IndividualActive
Gemma Sayno, RN
NPI 1427345404 · Registered Nurse · New York, NY
Gemma Sayno, RN is a Registered Nurse provider in New York, NY (NPI 1427345404).
Provider details
- NPI number
- 1427345404
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 456527 (NY)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
590 Avenue of the Americas
New York, NY 10011-2019
Phone: (646) 459-3401
Fax: (646) 459-3689
Street-level locationGet directions
Mailing address
590 Avenue of the Americas
New York, NY 10011-2019
Registry dates
- Enumerated
- 2011-06-29
- Last updated
- 2011-06-29
Frequently asked questions
- What is Gemma Sayno's NPI number?
- Gemma Sayno's National Provider Identifier (NPI) is 1427345404, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gemma Sayno's specialty?
- Gemma Sayno is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Gemma Sayno located?
- Gemma Sayno's practice location on file with NPPES is 590 Avenue of the Americas, New York, NY 10011-2019.
- What is Gemma Sayno's phone number?
- The practice phone number listed in the NPPES registry for Gemma Sayno is (646) 459-3401.
- Is Gemma Sayno's NPI active?
- Yes — Gemma Sayno's NPI (1427345404) is active in the NPPES registry as of the last update on 2011-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.