MEDICAL SERVICES OF MOUNT SINAI, P.C.
NPI 1184482804
Neurological Surgery in West Islip, NY
About Medical Services Of Mount Sinai, P.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MEDICAL SERVICES OF MOUNT SINAI, P.C. (NPI 1184482804) is a healthcare organization registered as a neurological surgery in West Islip, New York and active in the NPI registry since March 2024. The organization lists Michele L Cusack, Executive Vp & Cfo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Medical Services Of Mount Sinai, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Medical Services Of Mount Sinai, P.C., which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Medical Services Of Mount Sinai, P.C.'s NPI number?
The NPI number for Medical Services Of Mount Sinai, P.C. is 1184482804. It was assigned to this organization in the NPPES registry on March 7, 2024.
Where is Medical Services Of Mount Sinai, P.C. located?
Medical Services Of Mount Sinai, P.C. is located at 1175 Montauk Hwy, West Islip, NY 11795. The listed phone number is (833) 666-6066.
What is Medical Services Of Mount Sinai, P.C.'s specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Medical Services Of Mount Sinai, P.C. enrolled in Medicare?
Yes. Medical Services Of Mount Sinai, P.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Medical Services Of Mount Sinai, P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Neurosurgery) reassigns their Medicare billing to Medical Services Of Mount Sinai, P.C.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Medical Services Of Mount Sinai, P.C. was last updated on March 7, 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.