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Diagnostic Radiology

Meghan A. Moriarty, DO

Works at hospitals in New York, NY · New Hyde Park, NY · Manhasset, NY … · New York

Summary

Dr. Meghan A. Moriarty, DO is a radiologist at 1 Heroes Way, Riverhead, NY 11901. Phone: (631) 548-6000. Accepts Medicare assignment. In 2024, Meghan A. Moriarty had 1,668 Original Medicare patients and 2,769 services. NPI 1629431473. 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 Meghan A. Moriarty, 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 Meghan A. Moriarty accept Medicare assignment?
Yes. Medicare's clinician data says Meghan A. Moriarty 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 Meghan A. Moriarty see?
In 2024, CMS data shows 1,668 Original Medicare patients and 2,769 services for Meghan A. Moriarty. This counts Original Medicare only and measures volume, not quality.
What is Meghan A. Moriarty's NPI number?
1629431473. 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 Meghan A. Moriarty, 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 patients1,668
Services billed to Medicare2,769
Different services or procedures94
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Ct scan of pelvis without contrast (72192)227 services
  2. Ct scan of leg without contrast (73700)221 services
  3. Mri scan of leg joint without contrast (73721)139 services
  4. 3d radiographic procedure (76376)122 services
  5. X-ray of pelvis, 1-2 views (72170)102 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%
  • Arthritis75%
  • Ischemic heart disease44%
  • Diabetes40%
  • Anxiety38%

Hospitals where Meghan A. Moriarty works

Medicare's Facility Affiliation Data lists Meghan A. Moriarty 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.

  • Lenox Hill HospitalNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330119
  • Long Island Jewish Medical CenterNew Hyde Park, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330195
  • North Shore University HospitalManhasset, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330106
  • Ns/Lij HS Huntington HospitalHuntington, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330045
  • Phelps HospitalSleepy Hollow, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330261

Practice locations

Addresses where Meghan A. Moriarty is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 39; the Medicare profile lists all.

Group practices

Medicare enrollment lists Meghan A. Moriarty as a member of these groups (CMS data updated October 2, 2026).

  • North Shore-Lij Medical PC6,440 clinicians in the group
  • Southside Faculty Medical Affiliates University Faculty Practice Corp231 clinicians in the group
  • Medical Services of Kips Bay PC15 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in New York →

Other radiologists in Riverhead

Clinicians with the same Medicare primary specialty in Riverhead, NY — not a recommendation.

All radiologists in Riverhead →

Other clinicians in North Shore-Lij Medical PC

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

Clinician information

CredentialDO
Graduation year2016 (10 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629431473
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