Individual provider Active NPI

Andrei Bandarchuk, M.D.

  • Hematology & Oncology Physician
  • Southbridge, MA
National Provider Identifier
1013323831
Registry record updated Oct 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
277056 Issued in MA
Practice address
55 Sayles St
Southbridge, MA 01550-1729
Phone
(508) 764-2400
Fax
(508) 909-7770
NPI assigned
Jul 2, 2014
Last updated
Oct 9, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 9, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 275825 NY
Hematology & Oncology Physician 207RH0003X 81532 WI
Hematology & Oncology Physician 207RH0003X 277056 MA Primary

Addresses

Primary practice location

55 Sayles St
Southbridge, MA 01550-1729

Mailing address

PO Box 40
Southbridge, MA 01550-0040
Phone (508) 909-7799

Other practice location 1

Marshfield Clinic Minocqua Center
9576 Hwy 70
Minocqua, WI 54548
Phone (715) 358-1000

Other identifiers 1

IdentifierTypeStateIssuer
277056OtherMAMEDICAL LICNESE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, WI2 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
I20181031000567 MA Practitioner - Hematology/Oncology 2365764107 Reassigns benefits to 1 organization
I20220823000809 WI Practitioner - Hematology/Oncology 2365764107 Reassigns benefits to 9 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hematology/Oncology
Education
Other, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
MCHS Hospitals IncGroup PAC ID 5698071173, shared by 28 NPIs, 1,195 clinicians
Pratt Medical Group IncGroup PAC ID 3375515661, 282 clinicians

Practice addresses (Care Compare)

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone (715) 387-5511

800 Washington St
Boston, MA 02111-1552
Phone (617) 636-5000

9576 Hwy 70
Minocqua, WI 54548-9067
Phone (715) 358-1710

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
81532WIMDCritical Care Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Memorial Hospital Inc CurrentSince Aug 22, 2022 Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince Aug 22, 2022 Accepting new patients
MCHS Hospitals Inc Internal Medicine Current Accepting new patients
Flambeau Hospital Inc CurrentSince Aug 22, 2022 Accepting new patients
Pratt Medical Group, Inc Internal Medicine Current Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Aug 22, 2022 Accepting new patients
Memorial Hospital Inc CurrentSince Aug 22, 2022 Accepting new patients
Pratt Medical Group, Inc Hematology & Oncology CurrentSince Jan 1, 2023 Accepting new patients
Pratt Medical Group, Inc CurrentSince Jan 1, 2023 Accepting new patients
MCHS Hospitals Inc CurrentSince Aug 22, 2022 Accepting new patients
Flambeau Hospital Inc CurrentSince Aug 22, 2022 Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince Aug 22, 2022 Accepting new patients
Marshfield Clinic Inc CurrentSince Aug 22, 2022 Accepting new patients
MCHS Hospitals Inc Current Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Aug 22, 2022 Accepting new patients
MCHS Hospitals Inc Internal Medicine CurrentSince Aug 22, 2022 Accepting new patients
Pratt Medical Group, Inc Past Accepting new patients

Locations

800 Washington St
Boston, MA 02111
Phone (617) 636-4800

705 S University Ave
Beaver Dam, WI 53916
Phone (920) 885-6090

3501 Golf Rd
Eau Claire, WI 54701
Phone (715) 858-4200

1000 N Oak Ave
Marshfield, WI 54449
Phone (715) 387-5111

1102 S Center Ave
Merrill, WI 54452
Phone (715) 536-3399

9576 State Highway 70
Minocqua, WI 54548
Phone (715) 358-1000

N3708 River Ave
Neillsville, WI 54456
Phone (715) 743-3101

1700 W Stout St
Rice Lake, WI 54868
Phone (715) 236-6133

Interoperability endpoints

  • Direct secure messaging: abandarchuk635118@direct.centracare.com
  • FHIR API: https://fhir-myrecord.cerner.com/r4/67ff075a-8289-4f2d-a8eb-5dc1f0d954ab/

Organizations & group practices 17

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.

View all 17

Hospital & facility affiliations 4

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": "1404259200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759968000000",
    "number": "1013323831",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 40",
            "city": "SOUTHBRIDGE",
            "state": "MA",
            "postal_code": "015500040",
            "telephone_number": "508-909-7799"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 SAYLES ST",
            "city": "SOUTHBRIDGE",
            "state": "MA",
            "postal_code": "015501729",
            "telephone_number": "508-764-2400",
            "fax_number": "508-909-7770"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "Marshfield Clinic Minocqua Center",
            "address_2": "9576 Hwy 70",
            "address_purpose": "LOCATION",
            "city": "Minocqua",
            "state": "WI",
            "postal_code": "54548",
            "country_code": "US",
            "telephone_number": "715-358-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BANDARCHUK",
        "first_name": "ANDREI",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2014-07-02",
        "last_updated": "2025-10-09",
        "certification_date": "2025-10-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "275825",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "WI",
            "license": "81532",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "MA",
            "license": "277056",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL LICNESE",
            "identifier": "277056",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Southbridge, MA

Sources for this page

Verify at the official NPI Registry.