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Surgical Oncology

Mitchell L. Chorost, MD

Works at hospitals in West Islip, NY · Rockville Centre, NY · Roslyn, NY · New York

Summary

Mitchell L. Chorost, MD (Surgical Oncology) is listed by Medicare at 3 hospitals in West Islip, NY, Rockville Centre, NY and Roslyn, NY. NPI 1356397244. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mitchell L. Chorost, 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

Surgical OncologyPrimary specialty
YesAccepts Medicare assignment
33Years since medical school (graduated 1993)
Rutgers New Jersey Medical SchoolMedical school
MaleGender (as listed)
CHS Physician Partners PCGroup practice

Quick answers

Which hospitals does Mitchell L. Chorost work at?
Medicare's official clinician data lists Mitchell L. Chorost at 3 hospitals: Good Samaritan Hospital Medical Center, Mercy Medical Center and St Francis Hospital - The Heart Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mitchell L. Chorost see patients?
Medicare's clinician data lists 1 practice location in Fresh Meadows, NY. Call before your visit to confirm the address.
What is Mitchell L. Chorost's specialty?
Medicare lists Surgical Oncology as the primary specialty.
Does Mitchell L. Chorost accept Medicare assignment?
Yes. Medicare's clinician data says Mitchell L. Chorost 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 Mitchell L. Chorost?
(718) 454-4600, as listed in official Medicare / NPI Registry data.
What is Mitchell L. Chorost's NPI number?
1356397244. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mitchell L. Chorost works

Medicare's Facility Affiliation Data lists Mitchell L. Chorost at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Mitchell L. Chorost is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mitchell L. Chorost as a member of this group (CMS data updated 2026-10-02).

  • CHS Physician Partners PC743 clinicians in the group

Specialties

Find other Surgical Oncology doctors in New York →

Other surgical oncologists in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

All surgical oncologists in New York →

Clinician information

CredentialMD
Medical schoolRutgers New Jersey Medical School
Graduation year1993
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356397244
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians