Abigail Nelken
NPI 1588525158 · Registered Dietitian · Passaic, NJ
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Abigail Nelken is a Registered Dietitian provider in Passaic, NJ (NPI 1588525158).
Provider details
- NPI number
- 1588525158
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 86390586 (NJ)
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
Under 1 yr in 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
- 2025-11-21
- Last updated
- 2025-11-21
- Certified
- 2025-11-21
Frequently asked questions
- What is Abigail Nelken's NPI number?
- Abigail Nelken's National Provider Identifier (NPI) is 1588525158, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Abigail Nelken's specialty?
- Abigail Nelken is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Abigail Nelken located?
- Abigail Nelken's practice location on file with NPPES is 350 Boulevard, Passaic, NJ 07055-2840.
- What is Abigail Nelken's phone number?
- The practice phone number listed in the NPPES registry for Abigail Nelken is (973) 594-7800.
- Does Abigail Nelken accept Medicare?
- Abigail Nelken is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Abigail Nelken's NPI active?
- Yes — Abigail Nelken's NPI (1588525158) is active in the NPPES registry as of the last update on 2025-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.