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

Physician Assistant

Mairead McDonald, PA

Works at hospitals in New York, NY · New York

Summary

Mairead McDonald, PA is a physician assistant at 506 Lenox Ave, New York, NY 10037. Phone: (212) 939-1840. Accepts Medicare assignment. In 2024, Mairead McDonald had 17 Original Medicare patients and 17 services. NPI 1013415504. 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 Mairead McDonald, 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 Mairead McDonald accept Medicare assignment?
Yes. Medicare's clinician data says Mairead McDonald 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 Mairead McDonald see?
In 2024, CMS data shows 17 Original Medicare patients and 17 services for Mairead McDonald. This counts Original Medicare only and measures volume, not quality.
What is Mairead McDonald's NPI number?
1013415504. 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 Mairead McDonald, 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 patients17
Services billed to Medicare17
Different services or procedures5
Participating Medicare providerYes
Average age of these patients61

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%

Hospitals where Mairead McDonald works

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

Group practices

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

  • Physician Affiliate Group of New York PC1,225 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New York →

Other physician assistants in New York

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

All physician assistants in New York →

Other clinicians in Physician Affiliate Group of New York PC

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

Clinician information

CredentialPA
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1013415504
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