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

MS. Mary Theresa O'Brien, RRT, NPS, AE-C

Individual provider Neonatal/Pediatric Registered Respiratory Therapist · NPI 1629393905

MS. Mary Theresa O'Brien, RRT, NPS, AE-C is a Neonatal/Pediatric Registered Respiratory Therapist in Piscataway, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2010
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

12 Musket Way
Piscataway, NJ 08854-2829
Phone: (732) 752-6159
Show map & directions

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

Specialties & licences

Neonatal/Pediatric Registered Respiratory Therapist (primary) Taxonomy 2279P3900X · Licence 43ZA00126700 (NJ)

Record details

NPI number1629393905
Entity typeIndividual (Type 1)
GenderFemale
Credentials RRT , NPS , AE-C
Sole proprietorYes
NPI enumeratedMarch 30, 2010
Last updated in NPPESMarch 30, 2010