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

Dr. Mark J Adair, PHD

Individual provider Clinical Psychologist · NPI 1245450568

Dr. Mark J Adair, PHD is a Clinical Psychologist in Montpelier, Vermont. Licensed in New York and Vermont. Registered with an NPI since 2007.

Licensed in
NY, VT
In the registry since
2007
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

166 C Elm St
Montpelier, VT 05602
Phone: (802) 223-3958
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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 0049131 (NY)
Clinical Psychologist Taxonomy 103TC0700X · Licence 0480000172 (VT)
Psychoanalyst Taxonomy 102L00000X (VT)

Record details

NPI number1245450568
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedApril 27, 2007
Last updated in NPPESSeptember 11, 2025
Mailing address259 Norton Rd, Worcester, VT 05682-9792

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