HILLARY CAROLINE MOSS
NPI 1770946329
Emergency Medicine in Port Jefferson Station, NY
About Hillary Caroline Moss NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HILLARY CAROLINE MOSS (NPI 1770946329) is an individual emergency medicine provider in Port Jefferson Station, New York, licensed in New York (294014) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and is a graduate of Other (2016).
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)
Hillary Caroline Moss is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Hillary Moss reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Bronx, NY 10467
- Reassigned Medicare billing, New York enrollment
- 5,251 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Montefiore Medical Center
Acute Care Hospitals · Bronx, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11776 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Hillary Moss's NPI number?
The NPI number for Hillary Moss is 1770946329. It was assigned to this individual provider in the NPPES registry on March 31, 2016.
Where is Hillary Moss located?
Hillary Moss practices at 23 Lillian St, Port Jefferson Station, NY 11776. The listed phone number is (631) 291-0168.
What is Hillary Moss's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Hillary Moss enrolled in Medicare?
Yes. Hillary Moss is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Hillary Moss's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hillary Moss reassigns Medicare benefits to 2 organizations: North Shore-Lij Medical PC (Great Neck, NY) and Montefiore Medical Center (Bronx, NY). 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 Hillary Moss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Hillary Moss affiliated with any hospitals?
According to CMS data, Hillary Moss is affiliated with Montefiore Medical Center.
When was this NPI record last updated?
The NPPES record for Hillary Moss was last updated on June 18, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.