NPPES file of Aug 9, 2026

Mark Joseph Maguire

Emergency Medicine Physician · Oceanside, NY

Mark Joseph Maguire is an emergency medicine physician with a practice address in Oceanside, New York, and NPI 1629654363, issued on Mar 23, 2021. Check the license (New York 342899, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629654363
Name
Mark Joseph Maguire
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
342899 NY
Self-reported in NPPES; status is on the state search
Practice location
One Healthy Way, Oceanside, NY 11572
Phone
(212) 241-6500
Enumerated
Mar 23, 2021
Record last updated
May 15, 2026
Medicare enrollment
Enrolled (PECOS I20260525000066); may accept Medicare assignment
Medical or professional school
Florida International Univ, College Of Medicine, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at One Healthy Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Clare Berman, RNC, IBCLCLactation Consultant (Registered Nurse)1003205428
  2. Allen Frank, M.D.Obstetrics & Gynecology Physician1306835509
  3. Michael HoustonAnesthesiology Physician1578526935
  4. Paul Jean-Charles, MDNeonatal-Perinatal Medicine Physician1831187533
  5. Mariam Karram-Fendoune, P.A.-CPhysician Assistant1568689255
  6. Rosemarie KeatingAdult Health Nurse Practitioner1154866689

Verify Mark Joseph Maguire in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 342899
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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85% fewer Medicare Part D claims than the average emergency medicine physician in 2024

33 Medicare Part D claims for 23 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Mark Maguire33
  2. Specialty average226

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Mark Joseph Maguire among 5,025 emergency medicine physician records in New York

Mark Joseph Maguire is one of 5,025 emergency medicine physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 88% of them.

  • NPI issued2021 · 88% of these records are older, 7% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2021 · median 2013 among the 3,232 with a school on file
  • Record last updated2026 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

27 emergency medicine physician records list a practice address in Oceanside

They are 27 of the 1,093 NPPES records with a practice address in Oceanside, and 5,025 emergency medicine physician records in New York.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Brian Beirne, D.O.Oceanside, NY 115721639155419
  2. Jeannine Eslinger, P.A.Oceanside, NY 115721700854817
  3. Daniel Ferrara, D.O.Oceanside, NY 115721811973852
  4. Stephen Gunn, D.O.Oceanside, NY 115721851378996
  5. Diana Kontonotas-Willis, DOOceanside, NY 115721609034842
  6. Joshua Kugler, M.D.Oceanside, NY 115721255318515
  7. Teddy Lee, D.O.Oceanside, NY 115721265410542
  8. Theresa Patel, M.D.Oceanside, NY 115721609886985

Common questions

What is Mark Joseph Maguire's NPI number?

Mark Joseph Maguire's National Provider Identifier (NPI) is 1629654363, issued on Mar 23, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mark Joseph Maguire located?

The NPPES record lists a practice address at One Healthy Way, Oceanside, NY, 11572. Phone: (212) 241-6500. Providers update this record themselves, so call before visiting.

How can I verify Mark Joseph Maguire's license?

NPPES lists New York license number 342899, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark Joseph Maguire prescribe under Medicare Part D?

In 2024, Mark Joseph Maguire had 33 Medicare Part D claims for 23 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.