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Internal Medicine

Mohamed K. Kassem, MD

Sees patients in Clifton, NJ · Paterson, NJ · New Jersey

Summary

Dr. Mohamed K. Kassem, MD is an internal medicine doctor at 1300 Main Ave, Suite 2c, Clifton, NJ 07011. Phone: (973) 417-0181. Accepts Medicare assignment. NPI 1528027356. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1300 Main Ave, Suite 2c, Clifton, NJ 07011 · Directions (1 more location)
  • Phone: (973) 417‑0181
  • Medicare: Accepts Medicare assignment
  • Group practice: Pioneer Medical Care Group LLC
  • Medical school: graduated 1997 (29 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Mohamed K. Kassem, 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 Mohamed K. Kassem accept Medicare assignment?
Yes. Medicare's clinician data says Mohamed K. Kassem 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 Mohamed K. Kassem's NPI number?
1528027356. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Mohamed K. Kassem is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mohamed K. Kassem as a member of this group (CMS data updated October 2, 2026).

  • Pioneer Medical Care Group LLC3 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Jersey →

Other internal medicine doctors in Clifton

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

All internal medicine doctors in Clifton →

Clinician information

CredentialMD
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1528027356
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians