Martin Thomas Schwartz, DDS

Primary specialty

Oral and Maxillofacial Surgery (Dentist)Taxonomy code 1223S0112X

License

9950 Issued in MA

Practice address

18 North Rd
Chelmsford, MA 01824-2718

Phone

(978) 256-3171

Fax

(978) 244-0497

NPI assigned

Apr 14, 2006

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

State licenses

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

{
    "created_epoch": "1144972800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1861456949",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18 NORTH RD",
            "city": "CHELMSFORD",
            "state": "MA",
            "postal_code": "018242718",
            "telephone_number": "978-256-3171",
            "fax_number": "978-244-0497"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18 NORTH RD",
            "city": "CHELMSFORD",
            "state": "MA",
            "postal_code": "018242718",
            "telephone_number": "978-256-3171",
            "fax_number": "978-244-0497"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SCHWARTZ",
        "first_name": "MARTIN",
        "middle_name": "THOMAS",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-14",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223S0112X",
            "taxonomy_group": "",
            "desc": "Dentist, Oral and Maxillofacial Surgery",
            "state": "MA",
            "license": "9950",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kasey L Schissler
• Lisa Susan Schmidt, OTR/L
• Melissa Rae Schuft, PNP
• Monica T Schulman, NP
• Ann F Schummers, NP
• Giorgio Bruno Sciortino
• Ashley Scott
• Seashell Dental PLLC (Omni Dental Chelmsford)
• Kasirye Segwanyi, MA
• Samantha Ann Selfridge, FNP-C

• Oral and Maxillofacial Surgery (Dentist) in Chelmsford, MA
• Providers in Chelmsford, MA by specialty
• Oral and Maxillofacial Surgery (Dentist) in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.