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

Derrick Harper

Individual provider Mental Health Counselor · NPI 1558609594

Derrick Harper is a Mental Health Counselor in Dorchester, Massachusetts. Practices as a sole proprietor. Registered with an NPI since 2013.

In the registry since
2013

Practice location Address checks out

434 Warren St
Dorchester, MA 02121-1325
Phone: (617) 541-6859
Fax: (617) 445-2125
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1558609594
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJanuary 25, 2013
Last updated in NPPESJanuary 25, 2013
Mailing address434 Warren St, Dorchester, MA 02121-1325

Other providers in Dorchester