MARIE ALEXIS GIUSTINO NURSE PRACTITIONER
NPI 1689233769
Nurse Practitioner - Pediatrics in Hawthorne, NY
About Marie Alexis Giustino Nurse Practitioner NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIE ALEXIS GIUSTINO NURSE PRACTITIONER (NPI 1689233769) is an individual pediatrics provider in Hawthorne, New York, licensed in New Jersey (26NR27484400) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Marie Alexis Giustino Nurse Practitioner is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Marie Giustino reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hawthorne, NY 10532
- Reassigned Medicare billing, New York enrollment
- 511 clinicians in this Medicare group
Red Bank, NJ 07701
- Reassigned Medicare billing, New Jersey enrollment
- 2,844 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 10532 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Marie Giustino's NPI number?
The NPI number for Marie Giustino is 1689233769. It was assigned to this individual provider in the NPPES registry on June 11, 2019.
Where is Marie Giustino located?
Marie Giustino practices at 19 Bradhurst Ave Ste 2900, Hawthorne, NY 10532. The listed phone number is (914) 366-3400.
What is Marie Giustino's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Marie Giustino enrolled in Medicare?
Yes. Marie Giustino is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Marie Giustino's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marie Giustino reassigns Medicare benefits to 2 organizations: Boston Children's Health Physicians, LLP (Hawthorne, NY) and Hackensack Meridian Health Medical Group - Specialty Care PC (Red Bank, NJ). Each 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 Marie Giustino's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marie Giustino accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Marie Giustino 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 Marie Giustino was last updated on January 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.