MARISSA LUCIA ALVAREZ NP
NPI 1740703834
Nurse Practitioner - Psychiatric/Mental Health in Flushing, NY
About Marissa Lucia Alvarez Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARISSA LUCIA ALVAREZ NP (NPI 1740703834) is an individual psychiatric/mental health provider in Flushing, New York, licensed in New York (F402499) and active in the NPI registry since July 2017. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Marissa Lucia Alvarez Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Marissa Alvarez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- 3,922 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11355 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
FLUSHING, NY 11355
FLUSHING, NY 11355
FLUSHING, NY 11355
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 Marissa Alvarez's NPI number?
The NPI number for Marissa Alvarez is 1740703834. It was assigned to this individual provider in the NPPES registry on July 20, 2017.
Where is Marissa Alvarez located?
Marissa Alvarez practices at 5645 Main St, Flushing, NY 11355. The listed phone number is (347) 343-1656.
What is Marissa Alvarez's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Marissa Alvarez enrolled in Medicare?
Yes. Marissa Alvarez is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Marissa Alvarez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Alvarez reassigns Medicare benefits to Trustees Of Columbia University In The City Of New York (New York, 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 Marissa Alvarez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Marissa Alvarez was last updated on April 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Marissa Lucia Alvarez, NP · NPI 1740703834
Psychiatric/Mental Health physician in Flushing, New York. Individual provider, active in the CMS NPPES registry since July 20, 2017.
## Identity
- **NPI:** 1740703834 (Entity type: Individual)
- **Enumerated:** July 20, 2017
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** F402499 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5645 MAIN ST, Flushing, NY 11355-5045
- **Phone:** (347) 343-1656
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Trustees Of Columbia University In The City Of New York (NPI 1477068971, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 29, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1740703834) · Data from the CMS NPPES public registry.