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

John M Longo, LICSW

Individual provider Clinical Social Worker · NPI 1104869973

John M Longo, LICSW is a Clinical Social Worker in Amesbury, Massachusetts. Qualified in 1980, 46 years ago. Accepts Medicare assignment. Licensed in Massachusetts and New Hampshire.

Years since qualifying
46
Licensed in
MA, NH
In the registry since
2006
Specialties on file
2
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

See every abbreviation used in this directory →

Practice location Address checks out

110 Haverhill Rd
Amesbury, MA 01913-2123
Phone: (978) 388-8054
Fax: (978) 388-8033
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 23841 (MA)
Clinical Social Worker Taxonomy 1041C0700X · Licence 1132 (NH)

Record details

NPI number1104869973
Entity typeIndividual (Type 1)
GenderMale
Credentials LICSW
Sole proprietorNo
NPI enumeratedJune 13, 2006
Last updated in NPPESOctober 14, 2019
Mailing address110 Haverhill Rd, Amesbury, MA 01913-2123

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1980 (46 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Amesbury