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Internal Medicine

Deborah J. Cheung, MD

Works at hospitals in Morristown, NJ · Summit, NJ · New Jersey

Summary

Deborah J. Cheung, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Morristown, NJ and Summit, NJ. NPI 1255336004. 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 Deborah J. Cheung, 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
YesOffers telehealth
29Years since medical school (graduated 1997)
George Washington University School Of MedicineMedical school
FemaleGender (as listed)
Summit Medical Group PAGroup practice

Quick answers

Which hospitals does Deborah J. Cheung work at?
Medicare's official clinician data lists Deborah J. Cheung at 2 hospitals: Morristown Medical Center and Overlook Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Deborah J. Cheung see patients?
Medicare's clinician data lists 1 practice location in Berkeley Heights, NJ. Call before your visit to confirm the address.
What is Deborah J. Cheung's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Deborah J. Cheung accept Medicare assignment?
Yes. Medicare's clinician data says Deborah J. Cheung 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.
Does Deborah J. Cheung offer telehealth?
Medicare's clinician data says Deborah J. Cheung offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Deborah J. Cheung?
(908) 273-4300, as listed in official Medicare / NPI Registry data.
What is Deborah J. Cheung's NPI number?
1255336004. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Deborah J. Cheung works

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

Group practices

Medicare enrollment lists Deborah J. Cheung as a member of this group (CMS data updated 2026-10-02).

  • Summit Medical Group PA1,212 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Jersey →

Other internal medicine doctors in Berkeley Heights

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

All internal medicine doctors in Berkeley Heights →

Clinician information

CredentialMD
Medical schoolGeorge Washington University School Of Medicine
Graduation year1997
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1255336004
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