Individual provider Active NPI

Judith Ann Siegel, MD

  • Orthopaedic Surgery Physician
  • Worcester, MA
National Provider Identifier
1518175058
Registry record updated Dec 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
236373 Issued in MA
Practice address
55 Lake Ave N
Worcester, MA 01655-0002
Phone
(508) 334-2372
Fax
(508) 334-3408
NPI assigned
May 18, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 29, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X 2020-03761 NC
Orthopaedic Surgery Physician 207X00000X 236373 MA Primary

Addresses

Primary practice location

55 Lake Ave N
Worcester, MA 01655-0002

Mailing address

PO Box 415348
Boston, MA 02241-5348

Other practice location 1

101 Manning Dr
Chapel Hill, NC 27514-4220
Phone (919) 843-3380

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address jsiegel651818@direct.UNC.nchie.net Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, NC2 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

Enrollment IDStateProvider typePAC IDDetails
I20080910000297 MA Practitioner - Orthopedic Surgery 6103919949 Reassigns benefits to 1 organization
I20201210001966 NC Practitioner - Orthopedic Surgery 6103919949

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Temple University School of Medicine, 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

Practice addresses (Care Compare)

55 Lake Ave N
Worcester, MA 01655-0002
Phone (508) 334-1000

Hospital & facility affiliations

  • Umass Memorial Medical Center/University Campus Hospital, Worcester, MA, CCN 220163
  • Unc Hospitals Hospital, Chapel Hill, NC, CCN 340061
  • Milford Regional Medical Center Hospital, Milford, MA, CCN 220090

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of tissue1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Interoperability endpoints

  • Direct secure messaging: jsiegel651818@direct.unc.nchie.net

Organizations & group practices 1

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.

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1179446400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766966400000",
    "number": "1518175058",
    "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": "55 LAKE AVE N",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016550002",
            "telephone_number": "508-334-2372",
            "fax_number": "508-334-3408"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "101 Manning Dr",
            "address_purpose": "LOCATION",
            "city": "Chapel Hill",
            "state": "NC",
            "postal_code": "275144220",
            "country_code": "US",
            "telephone_number": "919-843-3380",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIEGEL",
        "first_name": "JUDITH",
        "middle_name": "ANN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-05-18",
        "last_updated": "2025-12-29",
        "certification_date": "2025-12-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "NC",
            "license": "2020-03761",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "MA",
            "license": "236373",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jsiegel651818@direct.UNC.nchie.net",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CDA/CCD/TXT",
            "address_1": "101 Manning Dr",
            "city": "Chapel Hill",
            "state": "NC",
            "country_code": "US",
            "postal_code": "275144220",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Worcester, MA

Sources for this page

Verify at the official NPI Registry.