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Internal Medicine

Wagih G. Wassef, MD

Sees patients in Montville, NJ · New Jersey

Summary

Dr. Wagih G. Wassef, MD is an internal medicine doctor at 150 River Rd, Montville, NJ 07045. Phone: (973) 263-9900. Accepts Medicare assignment. In 2024, Wagih G. Wassef had 148 Original Medicare patients and 601 services. NPI 1588760094. 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: 150 River Rd, Montville, NJ 07045 · Directions
  • Phone: (973) 263‑9900
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 1980 (46 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Wagih G. Wassef, 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 Wagih G. Wassef accept Medicare assignment?
Yes. Medicare's clinician data says Wagih G. Wassef 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 Wagih G. Wassef see?
In 2024, CMS data shows 148 Original Medicare patients and 601 services for Wagih G. Wassef. This counts Original Medicare only and measures volume, not quality.
What is Wagih G. Wassef's NPI number?
1588760094. 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 Wagih G. Wassef, 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 patients148
Services billed to Medicare601
Different services or procedures14
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)229 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)114 services
  3. Blood glucose (sugar) level (82947)66 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)62 services
  5. Administration of influenza virus vaccine (G0008)37 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%
  • Diabetes64%
  • Arthritis49%
  • Ischemic heart disease30%
  • Osteoporosis22%

Practice locations

Addresses where Wagih G. Wassef is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in New Jersey →

Other internal medicine doctors in Montville

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

All internal medicine doctors in Montville →

Clinician information

CredentialMD
Graduation year1980 (46 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588760094
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