Nancy Klein-Slowey, R.N.
NPI 1154515302 · Addiction (Substance Use Disorder) Registered Nurse · Hampton Bays, NY
Nancy Klein-Slowey, R.N. is a Addiction (Substance Use Disorder) Registered Nurse provider in Hampton Bays, NY (NPI 1154515302).
Provider details
- NPI number
- 1154515302
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) Registered NurseNursing Service Providers
- Credential
- R.N.
- Sex
- Female
- Sole proprietor
- No
- License
- 304049-1 (NY)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-30
- Last updated
- 2011-03-14
Frequently asked questions
- What is Nancy Klein-Slowey's NPI number?
- Nancy Klein-Slowey's National Provider Identifier (NPI) is 1154515302, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Klein-Slowey's specialty?
- Nancy Klein-Slowey is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Registered Nurse (Nursing Service Providers).
- Where is Nancy Klein-Slowey located?
- Nancy Klein-Slowey's practice location on file with NPPES is 31 E Main St, Hampton Bays, NY 11946-1816.
- What is Nancy Klein-Slowey's phone number?
- The practice phone number listed in the NPPES registry for Nancy Klein-Slowey is (631) 723-3362.
- Is Nancy Klein-Slowey's NPI active?
- Yes — Nancy Klein-Slowey's NPI (1154515302) is active in the NPPES registry as of the last update on 2011-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.