What is Marc Alonzo's specialty?

Marc Alonzo (NPI 1033142351) is a Medicare-billing provider whose primary specialty is Interventional Radiology in Evanston, IL.

Where does Marc Alonzo practice?

Marc Alonzo practices in Evanston, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1033142351.

How much does Medicare pay Marc Alonzo?

Marc Alonzo (NPI 1033142351) received approximately $162K in total Medicare Part B payments, serving 737 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1033142351

Marc AlonzoMD

Interventional RadiologyEvanston, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,291

Unique beneficiaries

—

Total services

1,430

Distinct HCPCS

Medicare payment

$105K

Peer benchmark

Total Medicare services vs. 99 Interventional Radiology providers in IL — above median (cohort median 1,345).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

84.9

Quality

75.9

Cost

74.6

Improvement activities

40.0

Promoting interop.

99.0

Payment adjustment

0.42%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$208

Payment records

By payment type

Food and Beverage$208

Top paying entities

Food and Beverage$208

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 140010

Hospital

CCN 140114

Hospital

REFERRAL NETWORK

Where Marc Alonzo'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). 46 inbound referrers · 118 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ENDEAVOR HEALTH CLINICAL OPERATIONS	320	1,287
Sidney Regalado Interventional Radiology · Evanston, IL	44	99
Christopher Kay Diagnostic Radiology · Evanston, IL	43	78
Gary Turkel Diagnostic Radiology · Maywood, IL	37	69
DELEO, CAESAR	36	68
Hector Ferral Diagnostic Radiology · Evanston, IL	32	73
David Ecanow Diagnostic Radiology · Highland Park, IL	32	45
Carolyn Donaldson Diagnostic Radiology · Evanston, IL	32	46
Robert Silvers Diagnostic Radiology · Highland Park, IL	28	56
Omar Morcos Vascular Surgery · Chicago, IL	27	61
Jeffrey Marogil Cardiology · Glenview, IL	26	56
PERLMAN, REID	26	48

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
ENDEAVOR HEALTH CLINICAL OPERATIONS	368	1,589
Richard Gore Diagnostic Radiology · Evanston, IL	75	185
ENDEAVOR HEALTH CLINICAL OPERATIONS	67	199
Superior Air-Ground Ambulance Service, Inc Ambulance Service Provider · Elmhurst, IL	62	151
Christopher Kay Diagnostic Radiology · Evanston, IL	49	88
Thomas Farrell Interventional Radiology · Peoria, IL	48	123
Margaret Gore Diagnostic Radiology · Evanston, IL	46	74
David Hahn Diagnostic Radiology · Hinsdale, IL	43	80
Hector Ferral Diagnostic Radiology · Evanston, IL	38	74
Carolyn Donaldson Diagnostic Radiology · Evanston, IL	38	64
Sidney Regalado Interventional Radiology · Evanston, IL	38	78
Mark Dieterich Pathology · Evanston, IL	35	78

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