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Orthopedic Surgery

Nestor D. Blyznak, MD

Sees patients in East Setauket, NY · New York

Summary

Dr. Nestor D. Blyznak, MD is an orthopedic surgeon at 14 Technology Dr, Suite 11, East Setauket, NY 11733. Phone: (631) 444-4233. Accepts Medicare assignment. NPI 1649377524. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Orthopedic surgeon (Medicare lists Orthopedic Surgery)
  • Address: 14 Technology Dr, Suite 11, East Setauket, NY 11733 · Directions
  • Phone: (631) 444‑4233
  • Medicare: Accepts Medicare assignment
  • Group practice: Stony Brook Orthopaedic Associates, University Faculty Practice Corpor
  • Medical school: New York University School Of Medicine · graduated 1981 (45 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Nestor D. Blyznak, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Nestor D. Blyznak accept Medicare assignment?
Yes. Medicare's clinician data says Nestor D. Blyznak accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Nestor D. Blyznak's NPI number?
1649377524. 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 Nestor D. Blyznak is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nestor D. Blyznak as a member of this group (CMS data updated October 2, 2026).

  • Stony Brook Orthopaedic Associates, University Faculty Practice Corpor49 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in New York →

Other orthopedic surgeons in East Setauket

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

All orthopedic surgeons in East Setauket →

Other clinicians in Stony Brook Orthopaedic Associates, University Faculty Practice Corpor

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolNew York University School Of Medicine
Graduation year1981 (45 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1649377524
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 October 2, 2026, retrieved October 29, 2026
  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