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

Dr. Alissa Williams I, PSYD

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1285884700

Dr. Alissa Williams I, PSYD is an Addiction (Substance Use Disorder) Counselor in Salem, New Hampshire. Practices as a sole proprietor. Registered with an NPI since 2008.

In the registry since
2008
Specialties on file
2
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

87 Stiles Rd Ste 106
Salem, NH 03079-2899
Phone: (603) 893-7700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X

Record details

NPI number1285884700
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorYes
NPI enumeratedSeptember 19, 2008
Last updated in NPPESMay 5, 2022
Certification dateMay 5, 2022

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