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

MS. Mary Virginia Harkness, COTA/L

Individual provider Occupational Therapy Assistant · NPI 1295994986

MS. Mary Virginia Harkness, COTA/L is an Occupational Therapy Assistant in Essex, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2008.

Licensed in
MA
In the registry since
2008
What do these letters mean?
COTA/L — Certified Occupational Therapy Assistant, Licensed
An occupational therapy assistant who is both certified and state licensed.

See every abbreviation used in this directory →

Practice location Address checks out

31 Belcher St
Essex, MA 01929-1053
Phone: (978) 768-6630
Show map & directions

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

Specialties & licences

Occupational Therapy Assistant (primary) Taxonomy 224Z00000X · Licence 2956 (MA)

Record details

NPI number1295994986
Entity typeIndividual (Type 1)
GenderFemale
Credentials COTA/L
Sole proprietorNo
NPI enumeratedJune 6, 2008
Last updated in NPPESDecember 2, 2016