AMY EILEEN GERSHATER RN, PMHNP
NPI 1558601146
Nurse Practitioner - Psychiatric/Mental Health in Valhalla, NY
About Amy Eileen Gershater Rn, Pmhnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMY EILEEN GERSHATER RN, PMHNP (NPI 1558601146) is an individual psychiatric/mental health provider in Valhalla, New York, licensed in New York (F401787-1) and active in the NPI registry since February 2013. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Amy Eileen Gershater Rn, Pmhnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Amy Gershater reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Valhalla, NY 10595
- Reassigned Medicare billing, New York enrollment
- 1,663 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 10595 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.
VALHALLA, NY 10595
VALHALLA, NY 10595
VALHALLA, NY 10595
VALHALLA, NY 10595
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 Amy Gershater's NPI number?
The NPI number for Amy Gershater is 1558601146. It was assigned to this individual provider in the NPPES registry on February 19, 2013.
Where is Amy Gershater located?
Amy Gershater practices at 100 Woods Rd, Valhalla, NY 10595. The listed phone number is (914) 493-7000.
What is Amy Gershater's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Amy Gershater enrolled in Medicare?
Yes. Amy Gershater is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Amy Gershater's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Gershater reassigns Medicare benefits to Westchester Medical Center Advanced Physician Services PC (Valhalla, 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 Amy Gershater'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 Amy Gershater was last updated on April 15, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.