Christopher Madias, M.D.

Primary specialty

Clinical Cardiac Electrophysiology PhysicianTaxonomy code 207RC0001X

License

221398 Issued in MA

Practice address

800 Washington St
Boston, MA 02111-1552

Phone

(617) 636-5000

Fax

(617) 636-7667

NPI assigned

Mar 18, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

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: Cardiac Electrophysiology, Internal Medicine

Education

Tufts University School of Medicine, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

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
• Lowell General Hospital Hospital, Lowell, MA, CCN 220063
• South Shore Hospital Hospital, South Weymouth, MA, CCN 220100
• Massachusetts Eye and Ear Infirmary - Hospital, Boston, MA, CCN 220075

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cmadias29227@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
• Pratt Medical Group, Inc

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1275570319
  Medicare reassignment NPD
• Melrose Internal Medicine Assoc PC

  • Internal Medicine Physician
  • Melrose, MA
  • NPI 1629055538
  Medicare reassignment
• Pratt Medical Group, Inc

  • Pulmonary Disease Physician
  • Boston, MA
  • NPI 1508187642
  NPD
• Pratt Medical Group, Inc

  • Cardiovascular Disease Physician
  • Boston, MA
  • NPI 1841510633
  NPD
• Hallmark Health Medical Associates Inc

  • Family Medicine Physician
  • Medford, MA
  • NPI 1770563900

  Internal Medicine

  NPD (past)
• 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.

• Massachusetts Eye and Ear Infirmary

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1639101751
  Care Compare affiliation
• Melrosewakefield Healthcare, Inc.

  • General Acute Care Hospital
  • Medford, MA
  • NPI 1841290467
  Care Compare affiliation
• South Shore Hospital Inc.

  • General Acute Care Hospital
  • South Weymouth, MA
  • NPI 1134227606
  Care Compare affiliation
• The Lowell General Hospital

  • General Acute Care Hospital
  • Lowell, MA
  • NPI 1407804669
  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": "1174176000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774828800000",
    "number": "1174647036",
    "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": "617-636-5000",
            "fax_number": "617-636-7667"
        },
        {
            "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": "617-636-5000",
            "fax_number": "617-636-7667"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "50 Rowe St Ste 500",
            "address_purpose": "LOCATION",
            "city": "Melrose",
            "state": "MA",
            "postal_code": "021763201",
            "country_code": "US",
            "telephone_number": "781-979-3800",
            "fax_number": "401-662-2778",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MADIAS",
        "first_name": "CHRISTOPHER",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-03-18",
        "last_updated": "2026-03-30",
        "certification_date": "2026-03-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "221398",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "IL",
            "license": "036-125606",
            "primary": false
        },
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "IL",
            "license": "036-125606",
            "primary": false
        },
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "MA",
            "license": "221398",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alexis Madej, M.S., R.D., L.D.N.
• Arin L. Madenci, MD
• Kristin Anne Madenci, MD
• Sarina Madhavan, MD
• Vandana Laxmi Madhavan, MD
• Nancy Kay Madigan, PH.D.
• Lauren Ullman Madoff, M.D.
• Angela Bouchard Madore, LICSW
• Raul J. Madrid-Zepeda, M.D.
• Emilio Madrigal, DO

• 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 Mar 30, 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.