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Internal Medicine

Marriam Khan, DO

Works at hospitals in Livingston, NJ · Rahway, NJ · New Jersey

Summary

Marriam Khan, DO (Internal Medicine) is listed by Medicare at 2 hospitals in Livingston, NJ and Rahway, NJ. NPI 1922739622. 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 Marriam Khan, 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
4Years since medical school (graduated 2022)
FemaleGender (as listed)
RWJBH Emergency Medicine Associates, LLCGroup practice

Quick answers

Which hospitals does Marriam Khan work at?
Medicare's official clinician data lists Marriam Khan at 2 hospitals: Cooperman Barnabas Medical Center and Robert Wood Johnson University Hospital at Rahway. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marriam Khan see patients?
Medicare's clinician data lists 1 practice location in Rahway, NJ. Call before your visit to confirm the address.
What is Marriam Khan's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Marriam Khan accept Medicare assignment?
Yes. Medicare's clinician data says Marriam Khan 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 Marriam Khan?
(732) 381-4200, as listed in official Medicare / NPI Registry data.
What is Marriam Khan's NPI number?
1922739622. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marriam Khan works

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

Group practices

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

  • RWJBH Emergency Medicine Associates, LLC848 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Jersey →

Other internal medicine doctors in Rahway

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

All internal medicine doctors in Rahway →

Clinician information

CredentialDO
Graduation year2022
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922739622
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