Xixi Xu

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

291700 Issued in MA

Practice address

55 Lake Ave N
Worcester, MA 01655-0002

Phone

(508) 334-3068

NPI assigned

Mar 26, 2019

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

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

Gastroenterology

Education

Boston University School of Medicine, 2019

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)

Hospital & facility affiliations

• Umass Memorial Medical Center/University Campus Hospital, Worcester, MA, CCN 220163

Medicare enrollment (NPD)

Enrolled

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
  Care Compare group

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

• Umass Memorial Medical Center, Inc.

  • General Acute Care Hospital
  • Worcester, MA
  • NPI 1831151455
  Care Compare affiliation

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

{
    "created_epoch": "1553558400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774569600000",
    "number": "1811458722",
    "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"
        },
        {
            "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": "508-334-3068"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "21 Eastern Ave",
            "address_purpose": "LOCATION",
            "city": "Worcester",
            "state": "MA",
            "postal_code": "016053094",
            "country_code": "US",
            "telephone_number": "508-334-8419",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "119 Belmont St",
            "address_purpose": "LOCATION",
            "city": "Worcester",
            "state": "MA",
            "postal_code": "016052903",
            "country_code": "US",
            "telephone_number": "508-334-3068",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "28 Newton St",
            "address_purpose": "LOCATION",
            "city": "Southborough",
            "state": "MA",
            "postal_code": "017721215",
            "country_code": "US",
            "telephone_number": "508-334-3068",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "XU",
        "first_name": "XIXI",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-26",
        "last_updated": "2026-03-27",
        "certification_date": "2026-03-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MA",
            "license": "291700",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Wei Xing, M.D.
• Kelly Xu, MD
• Shiming Xu
• Ting Yu Xu, M.D.
• Xiaocao Xu, MD
• Adrianna Xue
• Y.O.U., Inc. Family Center
• Y.O.U.,Inc.
• Antonio Yaghy, MD
• Amber Lynn Yahnian

• Gastroenterology Physician in Worcester, MA
• Providers in Worcester, MA by specialty
• Gastroenterology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 27, 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.