NPIMap

Individual provider Active NPI

Alex Mathew, MD

  • Internal Medicine Physician
  • Rockaway Beach, NY
National Provider Identifier
1801026554
Registry record updated May 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
265603 Issued in NY
Practice address
9009 Rockaway Beach Blvd
Rockaway Beach, NY 11693-1531
Phone
(718) 701-6288
Fax
(718) 750-5005
NPI assigned
Jul 15, 2009
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 1, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 265603 NY Primary

Addresses

Primary practice location

9009 Rockaway Beach Blvd
Rockaway Beach, NY 11693-1531

Mailing address

1575 Hillside Avenue
Suite 103
New Hyde Park, NY 11040
Phone (516) 352-1804

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20121003000280 NY Practitioner - Internal MedicinePractitioner - Hospitalist 1254580426 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1979
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

100 Nicolls Rd
Stony Brook, NY 11794-0001
Phone (631) 444-1560

101 Nicolls Rd
Stony Brook, NY 11794-0001
Phone (631) 444-1560

Lauterbur Dr
Stony Brook, NY 11794-0001
Phone (632) 638-1000

Hospital & facility affiliations

  • Community Hospice, Inc, the Hospice, Albany, NY, CCN 331501
  • Suny/Stony Brook University Hospital Hospital, Stony Brook, NY, CCN 330393

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
265603NYMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stony Brook Internists, University Faculty Practice Corporation CurrentSince Sep 2, 2012 Accepting new patients
Stony Brook Internists, University Faculty Practice Corporation Internal Medicine CurrentSince Sep 2, 2012 Accepting new patients
University Hospital at Stony Brook Past Accepting new patients

Locations

100 Nicolls Rd
#13202
Stony Brook, NY 11794

100 Nicolls Rd
Stony Brook, NY 11794
Phone (631) 444-1560

Networks

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

Interoperability endpoints

  • Direct secure messaging: alex.mathew@direct.stonybrookmedicine.edu

Organizations & group practices 4

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.

Hospital & facility affiliations 7

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

NPI Registry JSON

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

{
    "created_epoch": "1247616000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777593600000",
    "number": "1801026554",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1575 HILLSIDE AVENUE",
            "address_2": "SUITE 103",
            "city": "NEW HYDE PARK",
            "state": "NY",
            "postal_code": "11040",
            "telephone_number": "516-352-1804",
            "fax_number": "516-352-1449"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9009 ROCKAWAY BEACH BLVD",
            "city": "ROCKAWAY BEACH",
            "state": "NY",
            "postal_code": "116931531",
            "telephone_number": "718-701-6288",
            "fax_number": "718-750-5005"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATHEW",
        "first_name": "ALEX",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-07-15",
        "last_updated": "2026-05-01",
        "certification_date": "2026-05-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "265603",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Rockaway Beach, NY

Sources for this page

Verify at the official NPI Registry.