What is Brian Chang's specialty?

Brian Chang (NPI 1598722944) is a Medicare-billing provider whose primary specialty is Pathology in Geneva, IL.

Where does Brian Chang practice?

Brian Chang practices in Geneva, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1598722944.

How much does Medicare pay Brian Chang?

Brian Chang (NPI 1598722944) received approximately $20K in total Medicare Part B payments, serving 283 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1598722944

Brian ChangM.D.

PathologyGeneva, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

366

Unique beneficiaries

—

Total services

634

Distinct HCPCS

Medicare payment

$18K

Peer benchmark

Total Medicare services vs. 512 Pathology providers in IL — bottom quintile (cohort median 1,607).

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

No data available for this provider in 2025.

REFERRAL NETWORK

Where Brian Chang'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). 35 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
DELNOR COMMUNITY HOSPITAL	348	683
CENTRAL DUPAGE HOSPITAL ASSOCIATION	85	128
Kiran Talanki Diagnostic Radiology · Geneva, IL	54	87
John Kefer Internal Medicine · Geneva, IL	48	90
Kurt Williams Internal Medicine · Geneva, IL	39	68
HEWELL, CHARLES	37	39
James Hunter Anesthesiology · Geneva, IL	30	31
Michael Withall Certified Registered Nurse Anesthetist (CRNA) · Joliet, IL	30	38
William Mackin Interventional Cardiology · Geneva, IL	29	36
Scott Mckay Physician Assistant · Geneva, IL	29	47
David Morawski Orthopedic Surgery · Geneva, IL	29	120
POLEK, WAYNE	28	30

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