Active NPI
Andrei Bandarchuk, M.D.
- Hematology & Oncology Physician
- Southbridge, MA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology & Oncology Physician
- License
- 277056
- 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, 2025
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 277056 | Other | MA | MEDICAL LICNESE |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MA, WI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
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 Inc
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
| License | State | Type | Specialty |
|---|---|---|---|
| 81532 | WI | MD | Critical Care Medicine (Internal Medicine) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Memorial Hospital Inc | Current | Accepting new patients | |
| Lakeview Medical Center Inc of Rice Lake | Current | Accepting new patients | |
| MCHS Hospitals Inc | Internal Medicine | Current | Accepting new patients |
| Flambeau Hospital Inc | Current | Accepting new patients | |
| Pratt Medical Group, Inc | Internal Medicine | Current | Accepting new patients |
| Beaver Dam Community Hospitals Inc | Current | Accepting new patients | |
| Memorial Hospital Inc | Current | Accepting new patients | |
| Pratt Medical Group, Inc | Hematology & Oncology | Current | Accepting new patients |
| Pratt Medical Group, Inc | Current | Accepting new patients | |
| MCHS Hospitals Inc | Current | Accepting new patients | |
| Flambeau Hospital Inc | Current | Accepting new patients | |
| Lakeview Medical Center Inc of Rice Lake | Current | Accepting new patients | |
| Marshfield Clinic Inc | Current | Accepting new patients | |
| MCHS Hospitals Inc | Current | Accepting new patients | |
| Beaver Dam Community Hospitals Inc | Current | Accepting new patients | |
| MCHS Hospitals Inc | Internal Medicine | Current | 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
- abandarchuk635118@direct.centracare.com
- 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.
-
dba Pratt Medical Group, Inc-General Medical Associates
- Internal Medicine Physician
- Boston, MA
- NPI 1275570319
-
dba Marshfield Medical Center - Beaver Dam Professional Services
- Clinic/Center
- Beaver Dam, WI
- NPI 1972188555
-
dba MMC - Park Falls Outreach Services
- Clinic/Center
- Park Falls, WI
- NPI 1194317966
-
dba Marshfield Medical Center - Park Falls
- Critical Access Hospital
- Park Falls, WI
- NPI 1700963048
-
dba Marshfield Medical Center - Rice Lake Professional Services
- Clinic/Center
- Rice Lake, WI
- NPI 1093201832
-
dba Marshfield Clinic Florida Teleradiology/Telehealth
- Clinic/Center
- Marshfield, WI
- NPI 1952347981
-
dba Marshfield Medical Center
- Clinic/Center
- Marshfield, WI
- NPI 1093221434
Internal Medicine
-
dba Marshfield Medical Center - Ladysmith
- Critical Access Hospital
- Ladysmith, WI
- NPI 1952890873
-
dba Marshfield Medical Center - Neillsville
- Critical Access Hospital
- Neillsville, WI
- NPI 1346239373
-
dba Pratt Medical Group, Inc- Hematology/Oncology
- Hematology & Oncology Physician
- Boston, MA
- NPI 1386964179
-
dba Pratt Medical Group, Inc - Pulmonary Disease
- Pulmonary Disease Physician
- Boston, MA
- NPI 1508187642
-
dba Hillside Unit Pharmacy (DME)
- Pharmacy
- Beaver Dam, WI
- NPI 1295771780
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Tufts Medical Center
- General Acute Care Hospital
- Boston, MA
- NPI 1730132515
-
dba Saint Vincent Hospital
- General Acute Care Hospital
- Worcester, MA
- NPI 1538131214
-
dba MetroWest Medical Center
- General Acute Care Hospital
- Framingham, MA
- NPI 1740252592
-
dba Marshfield Medical Center - Minocqua
- Rural Acute Care Hospital
- Minocqua, WI
- NPI 1376197665
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 9, 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.