Kathryn Hayward, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

70744 Issued in MA

Practice address

50 Staniford St
3Rd Floo S503
Boston, MA 02114-2517

Phone

(617) 724-8059

Fax

(617) 724-8067

NPI assigned

Oct 31, 2005

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

Other identifiers 3

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1130716800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1104817097",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9142",
            "city": "CHARLESTOWN",
            "state": "MA",
            "postal_code": "021299142",
            "telephone_number": "617-724-0287",
            "fax_number": "617-726-2894"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "50 STANIFORD ST",
            "address_2": "3RD FLOO S503",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142517",
            "telephone_number": "617-724-8059",
            "fax_number": "617-724-8067"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAYWARD",
        "first_name": "KATHRYN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-10-31",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "70744",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3102874",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS MA",
            "identifier": "J12493",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS HEALTH PLAN",
            "identifier": "070744",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Monique Sirron Haynes
• Patrick Haynes
• Deirdre Haynie, MS, OTR/L
• David Randall Hays III, MS, LMHC
• Brandon Robert Hayse
• Kathryn Hayward, LICSW
• Jillian Leigh Haywood, MD
• Nakita Haywood
• Inbar Hazan
• Ebru Hazar, DMD

• Internal Medicine Physician in Boston, MA
• Providers in Boston, MA by specialty
• Internal Medicine Physician 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.