Alessandra Byer, MS, RD, CDN
NPI 1457830002 · Registered Dietitian · Brooklyn, NY
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alessandra Byer, MS, RD, CDN is a Registered Dietitian provider in Brooklyn, NY (NPI 1457830002).
Provider details
- NPI number
- 1457830002
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MS, RD, CDN
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Dietary & Nutritional Service Providers
- Registered Dietitian133V00000X
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
83% 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
Mailing address
Additional practice locations (1)
- 800 Poly PlBrooklyn, NY 11209-7104Phone: (718) 836-6600
Registry dates
- Enumerated
- 2018-08-13
- Last updated
- 2018-11-20
Frequently asked questions
- What is Alessandra Byer's NPI number?
- Alessandra Byer's National Provider Identifier (NPI) is 1457830002, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alessandra Byer's specialty?
- Alessandra Byer is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Alessandra Byer located?
- Alessandra Byer's practice location on file with NPPES is 800 Poly Pl, Brooklyn, NY 11209-7104.
- What is Alessandra Byer's phone number?
- The practice phone number listed in the NPPES registry for Alessandra Byer is (718) 836-6600.
- Does Alessandra Byer accept Medicare?
- Alessandra Byer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alessandra Byer's NPI active?
- Yes — Alessandra Byer's NPI (1457830002) is active in the NPPES registry as of the last update on 2018-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.