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Nancy Ryan, MS RD CDE CD N
NPI 1407966922 · Registered Dietitian · Greenwich, CT
Nancy Ryan, MS RD CDE CD N is a Registered Dietitian provider in Greenwich, CT (NPI 1407966922).
Provider details
- NPI number
- 1407966922
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MS RD CDE CD N
- Sex
- Female
- Sole proprietor
- Yes
- License
- 000181 (CT)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(95/100 index)
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
2 documented practice locations
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
159 W Putnam Ave Fl 2
Greenwich, CT 06830
Phone: (203) 622-4416
Street-level locationGet directions
Mailing address
159 W Putnam Ave Fl 2
Greenwich, CT 06830-5329
Additional practice locations (1)
- 56 Lafayette PlaceSuite aGreenwich, CT 06830Phone: (203) 622-4416Fax: (203) 661-3887
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2019-06-21
Frequently asked questions
- What is Nancy Ryan's NPI number?
- Nancy Ryan's National Provider Identifier (NPI) is 1407966922, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Ryan's specialty?
- Nancy Ryan is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Nancy Ryan located?
- Nancy Ryan's practice location on file with NPPES is 159 W Putnam Ave Fl 2, Greenwich, CT 06830.
- What is Nancy Ryan's phone number?
- The practice phone number listed in the NPPES registry for Nancy Ryan is (203) 622-4416.
- Is Nancy Ryan's NPI active?
- Yes — Nancy Ryan's NPI (1407966922) is active in the NPPES registry as of the last update on 2019-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.