Gail Ryan, RD CDN
NPI 1407915838 · Registered Dietitian · West Islip, NY
Gail Ryan, RD CDN is a Registered Dietitian provider in West Islip, NY (NPI 1407915838).
Provider details
- NPI number
- 1407915838
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD CDN
- Sex
- Female
- Sole proprietor
- No
- License
- 001351 (NY)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-12-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gail Ryan's NPI number?
- Gail Ryan's National Provider Identifier (NPI) is 1407915838, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gail Ryan's specialty?
- Gail Ryan is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Gail Ryan located?
- Gail Ryan's practice location on file with NPPES is 1000 Montauk Hwy, West Islip, NY 11795.
- What is Gail Ryan's phone number?
- The practice phone number listed in the NPPES registry for Gail Ryan is (631) 376-4049.
- Is Gail Ryan's NPI active?
- Yes — Gail Ryan's NPI (1407915838) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.