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

Individual provider Clinical Psychologist · NPI 1225124233

Dr. William Feinstein is a Clinical Psychologist in Northampton, Massachusetts. Qualified in 1970, 56 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
56
Licensed in
MA
In the registry since
2006
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Practice location Address checks out

160 Main St
Northampton, MA 01060-3137
Phone: (413) 584-2674
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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 1705 (MA)

Record details

NPI number1225124233
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedOctober 5, 2006
Last updated in NPPESJuly 8, 2007
Mailing address160 Main Street, Northampton, MA 01060

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1970 (56 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Northampton