Margret Paul O'Connor, CNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

RN2287961 Issued in MA

Practice address

119 Belmont St
Worcester, MA 01605-2903

Phone

(774) 442-5545

Fax

(774) 443-7042

NPI assigned

Nov 17, 2025

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

Electronic endpoints 1

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Nurse Practitioner

State licenses

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

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

{
    "created_epoch": "1763337600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775001600000",
    "number": "1114887460",
    "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",
            "telephone_number": "800-225-8885",
            "fax_number": "508-334-1977"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "119 BELMONT ST",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016052903",
            "telephone_number": "774-442-5545",
            "fax_number": "774-443-7042"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "555 Main St",
            "address_purpose": "LOCATION",
            "city": "Shrewsbury",
            "state": "MA",
            "postal_code": "015452932",
            "country_code": "US",
            "telephone_number": "508-842-2010",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'CONNOR",
        "first_name": "MARGRET",
        "middle_name": "PAUL",
        "credential": "CNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-11-17",
        "last_updated": "2026-04-01",
        "certification_date": "2026-04-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MA",
            "license": "RN2287961",
            "primary": true
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MA",
            "license": "RN2287961",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "119 Belmont St",
            "city": "Worcester",
            "state": "MA",
            "country_code": "US",
            "postal_code": "016052903",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• June R O'Connor, M.D.
• Katie O'Connor
• Kerry Lee O'Connor, N.P.
• Kristen O'Connor
• Laurel C. O'Connor, MD
• Mark Joseph O'Connor, M.D.
• Samantha O'Connor
• Sean O'Connor
• Daniel D. O'Day, D.C.
• Kevin W. O'Day, M.D.

• Family Nurse Practitioner in Worcester, MA
• Providers in Worcester, MA by specialty
• Family Nurse Practitioner in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 1, 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.