What is Geoffrey Oxnard's specialty?

Geoffrey Oxnard (NPI 1033300157) is a Medicare-billing provider whose primary specialty is Medical Oncology in Boston, MA.

Where does Geoffrey Oxnard practice?

Geoffrey Oxnard practices in Boston, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1033300157.

How much does Medicare pay Geoffrey Oxnard?

Geoffrey Oxnard (NPI 1033300157) received approximately $4K in total Medicare Part B payments, serving 12 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1033300157

Geoffrey OxnardMD

Medical OncologyBoston, MAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$217K

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Osimertinib Mesylate12 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 220031

Hospital

REFERRAL NETWORK

Where Geoffrey Oxnard's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 1 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Nikhil Ramaiya Diagnostic Radiology · West Palm Beach, FL	13	79

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
DANA-FARBER CANCER INSTITUTE, INC.	81	1,248
BRIGHAM & WOMENS HOSPITAL, INC.	44	320
Ritu Gill Diagnostic Radiology · New York, NY	16	55
DUNNE, RUTH	15	56
Rachna Madan Diagnostic Radiology · Boston, MA	11	47

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events