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Physical Medicine and Rehabilitation

Niall G. Monaghan, MD

Sees patients in New York, NY · New York

Summary

Dr. Niall G. Monaghan, MD is a rehabilitation doctor at 1 Gustave L Levy Pl, New York, NY 10029. Phone: (212) 241-6426. Accepts Medicare assignment. In 2024, Niall G. Monaghan had 203 Original Medicare patients and 2,836 services. NPI 1174847610. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Rehabilitation doctor (Medicare lists Physical Medicine and Rehabilitation)
  • Address: 1 Gustave L Levy Pl, New York, NY 10029 · Directions
  • Phone: (212) 241‑6426
  • Medicare: Accepts Medicare assignment
  • Group practice: Fpa Hospital Based
  • Medical school: State University Of New York Downstate Medical Center · graduated 2010 (16 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Niall G. Monaghan, 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 Niall G. Monaghan accept Medicare assignment?
Yes. Medicare's clinician data says Niall G. Monaghan 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 Niall G. Monaghan see?
In 2024, CMS data shows 203 Original Medicare patients and 2,836 services for Niall G. Monaghan. This counts Original Medicare only and measures volume, not quality.
What is Niall G. Monaghan's NPI number?
1174847610. 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 Niall G. Monaghan, 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 patients203
Services billed to Medicare2,836
Different services or procedures46
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Low osmolar contrast material, 100-199 mg/ml iodine concentration, per ml (Q9965)772 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)215 services
  3. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)134 services
  4. Telephone medical discussion with physician, 11-20 minutes (99442)118 services
  5. Aspiration and/or injection of fluid from large joint (20610)89 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).

  • Arthritis75%
  • High cholesterol74%
  • High blood pressure62%
  • Anxiety31%
  • Depression27%
  • Osteoporosis24%

Practice locations

Addresses where Niall G. Monaghan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Fpa Hospital Based425 clinicians in the group

Specialties

Find other Physical Medicine and Rehabilitation doctors in New York →

Other rehabilitation doctors in New York

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

All rehabilitation doctors in New York →

Other clinicians in Fpa Hospital Based

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

Clinician information

CredentialMD
Medical schoolState University Of New York Downstate Medical Center
Graduation year2010 (16 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1174847610
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians