Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Physician Assistant

Shannan Massry, PA

Works at hospitals in Brooklyn, NY · New York

Summary

Shannan Massry, PA (Physician Assistant) is listed by Medicare at 1 hospital in Brooklyn, NY. NPI 1639611726. 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 Shannan Massry, 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
10Years since medical school (graduated 2016)
FemaleGender (as listed)
North Shore-Lij Medical PCGroup practice (+1 more)

Quick answers

Which hospitals does Shannan Massry work at?
Medicare's official clinician data lists Shannan Massry at 1 hospital: South Brooklyn Health. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Shannan Massry see patients?
Medicare's clinician data lists 7 practice locations, including New York, NY, Brooklyn, NY and Manhasset, NY. Call before your visit to confirm the address.
What is Shannan Massry's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Shannan Massry accept Medicare assignment?
Yes. Medicare's clinician data says Shannan Massry 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 Shannan Massry?
(212) 434-3966, as listed in official Medicare / NPI Registry data.
What is Shannan Massry's NPI number?
1639611726. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Shannan Massry works

Medicare's Facility Affiliation Data lists Shannan Massry 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 Shannan Massry is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

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

  • North Shore-Lij Medical PC6,440 clinicians in the group
  • Physician Affiliate Group of New York PC1,225 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New York →

Other physician assistants in New York

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

All physician assistants in New York →

Clinician information

CredentialPA
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639611726
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