NORTH SUFFOLK MEDICAL ASSOCIATES, P.C.
NPI 1639216476
Clinic/Center - Primary Care in Smithtown, NY

Active since January 31, 2007
50 KARL AVE STE 301, SMITHTOWN, NY 11787(631) 239-1677(631) 724-3967 Get Directions Write a Review

NPPES record last updated: December 21, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About North Suffolk Medical Associates, P.c. NPPES

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

NORTH SUFFOLK MEDICAL ASSOCIATES, P.C. (NPI 1639216476) is a healthcare organization registered as a primary care in Smithtown, New York and active in the NPI registry since January 2007. The organization lists Jean Piotrowski, Medical Biller, as its authorized official.

NPPES Registry Identity

NPI1639216476
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameNORTH SUFFOLK MEDICAL ASSOCIATES, P.C.
Location Address50 KARL AVE STE 301Smithtown, NY 11787-2744
Mailing Address50 Karl Ave Ste 301Smithtown, NY 11787-2744 · (631) 239-1677 · Fax (631) 724-3967
Fax(631) 724-3967
Organization SubpartNo
Authorized OfficialJean PiotrowskiMedical Biller · (631) 239-1677
Enumeration DateJanuary 31, 2007
Last NPPES UpdateDecember 21, 2023
NPPES CertifiedDecember 21, 2023
✔ NPI 1639216476 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
Also ListedMedical Genetics, Ph.D. Medical GeneticsTaxonomy 170100000X · License 183593 (NY)
50 KARL AVE STE 301, Smithtown, NY 11787

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

North Suffolk Medical Associates, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by December 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateNew YorkEnrollment IDO20110715000153Non-DME Part B · Clinic/Group PracticeDue dateDecember 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to North Suffolk Medical Associates, P.C., 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)

Internal Medicine
NPI 1376501296
50 KARL AVE STE 301
Smithtown, NY 11787
(631) 239-1677
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1417905696
1019 FORT SALONGA RD SUITE 101
Northport, NY 11768
(631) 262-1314
✔ PECOS✔ Accepts Medicare7.2 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 North Suffolk Medical Associates, P.C.'s NPI number?

The NPI number for North Suffolk Medical Associates, P.C. is 1639216476. It was assigned to this organization in the NPPES registry on January 31, 2007.

Where is North Suffolk Medical Associates, P.C. located?

North Suffolk Medical Associates, P.C. is located at 50 Karl Ave Ste 301, Smithtown, NY 11787. The listed phone number is (631) 239-1677.

What is North Suffolk Medical Associates, P.C.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

Is North Suffolk Medical Associates, P.C. enrolled in Medicare?

Yes. North Suffolk Medical Associates, P.C. is registered in the Medicare PECOS enrollment system.

When is North Suffolk Medical Associates, P.C.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (New York, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through North Suffolk Medical Associates, P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Internal Medicine, reassign their Medicare billing to North Suffolk Medical Associates, 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. 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 North Suffolk Medical Associates, P.C. was last updated on December 21, 2023. 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.