Steve Theodore Matthews, DO

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

335000 Issued in NY

Practice address

75 N Country Rd
Port Jefferson, NY 11777-2190

Phone

(631) 686-2518

NPI assigned

Mar 24, 2021

Last updated

Jun 3, 2025By the provider in NPPES

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

Psychiatry

Education

New York College of Osteo Medicine of New York Institute of Technology, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

John T Mather Memorial HospitalGroup PAC ID 1254237753, 176 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• John T Mather Memorial Hospital of Port Jefferson Hospital, Port Jefferson, NY, CCN 330185

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

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

• John T. Mather Memorial Hospital

  • Critical Care Medicine (Internal Medicine) Physician
  • Port Jefferson, NY
  • NPI 1467249334
  Medicare reassignment Care Compare group NPD

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

• John T. Mather Memorial Hospital

  • General Acute Care Hospital
  • Port Jefferson, NY
  • NPI 1093718728
  Care Compare affiliation

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

{
    "created_epoch": "1616544000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748908800000",
    "number": "1457938664",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "75 N COUNTRY RD",
            "city": "PORT JEFFERSON",
            "state": "NY",
            "postal_code": "117772190"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 N COUNTRY RD",
            "city": "PORT JEFFERSON",
            "state": "NY",
            "postal_code": "117772190",
            "telephone_number": "631-686-2518"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATTHEWS",
        "first_name": "STEVE",
        "middle_name": "THEODORE",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-24",
        "last_updated": "2025-06-03",
        "certification_date": "2025-06-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NY",
            "license": "335000",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Diana Matari, PA-C
• Mather Faculty Medical Affiliates, University Faculty Practice Corpora
• Mather Primary Care, PLLC
• Kaitlyn Jane Matter, DMD
• Matthew Franco O.T.P.C.
• Gabrielle McAndrews, PSY.D.
• Gloria McCann Fortune, NP
• Maureen Veronica McCann, NP
• Maryellen McCarthy
• Tara McConnon, DO

• Psychiatry Physician in Port Jefferson, NY
• Providers in Port Jefferson, NY by specialty
• Psychiatry Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 3, 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.