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Emergency Medicine

Dominick G. Maggio, MD

Works at hospitals in Peridot, AZ · Whiteriver, AZ · Arizona

Summary

Dr. Dominick G. Maggio, MD is an emergency medicine doctor at 200 W Hospital Dr, Whiteriver, AZ 85941. Accepts Medicare assignment. In 2024, Dominick G. Maggio had 137 Original Medicare patients and 177 services. NPI 1679848501. 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 Dominick G. Maggio, 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 Dominick G. Maggio accept Medicare assignment?
Yes. Medicare's clinician data says Dominick G. Maggio 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 Dominick G. Maggio see?
In 2024, CMS data shows 137 Original Medicare patients and 177 services for Dominick G. Maggio. This counts Original Medicare only and measures volume, not quality.
What is Dominick G. Maggio's NPI number?
1679848501. 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 Dominick G. Maggio, 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 patients137
Services billed to Medicare177
Different services or procedures13
Participating Medicare providerYes
Average age of these patients68

Most frequent services

  1. Emergency department visit with low level of medical decision making (99283)63 services
  2. Emergency department visit with moderate level of medical decision making (99284)58 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)17 services
  4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)12 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 cholesterol57%
  • Diabetes55%
  • Arthritis35%
  • Chronic kidney disease25%
  • Ischemic heart disease23%

Hospitals where Dominick G. Maggio works

Medicare's Facility Affiliation Data lists Dominick G. Maggio 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 Dominick G. Maggio is enrolled with Medicare (CMS data updated October 2, 2026).

  • 200 W Hospital DrWhiteriver, AZ 85941
  • PO Box, Suite 860Whiteriver, AZ 85941

Group practices

Medicare enrollment lists Dominick G. Maggio as a member of this group (CMS data updated October 2, 2026).

  • DHHS IHS Phoenix Area71 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Arizona →

Other emergency medicine doctors in Whiteriver

Clinicians with the same Medicare primary specialty in Whiteriver, AZ — not a recommendation.

All emergency medicine doctors in Whiteriver →

Other clinicians in DHHS IHS Phoenix Area

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

Clinician information

CredentialMD
Graduation year2011 (15 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679848501
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