IndividualActive
Mary Visnefsky, RN
NPI 1639715170 · Registered Nurse · Riverhead, NY
Mary Visnefsky, RN is a Registered Nurse provider in Riverhead, NY (NPI 1639715170).
Provider details
- NPI number
- 1639715170
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 322578-1 (NY)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(65/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
300 Center Dr
Riverhead, NY 11901-3393
Phone: (631) 852-2680
Street-level locationGet directions
Mailing address
17 Mahogany Rd
Rocky Point, NY 11778-9217
Registry dates
- Enumerated
- 2019-11-19
- Last updated
- 2019-11-19
Frequently asked questions
- What is Mary Visnefsky's NPI number?
- Mary Visnefsky's National Provider Identifier (NPI) is 1639715170, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Visnefsky's specialty?
- Mary Visnefsky is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Mary Visnefsky located?
- Mary Visnefsky's practice location on file with NPPES is 300 Center Dr, Riverhead, NY 11901-3393.
- What is Mary Visnefsky's phone number?
- The practice phone number listed in the NPPES registry for Mary Visnefsky is (631) 852-2680.
- Is Mary Visnefsky's NPI active?
- Yes — Mary Visnefsky's NPI (1639715170) is active in the NPPES registry as of the last update on 2019-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.