TRUE NORTH MEDICAL OF SOUTH NASSAU, PC
NPI 1659134575
Neurological Surgery in West Islip, NY

Active since February 02, 2024
1175 MONTAUK HWY, WEST ISLIP, NY 11795(833) 666-6066(631) 337-7698 Get Directions Write a Review

NPPES record last updated: February 2, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About True North Medical Of South Nassau, Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TRUE NORTH MEDICAL OF SOUTH NASSAU, PC (NPI 1659134575) is a healthcare organization registered as a neurological surgery in West Islip, New York and active in the NPI registry since February 2024. The organization lists Salvatore Zavarella, Administrator, as its authorized official.

NPPES Registry Identity

NPI1659134575
Entity TypeOrganization
Primary Taxonomy207T00000X
Legal Business NameTRUE NORTH MEDICAL OF SOUTH NASSAU, PC
Location Address1175 MONTAUK HWYWest Islip, NY 11795-4939
Mailing Address1175 Montauk HwyWest Islip, NY 11795-4939 · (833) 666-6066 · Fax (631) 337-7698
Fax(631) 337-7698
Organization SubpartNo
Authorized OfficialSalvatore ZavarellaAdministrator · (833) 666-6066
Enumeration DateFebruary 2, 2024
NPPES CertifiedFebruary 2, 2024
✔ NPI 1659134575 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
1175 MONTAUK HWY, West Islip, NY 11795

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

True North Medical Of South Nassau, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to True North Medical Of South Nassau, PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Neurosurgery
NPI 1174953129
1175 MONTAUK HWY STE 6
West Islip, NY 11795
(631) 666-6066
✔ PECOSSame address
Nurse Practitioner
NPI 1760209720
PO BOX 67
Massapequa, NY 11758
(833) 666-6066
✔ PECOS9.6 mi

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 True North Medical Of South Nassau, PC's NPI number?

The NPI number for True North Medical Of South Nassau, PC is 1659134575. It was assigned to this organization in the NPPES registry on February 2, 2024.

Where is True North Medical Of South Nassau, PC located?

True North Medical Of South Nassau, PC is located at 1175 Montauk Hwy, West Islip, NY 11795. The listed phone number is (833) 666-6066.

What is True North Medical Of South Nassau, PC's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is True North Medical Of South Nassau, PC enrolled in Medicare?

Yes. True North Medical Of South Nassau, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through True North Medical Of South Nassau, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to True North Medical Of South Nassau, PC, in Neurosurgery and Nurse Practitioner. 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. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for True North Medical Of South Nassau, PC was last updated on February 2, 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.