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

Mary C. Hennessy, OTR/L

Individual provider Occupational Therapist · NPI 1245872779

Mary C. Hennessy, OTR/L is an Occupational Therapist in Brooklyn, New York. Licensed in New York. Registered with an NPI since 2019.

Licensed in
NY
In the registry since
2019
What do these letters mean?
OTR/L — Occupational Therapist, Registered and Licensed
An occupational therapist who is both nationally registered and state licensed.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

703 Flatbush Ave
Brooklyn, NY 11225-6155
Phone: (718) 789-2451
Fax: (718) 230-0272
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X · Licence 0226081 (NY)

Record details

NPI number1245872779
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTR/L
Sole proprietorNo
NPI enumeratedOctober 16, 2019
Last updated in NPPESOctober 16, 2019

Other providers in Brooklyn