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Emergency Medicine

Matthew Avenoso, DO

Works at hospitals in Montclair, NJ · New Jersey

Summary

Dr. Matthew Avenoso, DO is an emergency medicine doctor at 1 Bay Ave, Montclair, NJ 07042. Phone: (954) 939-5000. Accepts Medicare assignment. In 2024, Matthew Avenoso had 445 Original Medicare patients and 512 services. NPI 1548898141. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 1 Bay Ave, Montclair, NJ 07042 · Directions
  • Phone: (954) 939‑5000
  • Medicare: Accepts Medicare assignment
  • Hospital: Hackensack Meridian Mountainside Medical
  • Group practice: Montclair Emergency Physicians LLC
  • Medical school: New York College Of Osteo Medicine Of New York Institute Of Technology · graduated 2020 (6 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Matthew Avenoso, 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 Matthew Avenoso accept Medicare assignment?
Yes. Medicare's clinician data says Matthew Avenoso 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 Matthew Avenoso see?
In 2024, CMS data shows 445 Original Medicare patients and 512 services for Matthew Avenoso. This counts Original Medicare only and measures volume, not quality.
What is Matthew Avenoso's NPI number?
1548898141. 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 Matthew Avenoso, 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 patients445
Services billed to Medicare512
Different services or procedures27
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)370 services
  2. Emergency department visit with moderate level of medical decision making (99284)56 services
  3. Critical care, first 30-74 minutes (99291)28 services
  4. Emergency department visit with low level of medical decision making (99283)19 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%
  • Arthritis61%
  • Ischemic heart disease50%
  • Diabetes47%
  • Depression43%

Hospitals where Matthew Avenoso works

Medicare's Facility Affiliation Data lists Matthew Avenoso at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

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

Group practices

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

  • Montclair Emergency Physicians LLC18 clinicians in the group

Specialties

Find other Emergency Medicine doctors in New Jersey →

Other emergency medicine doctors in Montclair

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

All emergency medicine doctors in Montclair →

Other clinicians in Montclair Emergency Physicians LLC

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

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year2020 (6 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548898141
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians