IndividualActive
Jillian Mergruen, RD, CDN
NPI 1154805554 · Registered Dietitian · Jersey City, NJ
Jillian Mergruen, RD, CDN is a Registered Dietitian provider in Jersey City, NJ (NPI 1154805554).
Provider details
- NPI number
- 1154805554
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, CDN
- Sex
- Female
- Sole proprietor
- No
- License
- 86056868 (IL)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(67/100 index)
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
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
88 Regent St
Jersey City, NJ 07302-7602
Phone: (516) 604-3316
Street-level locationGet directions
Mailing address
338 Jericho Tpke Ste 122
Syosset, NY 11791-4507
Registry dates
- Enumerated
- 2018-09-20
- Last updated
- 2026-04-08
- Certified
- 2026-04-08
Frequently asked questions
- What is Jillian Mergruen's NPI number?
- Jillian Mergruen's National Provider Identifier (NPI) is 1154805554, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jillian Mergruen's specialty?
- Jillian Mergruen is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Jillian Mergruen located?
- Jillian Mergruen's practice location on file with NPPES is 88 Regent St, Jersey City, NJ 07302-7602.
- What is Jillian Mergruen's phone number?
- The practice phone number listed in the NPPES registry for Jillian Mergruen is (516) 604-3316.
- Is Jillian Mergruen's NPI active?
- Yes — Jillian Mergruen's NPI (1154805554) is active in the NPPES registry as of the last update on 2026-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.