What is Stephen Chang's specialty?

Stephen Chang (NPI 1568451284) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Mesa, AZ.

Where does Stephen Chang practice?

Stephen Chang practices in Mesa, AZ, based on the location reported in the CMS Medicare provider datasets for NPI 1568451284.

How much does Medicare pay Stephen Chang?

Stephen Chang (NPI 1568451284) received approximately $100K in total Medicare Part B payments, serving 2,395 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1568451284

Stephen ChangM.D.

Diagnostic RadiologyMesa, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,082

Unique beneficiaries

—

Total services

3,180

Distinct HCPCS

Medicare payment

$91K

Peer benchmark

Total Medicare services vs. 621 Diagnostic Radiology providers in AZ — below median (cohort median 4,389).

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 Stephen 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). 219 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BANNER BAYWOOD MEDICAL CENTER	1,061	1,657
NPI 1316992407	507	811
MOUNTAIN VISTA MEDICAL CENTER LP	210	322
Robert Hanna Interventional Radiology · Mesa, AZ	165	288
BANNER HEART HOSPITAL	149	190
R M Arizona Holdings Inc Ambulance Service Provider · Mesa, AZ	143	237
Andrew Pohl Diagnostic Radiology · Mesa, AZ	120	174
James Lyons Diagnostic Radiology · Mesa, AZ	119	183
Fred Dawson Diagnostic Radiology · Provo, UT	111	184
Mark Madsen Diagnostic Radiology · Mesa, AZ	105	149
Mark Hoffman Diagnostic Radiology · Mesa, AZ	103	173
Farukh Mian Diagnostic Radiology · Maywood, IL	102	164

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