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

Isaac Lowenthal, PSYD

Individual provider Counseling Psychologist · NPI 1588811541

Isaac Lowenthal, PSYD is a Counseling Psychologist in Quincy, Massachusetts. Registered with an NPI since 2008.

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

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

460 Quincy Ave
Quincy, MA 02169-8130
Phone: (617) 847-1950
Fax: (617) 774-1490
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Counseling Psychologist (primary) Taxonomy 103TC1900X

Record details

NPI number1588811541
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedAugust 21, 2008
Last updated in NPPESAugust 21, 2008
Mailing address460 Quincy Ave, Quincy, MA 02169-8130

Other providers in Quincy