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Clinical Social Worker

Nicholas Sieban, CSW

Sees patients in Manhasset, NY · New York

Summary

Nicholas Sieban, CSW (Clinical Social Worker) is enrolled with Medicare at 4 practice locations in Manhasset, NY. NPI 1750956728. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(516) 562‑2229 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Nicholas Sieban, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

4Practice locations
Clinical Social WorkerPrimary specialty
YesAccepts Medicare assignment
6Years since medical school (graduated 2020)
MaleGender (as listed)
North Shore-Lij Medical PCGroup practice

Quick answers

Where does Nicholas Sieban see patients?
Medicare's clinician data lists 4 practice locations, including Manhasset, NY. Call before your visit to confirm the address.
What is Nicholas Sieban's specialty?
Medicare lists Clinical Social Worker as the primary specialty.
Does Nicholas Sieban accept Medicare assignment?
Yes. Medicare's clinician data says Nicholas Sieban accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Nicholas Sieban?
(516) 562-2229, as listed in official Medicare / NPI Registry data.
What is Nicholas Sieban's NPI number?
1750956728. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Nicholas Sieban is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Nicholas Sieban as a member of this group (CMS data updated 2026-10-02).

  • North Shore-Lij Medical PC6,440 clinicians in the group

Specialties

Find other clinicians: Clinical Social Worker, New York →

Other clinical social workers in Manhasset

Clinicians with the same Medicare primary specialty in Manhasset, NY — not a recommendation.

All clinical social workers in Manhasset →

Clinician information

CredentialCSW
Graduation year2020
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1750956728
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians