Cheryl Seifert, RDN
NPI 1669259545 · Registered Dietitian · Lake Grove, NY
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cheryl Seifert, RDN is a Registered Dietitian provider in Lake Grove, NY (NPI 1669259545).
Provider details
- NPI number
- 1669259545
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RDN
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2023-09-13
- Last updated
- 2023-09-13
- Certified
- 2023-09-13
Frequently asked questions
- What is Cheryl Seifert's NPI number?
- Cheryl Seifert's National Provider Identifier (NPI) is 1669259545, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cheryl Seifert's specialty?
- Cheryl Seifert is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Cheryl Seifert located?
- Cheryl Seifert's practice location on file with NPPES is 4 Smith Haven Mall, Lake Grove, NY 11755-1219.
- What is Cheryl Seifert's phone number?
- The practice phone number listed in the NPPES registry for Cheryl Seifert is (631) 793-3222.
- Does Cheryl Seifert accept Medicare?
- Cheryl Seifert is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cheryl Seifert's NPI active?
- Yes — Cheryl Seifert's NPI (1669259545) is active in the NPPES registry as of the last update on 2023-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.