Alexander CHI

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

1022622 Issued in MA

Practice address

33 Kendall St
Worcester, MA 01605-2726

Phone

(085) 334-6550

Fax

(508) 334-5624

NPI assigned

Jul 1, 2008

Last updated

Apr 25, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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 IL, NY, MA3 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 3

Specialty

Radiation Oncology

Education

Virginia Commonwealth University, School of Medicine, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

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
• Umass Memorial Health - Harrington Hospital Hospital, Southbridge, MA, CCN 220019
• Marlborough Hospital Hospital, Marlborough, MA, CCN 220049

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: achi348384@direct.froedtert.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Umass Memorial Medical Group Inc

  • Internal Medicine Physician
  • Worcester, MA
  • NPI 1760445373
  Medicare reassignment Care Compare group NPD
• Umass Memorial Medical Group, Inc.

  dba Urgent Care Express at Harrington

  • Urgent Care Clinic/Center
  • Oxford, MA
  • NPI 1982381018
  NPD
• Osf Healthcare System

  • Certified Registered Nurse Anesthetist
  • Monmouth, IL
  • NPI 1811016124
  NPD
• Peninsula Cancer Institute LLC

  dba Shore Cancer Institute

  • Hematology & Oncology Physician
  • Onancock, VA
  • NPI 1710218664
  NPD (past)

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

• Marlborough Hospital Corp

  dba Marlborough Hospital

  • Registered Dietitian
  • Marlborough, MA
  • NPI 1104488170

  Hospital

  Care Compare affiliation Name & address match
• Umass Memorial Health-Harrington Hospital Inc

  • General Acute Care Hospital
  • Southbridge, MA
  • NPI 1790780047
  Care Compare affiliation
• 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": "1214870400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745539200000",
    "number": "1366604217",
    "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": "33 KENDALL ST",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016052726",
            "telephone_number": "085-334-6550",
            "fax_number": "508-334-5624"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHI",
        "first_name": "ALEXANDER",
        "name_prefix": "Dr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-07-01",
        "last_updated": "2025-04-25",
        "certification_date": "2025-04-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "MA",
            "license": "1022622",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gautam P Chhajed, MD
• Ngoc Chhay
• Ramesh Chhetri
• Vishesh G. Chhibber, M.D.
• Jeffrey P Chhim, DNP MPH FNP-C RN
• Sandra A Chiancola, LICSW
• Karl Chiang, PHD
• Andrea C Chiaramonte, MD MPH
• Gunilla Chiaranda, LATC
• Takuyo Chiba, M.D.

• Radiation Oncology Physician in Worcester, MA
• Providers in Worcester, MA by specialty
• Radiation Oncology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 25, 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.