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

Dr. David J. Hamolsky, PSYD

Individual provider Addiction (Substance Use Disorder) Psychologist · NPI 1235255589

Dr. David J. Hamolsky, PSYD is an Addiction (Substance Use Disorder) Psychologist in Fitchburg, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007
Specialties on file
3
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Practice location Address checks out

545 Westminster St
Fitchburg, MA 01420-4727
Phone: (978) 345-0685
Fax: (978) 342-8495
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Counseling Psychologist (primary) Taxonomy 103TC1900X
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X · Licence 7364 (MA)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence 7364 (MA)

Record details

NPI number1235255589
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedMarch 21, 2007
Last updated in NPPESSeptember 11, 2025