Sean Byrnes, MD

Primary specialty

Clinical Cardiac Electrophysiology PhysicianTaxonomy code 207RC0001X

License

1026783 Issued in MA

Practice address

50 Maple St
Springfield, MA 01103-1979

Phone

(413) 748-6484

NPI assigned

Apr 16, 2018

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in MA

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

Specialty

Cardiovascular Disease (Cardiology)

Education

Other, 2018

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

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": "1523836800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788998400000",
    "number": "1154818193",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "50 MAPLE ST",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011031979",
            "telephone_number": "413-748-6484"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "50 MAPLE ST",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011031979",
            "telephone_number": "413-748-6484"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "759 Chestnut St",
            "address_purpose": "LOCATION",
            "city": "Springfield",
            "state": "MA",
            "postal_code": "011990001",
            "country_code": "US",
            "telephone_number": "413-794-0000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "141 King St",
            "address_purpose": "LOCATION",
            "city": "Northampton",
            "state": "MA",
            "postal_code": "010602330",
            "country_code": "US",
            "telephone_number": "413-570-9505",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BYRNES",
        "first_name": "SEAN",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2018-04-16",
        "last_updated": "2026-09-10",
        "certification_date": "2026-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "MA",
            "license": "1026783",
            "primary": true
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MA",
            "license": "1026783",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "1026783",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ibelis Buzzetta
• Kennedy Aliece Byers
• Lashawna C Bynum
• Chelsea Byrd, PA-C
• Kaylan Marie Byrne, PA-C
• Tanner Mark Bzdel, PA
• C&M Healthcare LLC
• Ca Levanos, DDS Inc
• Caban Orthodontics, PC
• Marlene R Caban Quinones

• Clinical Cardiac Electrophysiology Physician in Springfield, MA
• Providers in Springfield, MA by specialty
• Clinical Cardiac Electrophysiology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.