Nebyat Tadlo Mazengia

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

1023414 Issued in MA

Practice address

800 Washington St
Boston, MA 02111-1552

Phone

(617) 636-5689

Fax

(617) 636-4719

NPI assigned

Mar 31, 2022

Sex

Female

Sole proprietor

Yes

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 CT, MA2 enrollments

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 2

Medicare enrollment (NPD)

Enrolled

Interoperability endpoints

• Direct secure messaging: nmazengia571238@direct.ynhh.org

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

{
    "created_epoch": "1648684800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776816000000",
    "number": "1699415174",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 WASHINGTON ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021111552",
            "telephone_number": "617-636-5689",
            "fax_number": "617-636-4719"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 WASHINGTON ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021111552",
            "telephone_number": "617-636-5689",
            "fax_number": "617-636-4719"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAZENGIA",
        "first_name": "NEBYAT",
        "middle_name": "TADLO",
        "name_prefix": "Dr.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2022-03-31",
        "last_updated": "2026-04-22",
        "certification_date": "2026-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "MA",
            "license": "1023414",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• James Alexander Mays, MD
• Megan Mays, NP
• Guy Maytal, MD
• Melanie Maytin, M.D.
• Cyril Mazansky, M.D.
• Jonathan Mazer, M.D.
• Norman A Mazer, M.D.
• Sarah Butler Mazerall, MBA, MS, RD, LDN
• Varvara Mazina, MD
• Liza Berkowitz Mazo, LICSW

• Endocrinology, Diabetes & Metabolism Physician in Boston, MA
• Providers in Boston, MA by specialty
• Endocrinology, Diabetes & Metabolism Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 22, 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.