Mark Joseph Maguire

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

342899 Issued in NY

Practice address

One Healthy Way
Oceanside, NY 11572

Phone

(212) 241-6500

NPI assigned

Mar 23, 2021

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Emergency MedicineAlso: Critical Care (Intensivists)

Education

Florida International Univ, College of Medicine, 2021

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Icahn School of Medicine at Mount Sinai

  dba Surgery Department of Mount Sinai School of Medicine

  • Surgery Physician
  • New York, NY
  • NPI 1770823551
  Medicare reassignment

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1616457600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778803200000",
    "number": "1629654363",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 GUSTAVE L. LEVY PLACE",
            "address_2": "BOX 1264",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "10029",
            "telephone_number": "212-241-6500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "ONE HEALTHY WAY",
            "city": "OCEANSIDE",
            "state": "NY",
            "postal_code": "11572",
            "telephone_number": "212-241-6500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAGUIRE",
        "first_name": "MARK",
        "middle_name": "JOSEPH",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-23",
        "last_updated": "2026-05-15",
        "certification_date": "2026-05-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NY",
            "license": "342899",
            "primary": true
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "NY",
            "license": "342899",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Erik Craig Lyons, NP
• Hai-Wen Ma, MD
• Glenn John Macdonald, M D
• Cathy Madden, RN
• Tiffany Rose Magno, CRNA
• Lisa Mahabir, PHARMD
• Timothy Mailloux, M.D.
• Abhimannu Majumder, DO
• Simona Maksimyan, DO
• Gloria Malamud, M.A., C.C.C.

• Emergency Medicine Physician in Oceanside, NY
• Providers in Oceanside, NY by specialty
• Emergency Medicine Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 15, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.