Meghan Oswald, D.M.D, M.D

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

331310 Issued in NY

Practice address

75 N Country Rd
Port Jefferson, NY 11777-2119

Phone

(631) 473-1320

NPI assigned

Jul 2, 2012

Sex

Female

Sole proprietor

Yes

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

Psychiatry

Education

Oregon Health Sciences University School of Medicine, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

North Shore-Lij Medical PCGroup PAC ID 3375701568, 6,374 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• NS/Lij HS Southside Hospital Hospital, Bay Shore, NY, CCN 330043

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

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

Interoperability endpoints

• Direct secure messaging: moswald254179@direct.bmc.masshiway.net

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.

• North Shore-Lij Medical PC

  • Urology Physician
  • Great Neck, NY
  • NPI 1053688572

  Single Specialty

  Medicare reassignment Care Compare group NPD
• John T. Mather Memorial Hospital

  • Critical Care Medicine (Internal Medicine) Physician
  • Port Jefferson, NY
  • NPI 1467249334

  Single Specialty

  Medicare reassignment NPD
• North Shore - Lij Medical PC

  • Internal Medicine Physician
  • New Hyde Park, NY
  • NPI 1790043479
  NPD
• Boston Medical Center Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1346218294
  NPD

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

• South Shore University Hospital

  • General Acute Care Hospital
  • Bay Shore, NY
  • NPI 1457369381
  Care Compare affiliation

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

{
    "created_epoch": "1341187200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772409600000",
    "number": "1740544931",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "301 E MAIN ST",
            "city": "BAY SHORE",
            "state": "NY",
            "postal_code": "117068408"
        },
        {
            "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": "117772119",
            "telephone_number": "631-473-1320"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OSWALD",
        "first_name": "MEGHAN",
        "name_prefix": "Dr.",
        "credential": "D.M.D, M.D",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2012-07-02",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NY",
            "license": "331310",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Muhammed Miran Oncel, MD
• Rebecca M Onuorah
• Patricia Ann Oreilly, P.T.A.
• Francesca Ortenzio
• Jermaine Osei-Tutu, DO
• Otolaryngology Associates of Long Island
• Thomas Overholt, M.D.
• Marylou Paccione, LCSW
• Bea Paladino Sussman, RN
• Mary Cherian Palathra, D.O.

• 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 Mar 2, 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.