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Internal Medicine

Marwan Assaleh, MD

Sees patients in Bayonne, NJ · Edgewater, NJ · New Jersey

Summary

Dr. Marwan Assaleh, MD is an internal medicine doctor at 506 Broadway, Bayonne, NJ 07002. Phone: (201) 471-7012. Accepts Medicare assignment. In 2024, Marwan Assaleh had 86 Original Medicare patients and 712 services. NPI 1518066000. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 506 Broadway, Bayonne, NJ 07002 · Directions (1 more location)
  • Phone: (201) 471‑7012
  • Medicare: Accepts Medicare assignment
  • Group practice: Optum Medical Care of New Jersey PC
  • Medical school: graduated 1979 (47 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 Marwan Assaleh, 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 Marwan Assaleh accept Medicare assignment?
Yes. Medicare's clinician data says Marwan Assaleh 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.
How many Medicare patients does Marwan Assaleh see?
In 2024, CMS data shows 86 Original Medicare patients and 712 services for Marwan Assaleh. This counts Original Medicare only and measures volume, not quality.
What is Marwan Assaleh's NPI number?
1518066000. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Marwan Assaleh, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients86
Services billed to Medicare712
Different services or procedures37
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)253 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)116 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)84 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)28 services
  5. Telephone medical discussion with physician, 5-10 minutes (99441)25 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Diabetes60%
  • Arthritis44%
  • Asthma31%
  • Chronic kidney disease26%

Practice locations

Addresses where Marwan Assaleh is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Marwan Assaleh as a member of this group (CMS data updated October 2, 2026).

  • Optum Medical Care of New Jersey PC163 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Jersey →

Other internal medicine doctors in Bayonne

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

All internal medicine doctors in Bayonne →

Other clinicians in Optum Medical Care of New Jersey PC

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

Clinician information

CredentialMD
Graduation year1979 (47 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1518066000
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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