Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Cardiovascular Disease (Cardiology)

Domenic Mariano, DO

Works at hospitals in Belleville, NJ · Englewood, NJ · Montclair, NJ · New Jersey

Summary

Dr. Domenic Mariano, DO is a cardiologist at 1 Bay Ave, Montclair, NJ 07042. Phone: (973) 429-6000. Accepts Medicare assignment. In 2024, Domenic Mariano had 1,954 Original Medicare patients and 6,178 services. NPI 1457327975. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Domenic Mariano, 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 Domenic Mariano accept Medicare assignment?
Yes. Medicare's clinician data says Domenic Mariano 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 Domenic Mariano see?
In 2024, CMS data shows 1,954 Original Medicare patients and 6,178 services for Domenic Mariano. This counts Original Medicare only and measures volume, not quality.
What is Domenic Mariano's NPI number?
1457327975. 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 Domenic Mariano, 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 patients1,954
Services billed to Medicare6,178
Different services or procedures38
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Ultrasound of both sides of head and neck blood flow (93880)1,369 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,152 services
  3. Ultrasound of leg arteries or artery grafts (93925)792 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)715 services
  5. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)275 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%
  • Arthritis46%
  • Diabetes45%
  • Ischemic heart disease45%
  • Chronic kidney disease26%

Hospitals where Domenic Mariano works

Medicare's Facility Affiliation Data lists Domenic Mariano 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 Domenic Mariano is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

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

  • Medical Associates of Englewood PC540 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in New Jersey →

Other cardiologists in Montclair

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

All cardiologists in Montclair →

Other clinicians in Medical Associates of Englewood PC

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

Clinician information

CredentialDO
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457327975
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