IndividualActive
Denise Grouzis, RN
NPI 1821891565 · Registered Nurse · Brooklyn, NY
Denise Grouzis, RN is a Registered Nurse provider in Brooklyn, NY (NPI 1821891565).
Provider details
- NPI number
- 1821891565
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 660359 (NY)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(55/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
6424 18th Ave
Brooklyn, NY 11204-3729
Phone: (212) 687-7464
Street-level locationGet directions
Mailing address
8405 266th St
Floral Park, NY 11001-1109
Registry dates
- Enumerated
- 2025-03-28
- Last updated
- 2025-03-28
- Certified
- 2025-03-28
Frequently asked questions
- What is Denise Grouzis's NPI number?
- Denise Grouzis's National Provider Identifier (NPI) is 1821891565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Denise Grouzis's specialty?
- Denise Grouzis is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Denise Grouzis located?
- Denise Grouzis's practice location on file with NPPES is 6424 18th Ave, Brooklyn, NY 11204-3729.
- What is Denise Grouzis's phone number?
- The practice phone number listed in the NPPES registry for Denise Grouzis is (212) 687-7464.
- Is Denise Grouzis's NPI active?
- Yes — Denise Grouzis's NPI (1821891565) is active in the NPPES registry as of the last update on 2025-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.