What is David Marcus's specialty?

David Marcus (NPI 1306089362) is a Medicare-billing provider whose primary specialty is Radiation Oncology in Carbondale, CO.

Where does David Marcus practice?

David Marcus practices in Carbondale, CO, based on the location reported in the CMS Medicare provider datasets for NPI 1306089362.

How much does Medicare pay David Marcus?

David Marcus (NPI 1306089362) received approximately $10K in total Medicare Part B payments, serving 81 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1306089362

David MarcusM.D.

Radiation OncologyCarbondale, COI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$3K

Peer benchmark

Total Medicare services vs. 86 Radiation Oncology providers in CO — bottom quintile (cohort median 1,577).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$307

Payment records

By payment type

Food and Beverage$307

Top paying entities

Food and Beverage$307

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where David Marcus'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). 4 inbound referrers · 8 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
GREENE, BRUCE	44	1,156
Harold Young Diagnostic Radiology · Glenwood Springs, CO	18	131
MURPHY, BRIAN	13	199
NYSTROM, JOHN	13	169

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
VALLEY VIEW HOSPITAL ASSOCIATION	66	1,024
GREENE, BRUCE	43	1,250
ARMAS, ARMANDO	22	488
Matthew Stinson Physician Assistant · Glenwood Springs, CO	20	232
Jason Dicarlo Diagnostic Radiology · Augusta, GA	18	156
ASPEN VALLEY HOSPITAL DISTRICT	14	157
Harold Young Diagnostic Radiology · Glenwood Springs, CO	11	98
NYSTROM, JOHN	11	157

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