Cynthia A Ennis, D.O.

Primary specialty

Clinical Cardiac Electrophysiology PhysicianTaxonomy code 207RC0001X

License

226634 Issued in MA

Practice address

100 South St
Southbridge, MA 01550-4051

Phone

(508) 764-6041

Fax

(508) 764-6318

NPI assigned

Jun 1, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 2

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

Cardiac ElectrophysiologyAlso: Cardiovascular Disease (Cardiology), Internal Medicine

Education

Other, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Umass Memorial Medical Group IncGroup PAC ID 4284539891, 2,494 clinicians

Heart Center of Metrowest, Inc.Group PAC ID 9931150166, 16 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Umass Memorial Medical Center/University Campus Hospital, Worcester, MA, CCN 220163
• Metrowest Medical Center Hospital, Framingham, MA, CCN 220175
• Umass Memorial Health - Harrington Hospital Hospital, Southbridge, MA, CCN 220019
• Umass Memorial Healthalliance Hospitals Hospital, Leominster, MA, CCN 220001

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as apm

Quality

82.98

Promoting interoperability

100

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cennis11112@umassmemorial.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.

• Umass Memorial Medical Group Inc

  • Internal Medicine Physician
  • Worcester, MA
  • NPI 1760445373
  Medicare reassignment Care Compare group NPD
• Heart Center of Metrowest Inc

  • Cardiovascular Disease Physician
  • Framingham, MA
  • NPI 1598756132
  Medicare reassignment Care Compare group
• Umass Memorial Medical Group, Inc.

  • Urgent Care Clinic/Center
  • Oxford, MA
  • NPI 1982381018
  NPD
• Umass Memorial Medical Center, Inc.

  • General Acute Care Hospital
  • Worcester, MA
  • NPI 1831151455
  NPD (past)

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

• Umass Memorial Health-Harrington Hospital Inc

  • General Acute Care Hospital
  • Southbridge, MA
  • NPI 1790780047
  Care Compare affiliation
• Umass Memorial Healthalliance Clinton Hospital Inc

  • General Acute Care Hospital
  • Leominster, MA
  • NPI 1013995133
  Care Compare affiliation
• Umass Memorial Healthalliance Clinton Hospital Inc

  • Psychiatric Hospital Unit
  • Clinton, MA
  • NPI 1285171934
  Care Compare affiliation
• Umass Memorial Medical Center, Inc.

  • General Acute Care Hospital
  • Worcester, MA
  • NPI 1831151455
  Care Compare affiliation
• VHS Acquisition Subsidiary Number 9 Inc

  • General Acute Care Hospital
  • Framingham, MA
  • NPI 1740252592
  Care Compare affiliation

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

{
    "created_epoch": "1149120000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772668800000",
    "number": "1881631489",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 415348",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022415348"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 SOUTH ST",
            "city": "SOUTHBRIDGE",
            "state": "MA",
            "postal_code": "015504051",
            "telephone_number": "508-764-6041",
            "fax_number": "508-764-6318"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "55 Lake Ave N",
            "address_2": "UMass Memorial Medical Center",
            "address_purpose": "LOCATION",
            "city": "Worcester",
            "state": "MA",
            "postal_code": "016550002",
            "country_code": "US",
            "telephone_number": "508-334-3452",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ENNIS",
        "first_name": "CYNTHIA",
        "middle_name": "A",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-01",
        "last_updated": "2026-03-05",
        "certification_date": "2026-03-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MA",
            "license": "226634",
            "primary": false
        },
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "MA",
            "license": "226634",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110082449A",
            "state": "MA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cennis11112@UmassMemorial.direct-ci.com",
            "affiliation": "N",
            "address_1": "55 Lake Ave N",
            "address_2": "UMass Memorial Medical Center",
            "city": "Worcester",
            "state": "MA",
            "country_code": "US",
            "postal_code": "016550002",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "55 Lake Ave N",
            "address_2": "UMass Memorial Medical Center",
            "city": "Worcester",
            "state": "MA",
            "country_code": "US",
            "postal_code": "016550002",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Carol Ann Eliadi, NP
• Sally Ellis
• Nicole Ellsworth
• Samantha Emberley
• Empowered Repose Counseling LLC
• Bonnie Escobar
• Gui Hua Estes, LMSW
• Cassandra Estey
• Kathleen Faherty
• Sandra Anne Fallon, LICSW

• Clinical Cardiac Electrophysiology Physician in Southbridge, MA
• Providers in Southbridge, 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 5, 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.