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Critical Care (Intensivists)

Evan Asher, DO

Works at hospitals in Port Jefferson, NY · New Hyde Park, NY · Manhasset, NY … · New York

Summary

Evan Asher, DO (Critical Care (Intensivists)) is listed by Medicare at 4 hospitals in Port Jefferson, NY, New Hyde Park, NY and Manhasset, NY and other places. NPI 1639736879. 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 Evan Asher, 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

Critical Care (Intensivists)Primary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
New York College Of Osteo Medicine Of New York Institute Of TechnologyMedical school
MaleGender (as listed)
North Shore-Lij Medical PCGroup practice (+1 more)

Quick answers

Which hospitals does Evan Asher work at?
Medicare's official clinician data lists Evan Asher at 4 hospitals: John T Mather Memorial Hospital of Port Jefferson, Long Island Jewish Medical Center, North Shore University Hospital and Ns/Lij HS Southside Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Evan Asher see patients?
Medicare's clinician data lists 2 practice locations, including Bay Shore, NY and Port Jefferson, NY. Call before your visit to confirm the address.
What is Evan Asher's specialty?
Medicare lists Critical Care (Intensivists) as the primary specialty, and also Internal Medicine and Pulmonary Disease.
Does Evan Asher accept Medicare assignment?
Yes. Medicare's clinician data says Evan Asher 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 Evan Asher?
(631) 986-3308, as listed in official Medicare / NPI Registry data.
What is Evan Asher's NPI number?
1639736879. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Evan Asher works

Medicare's Facility Affiliation Data lists Evan Asher 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 Evan Asher is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Evan Asher as a member of these groups (CMS data updated 2026-10-02).

  • North Shore-Lij Medical PC6,440 clinicians in the group
  • John T Mather Memorial Hospital175 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in New York →

Other critical care doctors in Bay Shore

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

All critical care doctors in Bay Shore →

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639736879
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