Individual provider Active NPI

Geoffrey R. Oxnard, MD

  • Medical Oncology Physician
  • Boston, MA
National Provider Identifier
1033300157
Registry record updated May 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Oncology PhysicianTaxonomy code 207RX0202X
License
230804 Issued in MA
Practice address
830 Harrison Avenue, 3Rd FL
Moakley BLDG
Boston, MA 02118
Phone
(617) 638-6428
Fax
(617) 638-5756
NPI assigned
Aug 5, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Oncology Physician 207RX0202X 230804 MA Primary

Addresses

Primary practice location

830 Harrison Avenue, 3Rd FL
Moakley BLDG
Boston, MA 02118

Mailing address

960 Massachusetts Ave
FL 2
Boston, MA 02118

Other identifiers 2

IdentifierTypeStateIssuer
110088222AMedicaidMA
3129357MedicaidNH

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20110510000510 MA Practitioner - Medical OncologyPractitioner - Internal Medicine 0941486831 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Medical OncologyAlso: Internal Medicine
Education
University of Chicago, Pritzker School of Medicine, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Evans Medical Foundation IncGroup PAC ID 7416946546, 525 clinicians

Practice addresses (Care Compare)

1 Boston Medical Ctr PL
Boston, MA 02118-2908
Phone (617) 638-8000

72 E Newton St
CR Evans 124
Boston, MA 02118-2308
Phone (617) 638-7253

88 E Newton St
Boston, MA 02118-2308
Phone (617) 414-5405

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Boston Medical Center Corporation Current Accepting new patients
Evans Medical Foundation, Inc. CurrentSince Apr 1, 2021 Accepting new patients

Locations

88 Newton St
Boston, MA 02118
Phone (617) 638-7350

960 Massachusetts Ave
Ste 2
Boston, MA 02118

801 Albany St
Fl G
Roxbury, MA 02119

Interoperability endpoints

  • Direct secure messaging: goxnard138271@direct.bmc.masshiway.net

Organizations & group practices 2

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 8

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": "1186272000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779235200000",
    "number": "1033300157",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "960 MASSACHUSETTS AVE",
            "address_2": "FL 2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02118"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "830 HARRISON AVENUE, 3RD FL",
            "address_2": "MOAKLEY BLDG",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02118",
            "telephone_number": "617-638-6428",
            "fax_number": "617-638-5756"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OXNARD",
        "first_name": "GEOFFREY",
        "middle_name": "R.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-08-05",
        "last_updated": "2026-05-20",
        "certification_date": "2026-05-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "MA",
            "license": "230804",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110088222A",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3129357",
            "state": "NH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.