Eric W Mills, MD, PHD

Primary specialty

Clinical Cardiac Electrophysiology PhysicianTaxonomy code 207RC0001X

License

271321 Issued in MA

Practice address

55 Fruit St
Boston, MA 02114-2621

Phone

(617) 726-2674

NPI assigned

Apr 28, 2016

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, NH2 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

Specialty

Cardiac ElectrophysiologyAlso: Cardiovascular Disease (Cardiology)

Education

Johns Hopkins University School of Medicine, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Massachusetts General Physicians Organization IncGroup PAC ID 2466365820, 3,494 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Massachusetts General Hospital Hospital, Boston, MA, CCN 220071
• Brigham and Women'S Hospital Hospital, Boston, MA, CCN 220110
• Newton-Wellesley Hospital Hospital, Newton, MA, CCN 220101
• North Shore Medical Center - Hospital, Salem, MA, CCN 220035
• Massachusetts Eye and Ear Infirmary - Hospital, Boston, MA, CCN 220075

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mills.eric.mgh@direct.partners.masshiway.net

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.

• Massachusetts General Physicians Organization Inc

  • Dermatology Physician
  • Boston, MA
  • NPI 1801874573

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Brigham & Womens Physicians Organization Inc

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1033535497
  Medicare reassignment NPD
• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  Medicare reassignment NPD
• Wentworth Douglass Physician Corporation

  • Magnetic Resonance Imaging Radiologic Technologist
  • Dover, NH
  • NPI 1447352430

  Cardiovascular Disease

  Medicare reassignment NPD
• General Hospital Corp

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1508390014
  NPD
• Wentworth Douglass Physician Corporation

  • Diagnostic Radiology Physician
  • Somersworth, NH
  • NPI 1295326494
  NPD

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

• Brigham & Womens Hospital, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1790717650
  Care Compare affiliation
• Massachusetts Eye and Ear Infirmary

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1639101751
  Care Compare affiliation
• Newton-Wellesley Hospital

  • General Acute Care Hospital
  • Newton, MA
  • NPI 1992737761
  Care Compare affiliation
• North Shore Medical Center, Inc.

  • General Acute Care Hospital
  • Salem, MA
  • NPI 1730121633
  Care Compare affiliation
• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  Care Compare affiliation

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

{
    "created_epoch": "1461801600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757289600000",
    "number": "1760837678",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142621",
            "telephone_number": "617-726-2674"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142621",
            "telephone_number": "617-726-2674"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "19 Old Rollinsford Rd Bldg B",
            "address_purpose": "LOCATION",
            "city": "Dover",
            "state": "NH",
            "postal_code": "038202807",
            "country_code": "US",
            "telephone_number": "603-516-4265",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "75 Francis St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021156106",
            "country_code": "US",
            "telephone_number": "617-732-5500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MILLS",
        "first_name": "ERIC",
        "middle_name": "W",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-04-28",
        "last_updated": "2025-09-08",
        "certification_date": "2025-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "271321",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NH",
            "license": "35187",
            "primary": false
        },
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "MA",
            "license": "271321",
            "primary": true
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MA",
            "license": "271321",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michaela Kathleen Millott, M.D.
• Catherine Ann Mills, MD
• David M Mills, MD
• Dixie Mills, MD
• Emily C Mills, MD
• Huan M. Mills, MD
• Jacqueline Michelle Mills, MD, MPP
• Julie Mills, LMHC
• Karen Dolores Mills
• Kimberly Ilene Mills, M.D.

• 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 Sep 8, 2025; 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.