Mariaelena N Terzis, DO

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

1020705 Issued in MA

Practice address

133 Littleton Rd Ste 101
Westford, MA 01886-3198

Phone

(978) 577-0437

NPI assigned

Mar 21, 2023

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

Enrolled in ME

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

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

{
    "created_epoch": "1679356800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787875200000",
    "number": "1023710233",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "133 LITTLETON RD STE 101",
            "city": "WESTFORD",
            "state": "MA",
            "postal_code": "018863198",
            "telephone_number": "978-577-0437"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "133 LITTLETON RD STE 101",
            "city": "WESTFORD",
            "state": "MA",
            "postal_code": "018863198",
            "telephone_number": "978-577-0437"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TERZIS",
        "first_name": "MARIAELENA",
        "middle_name": "N",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-03-21",
        "last_updated": "2026-08-28",
        "certification_date": "2026-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MA",
            "license": "1020705",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gerald Jerry Swee, D.M.D
• Elizabeth Ann Szenher-Brown
• Amanda Szidat
• Christopher Tao, PHARMD
• Sarah F Taylor, MD
• Marc J Tessler, D.M.D.
• Thomas D Schofield & Stephen R Martin DMD PC
• Brian L Ting, D.M.D
• Christine M Tobin, PT
• Melissa Nicole Toupin

• Pediatrics Physician in Westford, MA
• Providers in Westford, MA by specialty
• Pediatrics Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 28, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.