Guy Rozen, MD

Primary specialty

Clinical Cardiac Electrophysiology PhysicianTaxonomy code 207RC0001X

License

291880 Issued in MA

Practice address

860 Washington St
Boston, MA 02111-1521

Phone

(617) 636-5902

Fax

(617) 636-7830

NPI assigned

May 6, 2014

Sex

Male

Sole proprietor

No

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)Also: Internal Medicine

Education

Other, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Melrose Internal Medicine Assoc PCGroup PAC ID 6901984897, 7 clinicians

Cardiovascular Center at Tufts Medical Center IncGroup PAC ID 3870857816, 98 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Tufts Medical Center Hospital, Boston, MA, CCN 220116
• Melrosewakefield Healthcare Hospital, Melrose, MA, CCN 220070
• Southcoast Hospitals Group Hospital, Fall River, MA, CCN 220074

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: grozen84877@tuftsmedicine.direct-ci.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Cardiovascular Center at Tufts Medical Center, Inc.

  • Cardiovascular Disease Physician
  • Boston, MA
  • NPI 1447764253
  Medicare reassignment Care Compare group NPD
• Melrose Internal Medicine Assoc PC

  • Internal Medicine Physician
  • Melrose, MA
  • NPI 1629055538

  Cardiovascular Disease

  Medicare reassignment Care Compare group NPD
• Tufts Medical Center, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1730132515
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Melrosewakefield Healthcare, Inc.

  • General Acute Care Hospital
  • Medford, MA
  • NPI 1841290467
  Care Compare affiliation
• Southcoast Hospitals Group, Inc

  • General Acute Care Hospital
  • Wareham, MA
  • NPI 1922024835
  Care Compare affiliation
• Tufts Medical Center, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1730132515
  Care Compare affiliation

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

{
    "created_epoch": "1399334400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776556800000",
    "number": "1871903377",
    "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": "617-636-5902",
            "fax_number": "617-636-7830"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "860 WASHINGTON ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021111521",
            "telephone_number": "617-636-5902",
            "fax_number": "617-636-7830"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ROZEN",
        "first_name": "GUY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-05-06",
        "last_updated": "2026-04-19",
        "certification_date": "2026-04-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MA",
            "license": "291880",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MA",
            "license": "L-259311",
            "primary": false
        },
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "MA",
            "license": "291880",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nathalie Roy, M.D.
• Payel Jhoom Roy, MD
• Timothy Roy, BA, MSW, LCSW
• Hallie A Rozansky, MD
• Ilan Rozen Eisenberg, M.D.
• Jan Barry Rozen, D.D.S.
• Nancy H. Rozen, O.T.R.
• Stefano Rozental
• Tamara D Rozental, M.D.
• Brian Rozumny

• Clinical Cardiac Electrophysiology Physician in Boston, MA
• Providers in Boston, 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 Apr 19, 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.