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Internal Medicine

Ofer Werthaim, MD

Works at hospitals in Edison, NJ · Perth Amboy, NJ · New Jersey

Summary

Ofer Werthaim, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Edison, NJ and Perth Amboy, NJ. NPI 1548234941. 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 Ofer Werthaim, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
41Years since medical school (graduated 1985)
MaleGender (as listed)
Hackensack Meridian Health Medical Group - Primary Care PCGroup practice

Quick answers

Which hospitals does Ofer Werthaim work at?
Medicare's official clinician data lists Ofer Werthaim at 2 hospitals: JFK University Medical Center and Raritan Bay Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ofer Werthaim see patients?
Medicare's clinician data lists 1 practice location in East Brunswick, NJ. Call before your visit to confirm the address.
What is Ofer Werthaim's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Ofer Werthaim accept Medicare assignment?
Yes. Medicare's clinician data says Ofer Werthaim 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 Ofer Werthaim?
(732) 254-2216, as listed in official Medicare / NPI Registry data.
What is Ofer Werthaim's NPI number?
1548234941. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ofer Werthaim works

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

Group practices

Medicare enrollment lists Ofer Werthaim as a member of this group (CMS data updated 2026-10-02).

  • Hackensack Meridian Health Medical Group - Primary Care PC358 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Jersey →

Other internal medicine doctors in East Brunswick

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

All internal medicine doctors in East Brunswick →

Clinician information

CredentialMD
Graduation year1985
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548234941
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