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

Mr. John H Heckler, PHD

Individual provider Clinical Psychologist · NPI 1669595617

Mr. John H Heckler, PHD is a Clinical Psychologist in Tewksbury, Massachusetts. Licensed in California, Massachusetts and New Hampshire. Registered with an NPI since 2007.

Licensed in
CA, MA, NH
In the registry since
2007
Specialties on file
3
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1445 Main St Ste 6
Tewksbury, MA 01876
Phone: (978) 851-4251
Fax: (978) 851-8515
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 2483 (MA)
Clinical Psychologist Taxonomy 103TC0700X · Licence 1000 (NH)
Clinical Psychologist Taxonomy 103TC0700X · Licence 6616 (CA)

Record details

NPI number1669595617
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedApril 6, 2007
Last updated in NPPESJuly 8, 2007

Other providers in Tewksbury