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

Nancy Klein-Slowey, RN

Individual provider Addiction (Substance Use Disorder) Registered Nurse · NPI 1154515302

Nancy Klein-Slowey, RN is an Addiction (Substance Use Disorder) Registered Nurse in Hampton Bays, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

31 E Main St
Hampton Bays, NY 11946-1816
Phone: (631) 723-3362
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Registered Nurse (primary) Taxonomy 163WA0400X · Licence 304049-1 (NY)

Record details

NPI number1154515302
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorNo
NPI enumeratedAugust 30, 2007
Last updated in NPPESMarch 14, 2011
Mailing address1 Jeanne Ct, Hampton Bays, NY 11946-3076