LOUIS MARZELLA
NPI 1851930705
Social Worker in Manhasset, NY
About Louis Marzella NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LOUIS MARZELLA (NPI 1851930705) is an individual social worker in Manhasset, New York, licensed in New York (113926) and active in the NPI registry since December 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Louis Marzella is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Louis Marzella reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MANHASSET, NY 11030
MANHASSET, NY 11030
MANHASSET, NY 11030
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Louis Marzella's NPI number?
The NPI number for Louis Marzella is 1851930705. It was assigned to this individual provider in the NPPES registry on December 24, 2019.
Where is Louis Marzella located?
Louis Marzella practices at 400 Community Dr, Manhasset, NY 11030. The listed phone number is (516) 562-4280.
What is Louis Marzella's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Louis Marzella enrolled in Medicare?
Yes. Louis Marzella is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Louis Marzella's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Louis Marzella reassigns Medicare benefits to North Shore-Lij Medical PC (Great Neck, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Louis Marzella's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Louis Marzella accept?
Health plans from Oscar Health list Louis Marzella as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Louis Marzella was last updated on October 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Louis Marzella · NPI 1851930705
Social Worker provider in Manhasset, New York. Individual provider, active in the CMS NPPES registry since December 24, 2019.
## Identity
- **NPI:** 1851930705 (Entity type: Individual)
- **Enumerated:** December 24, 2019
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **State license:** 113926 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 400 COMMUNITY DR, Manhasset, NY 11030-3815
- **Phone:** (516) 562-4280
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** North Shore-Lij Medical PC (NPI 1053688572, Great Neck, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** October 24, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1851930705) · Data from the CMS NPPES public registry.