Marissa Hellermann, RDN
NPI 1609596212 · Registered Dietitian · Roseland, NJ
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Hellermann, RDN is a Registered Dietitian provider in Roseland, NJ (NPI 1609596212).
Provider details
- NPI number
- 1609596212
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RDN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 86290986 (NY)
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
3 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
- 2022-09-01
- Last updated
- 2022-09-01
- Certified
- 2022-09-01
Frequently asked questions
- What is Marissa Hellermann's NPI number?
- Marissa Hellermann's National Provider Identifier (NPI) is 1609596212, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Hellermann's specialty?
- Marissa Hellermann is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Marissa Hellermann located?
- Marissa Hellermann's practice location on file with NPPES is 36 Cooper Ave, Roseland, NJ 07068-1628.
- What is Marissa Hellermann's phone number?
- The practice phone number listed in the NPPES registry for Marissa Hellermann is (201) 252-7322.
- Does Marissa Hellermann accept Medicare?
- Marissa Hellermann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Hellermann's NPI active?
- Yes — Marissa Hellermann's NPI (1609596212) is active in the NPPES registry as of the last update on 2022-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.