Olivia Marie McLellan

Primary specialty

Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X

Practice address

335 Chandler St
Worcester, MA 01602-3441

Phone

(774) 250-2651

NPI assigned

Aug 17, 2026

Sex

Female

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1786924800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786924800000",
    "number": "1659286334",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "61 WASHINGTON ST UNIT 61-2",
            "city": "WEYMOUTH",
            "state": "MA",
            "postal_code": "021881701",
            "telephone_number": "201-485-9010"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "335 CHANDLER ST",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016023441",
            "telephone_number": "774-250-2651"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCLELLAN",
        "first_name": "OLIVIA",
        "middle_name": "MARIE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-08-17",
        "last_updated": "2026-08-17",
        "certification_date": "2026-08-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "MA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Margaret McLaughlin, RN
• Dianna McLaurin
• Riley E. McLean-Mandell, M.D.
• Caitlin McLean, PH.D.
• Georgia L McLean
• Emily E. McLendon, MD
• Meghan McLeod, CLINICIAN
• Martha McLoughlin, M.D.
• Anna E. McMahan, M.D.
• Christopher McMahan, DO

• Student in an Organized Health Care Education/Training Program in Worcester, MA
• Providers in Worcester, MA by specialty
• Student in an Organized Health Care Education/Training Program in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.