Louis Marzella
NPI 1851930705 · Social Worker · Manhasset, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Marzella is a Social Worker provider in Manhasset, NY (NPI 1851930705).
Provider details
- NPI number
- 1851930705
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
- 2019-12-24
- Last updated
- 2024-10-24
- Certified
- 2024-10-02
Frequently asked questions
- What is Louis Marzella's NPI number?
- Louis Marzella's National Provider Identifier (NPI) is 1851930705, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Marzella's specialty?
- Louis Marzella is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Louis Marzella located?
- Louis Marzella's practice location on file with NPPES is 400 Community Dr, Manhasset, NY 11030-3815.
- What is Louis Marzella's phone number?
- The practice phone number listed in the NPPES registry for Louis Marzella is (516) 562-4280.
- Does Louis Marzella accept Medicare?
- Louis Marzella is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Marzella's NPI active?
- Yes — Louis Marzella's NPI (1851930705) is active in the NPPES registry as of the last update on 2024-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.