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PROVIDER PROFILE · NPI 1255494969

Marc WillisMD

PRACTICESTANFORD HEALTH CARESee all providers at this practice →
Diagnostic RadiologyStanford, CAI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 050283
Hospital
CCN 050441
Hospital
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 · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
2,811
Unique beneficiaries
—
Total services
3,074
Distinct HCPCS
44
Medicare payment
$54K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — above median (cohort median 2,975).
REFERRAL NETWORK

Where Marc Willis'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). 51 inbound referrers · 96 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
HARRIS COUNTY HOSPITAL DISTRICT5821,557
Clinical Pathology Laboratories, Inc.
Clinical Laboratory · Austin, TX
108248
George Hanna
Cardiology · Bay City, TX
93267
Veronica Lenge De Rosen
Diagnostic Radiology · Houston, TX
5286
PMC HOSPITAL, LLC5169
Kapil Dave
Internal Medicine · Sugar Land, TX
46142
City Of Houston
Ambulance Service Provider · Houston, TX
4063
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Houston, TX
3965
Ann Marie Marciel
Diagnostic Radiology · Cleveland, OH
3853
Richard Strax
Diagnostic Radiology · Houston, TX
3860
John Hancock
Diagnostic Radiology · Houston, TX
3768
Cliff Whigham
Diagnostic Radiology · Houston, TX
3343
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
HARRIS COUNTY HOSPITAL DISTRICT372899
MATAGORDA COUNTY HOSPITAL DISTRICT151305
Nasser Lakkis
Interventional Cardiology · Mobile, AL
112345
PMC HOSPITAL, LLC86117
James Gregg
Diagnostic Radiology · Houston, TX
59106
George Hanna
Cardiology · Bay City, TX
55187
MATAGORDA COUNTY EMS I, LLC5583
Christie Lincoln
Diagnostic Radiology · Houston, TX
5375
Andrew Palisch
Diagnostic Radiology · Columbia, MO
5373
Cliff Whigham
Diagnostic Radiology · Houston, TX
5294
Collin Bray
Diagnostic Radiology · Houston, TX
4768
FREYTES, JOSE4366
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.