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

Mrs. Rebecca Mary Harras, MSN, CNS

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1225336886

Mrs. Rebecca Mary Harras, MSN, CNS is an Addiction (Substance Use Disorder) Counselor in Islip, New York. Licensed in New York. Registered with an NPI since 2011.

Licensed in
NY
In the registry since
2011
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
CNS — Clinical Nurse Specialist
An advanced practice nurse specialising in a patient population or setting.

See every abbreviation used in this directory →

Practice location Address checks out

401 Main St
Islip, NY 11751-3560
Phone: (631) 224-5330
Fax: (631) 224-1206
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 3512801 (NY)

Record details

NPI number1225336886
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , CNS
Sole proprietorNo
NPI enumeratedMarch 7, 2011
Last updated in NPPESMarch 7, 2011

Other providers in Islip