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

Jo Ann Duffy, RRT

Individual provider Registered Respiratory Therapist · NPI 1205992575

Jo Ann Duffy, RRT is a Registered Respiratory Therapist in Berkeley Heights, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2006
What do these letters mean?
RRT — Registered Respiratory Therapist
Treats breathing disorders and manages ventilators.

See every abbreviation used in this directory →

Practice location Address checks out

40 Watchung Way
Berkeley Heights, NJ 07922-2600
Phone: (908) 771-5926
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Respiratory Therapist (primary) Taxonomy 227900000X · Licence 43ZA00125900 (NJ)

Record details

NPI number1205992575
Entity typeIndividual (Type 1)
GenderFemale
Credentials RRT
Sole proprietorYes
NPI enumeratedDecember 29, 2006
Last updated in NPPESJuly 8, 2007
Mailing address47 Troy Dr, Springfield, NJ 07081-2002