What is Robert Siegel's specialty?

Robert Siegel (NPI 1518901545) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Alton, IL.

Where does Robert Siegel practice?

Robert Siegel practices in Alton, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1518901545.

How much does Medicare pay Robert Siegel?

Robert Siegel (NPI 1518901545) received approximately $45K in total Medicare Part B payments, serving 408 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1518901545

Robert SiegelMD

Hematology-OncologyAlton, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

482

Unique beneficiaries

—

Total services

583

Distinct HCPCS

Medicare payment

$44K

Peer benchmark

Total Medicare services vs. 444 Hematology-Oncology providers in IL — below median (cohort median 1,266).

PRESCRIBING · PART D · 2024

Total Rx claims

301

Beneficiaries

—

Total drug cost

$396K

Distinct drugs

Brand share

26.6%

Top prescribed drugs

Prochlorperazine Maleate36 claims

Prednisone34 claims

Ondansetron Hcl30 claims

Apixaban29 claims

Anastrozole23 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$230

Payment records

By payment type

Food and Beverage$130

Education$100

Top paying entities

Food and Beverage$130

Education$100

REFERRAL NETWORK

Where Robert Siegel'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). 40 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST. FRANCIS HOSPITAL INC	188	3,345
John Latham Pathology · Greenville, SC	67	297
ST FRANCIS HOSPITAL, INC.	65	280
James Haswell Diagnostic Radiology · Columbia, SC	64	259
Barry Lazenby Diagnostic Radiology · Spartanburg, SC	55	220
Joan Burkhardt Diagnostic Radiology · Spartanburg, SC	47	211
Stephen Dyar Hematology-Oncology · Greenville, SC	46	415
David Pelino Diagnostic Radiology · Spartanburg, SC	43	195
Matthew Nessmith Cardiology · Greenville, SC	38	205
Paul Kountz Diagnostic Radiology · Spartanburg, SC	36	147
Michael Ludkowski Diagnostic Radiology · Greenville, SC	36	240
ST FRANCIS HOSPITAL INC	34	118

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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