor in Cambridge, Massachusetts. Practices as a sole proprietor and works from 2 locations. Licensed in Kansas and Massachusetts.

Licensed in
KS, MA
In the registry since
2014
Specialties on file
4
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

56 Portsmouth St # 2
Cambridge, MA 02141-1328
Phone: (704) 651-2997
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1493 Cambridge St, Cambridge, MA 02139-1047 — (617) 665-1183

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 1609-PY-PR-TEMP (MA)
Mental Health Counselor Taxonomy 101YM0800X
Psychologist Taxonomy 103T00000X · Licence 02994 (KS)
Health Service Psychologist Taxonomy 103TH0100X

Record details

NPI number1144636739
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 3, 2014
Last updated in NPPESMay 20, 2021
Certification dateMay 20, 2021
Mailing address770 Massachusetts Ave #390299, Cambridge, MA 02139-1721

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