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Physician Assistant

Susan S. Day, PA

Works at hospitals in West Islip, NY · Patchogue, NY · New York

Summary

Susan S. Day, PA (Physician Assistant) is listed by Medicare at 2 hospitals in West Islip, NY and Patchogue, NY. NPI 1225376494. 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 Susan S. Day, 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

Physician AssistantPrimary specialty
YesAccepts Medicare assignment
14Years since medical school (graduated 2012)
FemaleGender (as listed)
New York UniversityGroup practice (+1 more)

Quick answers

Which hospitals does Susan S. Day work at?
Medicare's official clinician data lists Susan S. Day at 2 hospitals: Good Samaritan Hospital Medical Center and Long Island Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Susan S. Day see patients?
Medicare's clinician data lists 2 practice locations, including West Islip, NY and New York, NY. Call before your visit to confirm the address.
What is Susan S. Day's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Susan S. Day accept Medicare assignment?
Yes. Medicare's clinician data says Susan S. Day 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 Susan S. Day?
(516) 705-2689, as listed in official Medicare / NPI Registry data.
What is Susan S. Day's NPI number?
1225376494. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Susan S. Day works

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

Group practices

Medicare enrollment lists Susan S. Day as a member of these groups (CMS data updated 2026-10-02).

  • New York University6,134 clinicians in the group
  • Samaritan Medical Services PC354 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New York →

Other physician assistants in West Islip

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

All physician assistants in West Islip →

Clinician information

CredentialPA
Graduation year2012
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225376494
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