Altonio Demarques Hosey, MD

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

336661 Issued in NY

Practice address

101 Pennsylvania Avenue
Internal Medicine
Brooklyn, NY 11207-2428

Phone

(718) 240-2000

Fax

(718) 240-2260

NPI assigned

Mar 21, 2019

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

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

Cardiovascular Disease (Cardiology)

Education

State University of New York at Stony Brook, School of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Advantagecare Physicians PCGroup PAC ID 2365735008, 307 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Maimonides Medical Center Hospital, Brooklyn, NY, CCN 330194

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H1722

Interoperability endpoints

• Direct secure messaging: ahosey55770@direct.acpny.com
• Direct secure messaging: ahosey135951@uihealth.direct-ci.com
• FHIR API: https://epwebapps.acpny.com/FHIRproxy/ACPNY/api/FHIR/R4

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.

• Advantagecare Physicians PC

  • General Practice Physician
  • New York, NY
  • NPI 1336578772
  Medicare reassignment Care Compare group NPD
• Advantagecare Physicians PC

  • Internal Medicine Physician
  • Staten Island, NY
  • NPI 1063954113
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Maimonides Medical Center

  • General Acute Care Hospital
  • Brooklyn, NY
  • NPI 1093777492
  Care Compare affiliation

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

{
    "created_epoch": "1553126400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755129600000",
    "number": "1619437134",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 WATER ST FL 2",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100410010",
            "telephone_number": "646-680-2888",
            "fax_number": "516-542-5556"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 PENNSYLVANIA AVENUE",
            "address_2": "INTERNAL MEDICINE",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112072428",
            "telephone_number": "718-240-2000",
            "fax_number": "718-240-2260"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "447 Atlantic Ave",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "112171702",
            "country_code": "US",
            "telephone_number": "718-858-6300",
            "fax_number": "718-858-0145",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HOSEY",
        "first_name": "ALTONIO",
        "middle_name": "DEMARQUES",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-21",
        "last_updated": "2025-08-14",
        "certification_date": "2025-08-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NY",
            "license": "336661",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hosam Inc
• Faye Hoschander, R.P.T.
• Meghan Hoschander, LMSW
• Moshe Hoschander, LMSW
• Devin Javed Hosein
• Haley A Hosking, OTR/L
• Hosp Pharma LLC
• Hosp. RX, Inc.
• Akram Hossain, MD
• Fahima Hossain

• Cardiovascular Disease Physician in Brooklyn, NY
• Providers in Brooklyn, NY by specialty
• Cardiovascular Disease Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 14, 2025; 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.