What is John Chang's specialty?

John Chang (NPI 1669669164) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Gilbert, AZ.

Where does John Chang practice?

John Chang practices in Gilbert, AZ, based on the location reported in the CMS Medicare provider datasets for NPI 1669669164.

How much does Medicare pay John Chang?

John Chang (NPI 1669669164) received approximately $158K in total Medicare Part B payments, serving 2,179 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1669669164

John ChangM.D.

Diagnostic RadiologyGilbert, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,049

Unique beneficiaries

—

Total services

3,605

Distinct HCPCS

Medicare payment

$134K

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

Final MIPS score

83.7

Quality

65.0

Cost

69.9

Improvement activities

40.0

Promoting interop.

98.0

Payment adjustment

0.37%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$660

Payment records

By payment type

Travel and Lodging$660

Top paying entities

Travel and Lodging$660

REFERRAL NETWORK

Where John 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). 45 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NPI 1316992407	57	77
Andrew Price Diagnostic Radiology · Gilbert, AZ	56	105
Donald Schomer Diagnostic Radiology · Houston, TX	55	66
Kevin Mccabe Pathology · Tempe, AZ	49	65
Amir Etemad Internal Medicine · Gilbert, AZ	44	85
Javier Munoz Hematology-Oncology · Phoenix, AZ	41	140
Vilert Loving Diagnostic Radiology · New Orleans, LA	39	45
LANAUZE, PHILIPPE	37	97
Joseph Mashni Urology · Gilbert, AZ	36	136
Jignesh Patel Diagnostic Radiology · Phoenix, AZ	34	44
Vidyasagargoud Marupakula Hospitalist · Matthews, NC	33	53
Jade Homsi Medical Oncology · Syracuse, NY	33	135

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