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

Zachary J Mercier, DPT

Individual provider Physical Therapist · NPI 1578080321

Zachary J Mercier, DPT is a Physical Therapist in Waltham, Massachusetts. Works from 2 locations. Licensed in Massachusetts and New Hampshire.

Licensed in
MA, NH
In the registry since
2017
Specialties on file
2
What do these letters mean?
DPT — Doctor of Physical Therapy
The doctoral degree now required to enter physical therapy practice.

See every abbreviation used in this directory →

Practice location Address checks out

840 Winter St
Waltham, MA 02451-1433
Phone: (781) 487-9944
Fax: (781) 487-9966
Show map & directions

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

Additional practice locations (1)

  • 16 Pelham Rd, Salem, NH 03079-2826 — (603) 894-1111

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X · Licence 23950 (MA)
Physical Therapist Taxonomy 225100000X · Licence 4279 (NH)

Record details

NPI number1578080321
Entity typeIndividual (Type 1)
GenderMale
Credentials DPT
Sole proprietorNo
NPI enumeratedAugust 23, 2017
Last updated in NPPESSeptember 25, 2018

Other providers in Waltham