Individual provider Active NPI

Bimalangshu Ranjan Dey, MD

  • Hematology & Oncology Physician
  • Boston, MA
National Provider Identifier
1679563845
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
77992 Issued in MA
Practice address
330 Brookline Ave
Boston, MA 02215-5491
Phone
(617) 667-9920
Fax
(617) 667-9922
NPI assigned
Oct 27, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X 77992 MA Primary

Addresses

Primary practice location

330 Brookline Ave
Boston, MA 02215-5491

Mailing address

PO Box 9142
Boston, MA 02114-0041
Phone (617) 667-9920

Other practice location 1

5 Alumni Dr
Exeter, NH 03833-2160
Phone (603) 778-7311

Other identifiers 3

IdentifierTypeStateIssuer
3122352MedicaidMA
730443OtherMATUFTS HEALTH PLAN
J30424OtherMABCBS MA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, NH2 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
I20040608000777 MA Practitioner - Hematology/OncologyPractitioner - Internal Medicine 8325021736 Reassigns benefits to 7 organizations
I20130807000881 NH Practitioner - Hematology/OncologyPractitioner - Internal Medicine 8325021736 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hematology/OncologyAlso: Internal Medicine
Education
Other, 1985
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Core Physicians LLCGroup PAC ID 2769563253, 290 clinicians

Practice addresses (Care Compare)

330 Brookline Ave
Boston, MA 02215-5400
Phone (617) 754-8612

41 Highland Ave
Winchester, MA 01890-1446
Phone (781) 983-9088

5 Alumni Dr
Exeter, NH 03833-2128
Phone (603) 580-6457

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Skin biopsy1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is Current Accepting new patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is CurrentSince Oct 1, 2024 Accepting new patients
The General Hospital Corporation CurrentSince Jun 14, 1994 Accepting new patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is CurrentSince Oct 1, 2024 Accepting new patients
Core Physicians, LLC CurrentSince Oct 1, 2024 Accepting new patients
Core Physicians LLC CurrentSince Oct 1, 2024 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Oct 14, 2024 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Oct 14, 2024 Accepting new patients
Beth Israel Deaconess Medical Center, Inc. Past Accepting new patients

Locations

330 Brookline Ave
Boston, MA 02215
Phone (617) 667-2000

55 Fruit St
Boston, MA 02114

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

199 Reedsdale Rd
Milton, MA 02186
Phone (617) 313-1000

101 Page St
New Bedford, MA 02740
Phone (508) 961-5425

5 Alumni Dr
Fl 1
Exeter, NH 03833

7 Holland Way
#1
Exeter, NH 03833

5 Alumni Dr
Exeter, NH 03833
Phone (603) 580-6339

3 Alumni Dr
Ste 301
Exeter, NH 03833
Phone (603) 658-1180

Interoperability endpoints

  • Direct secure messaging: bdey94338@direct.bilh.masshiway.net
  • FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

Organizations & group practices 12

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 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": "1130371200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1679563845",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9142",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021140041",
            "telephone_number": "617-667-9920",
            "fax_number": "617-667-9922"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "330 BROOKLINE AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155491",
            "telephone_number": "617-667-9920",
            "fax_number": "617-667-9922"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5 Alumni Dr",
            "address_purpose": "LOCATION",
            "city": "Exeter",
            "state": "NH",
            "postal_code": "038332160",
            "country_code": "US",
            "telephone_number": "603-778-7311",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DEY",
        "first_name": "BIMALANGSHU",
        "middle_name": "RANJAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-27",
        "last_updated": "2026-07-13",
        "certification_date": "2026-03-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "MA",
            "license": "77992",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3122352",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS HEALTH PLAN",
            "identifier": "730443",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS MA",
            "identifier": "J30424",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.