PROVIDER PROFILE · NPI 1598721508

John Massimilian

Emergency MedicineCrown Point, INI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

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.

REFERRAL NETWORK

Where John Massimilian'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). 23 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST. MARY'S HOSPITAL STREATOR HOSPITAL SISTERS OF THE 3RD ORDER ST FRAN	370	1,165
Leon Wise Diagnostic Radiology · Streator, IL	124	253
VALLEY WEST COMMUNITY HOSPITAL	79	240
NPI 1063465912	58	129
HSHS MEDICAL GROUP INC	53	104
NPI 1225090434	47	179
SAINT FRANCIS MEDICAL CENTER	37	81
Mark Wargo Family Practice · Streator, IL	37	151
Arlene Richardson Diagnostic Radiology · Harvey, IL	34	47
Anna Miller Diagnostic Radiology · Ypsilanti, MI	34	55
Reshma Relwani Internal Medicine · Lemont, IL	32	96
Upendra Sinha Orthopaedic Surgery · Streator, IL	26	154

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