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

Physician Assistant

Sarah G. Wong, PA

Works at hospitals in Livingston, NJ · New Jersey

Summary

Sarah G. Wong, PA is a physician assistant at 110 Rehill Ave, Somerville, NJ 08876. Phone: (908) 685-2200. Accepts Medicare assignment. NPI 1588397814. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Physician assistant
  • Address: 110 Rehill Ave, Somerville, NJ 08876 · Directions (1 more location)
  • Phone: (908) 685‑2200
  • Medicare: Accepts Medicare assignment
  • Hospital: Cooperman Barnabas Medical Center
  • Group practice: RWJBH Observation Associates LLC
  • School: graduated 2022
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sarah G. Wong, 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 Sarah G. Wong accept Medicare assignment?
Yes. Medicare's clinician data says Sarah G. Wong 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 Sarah G. Wong's NPI number?
1588397814. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sarah G. Wong works

Medicare's Facility Affiliation Data lists Sarah G. Wong at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Sarah G. Wong is enrolled with Medicare (CMS data updated October 2, 2026).

  • 110 Rehill AveSomerville, NJ 08876 (908) 685‑2200
  • 94 Old Short Hills RdLivingston, NJ 07039

Group practices

Medicare enrollment lists Sarah G. Wong as a member of this group (CMS data updated October 2, 2026).

  • RWJBH Observation Associates LLC1,008 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New Jersey →

Other physician assistants in Somerville

Clinicians with the same Medicare primary specialty in Somerville, NJ — not a recommendation.

All physician assistants in Somerville →

Other clinicians in RWJBH Observation Associates LLC

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

Clinician information

CredentialPA
Graduation year2022
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588397814
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians