What is Sean Chang's specialty?

Sean Chang (NPI 1801108568) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Oxnard, CA.

Where does Sean Chang practice?

Sean Chang practices in Oxnard, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1801108568.

How much does Medicare pay Sean Chang?

Sean Chang (NPI 1801108568) received approximately $173K in total Medicare Part B payments, serving 1,070 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1801108568

Sean ChangM.D.

Diagnostic RadiologyOxnard, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,411

Unique beneficiaries

—

Total services

19,348

Distinct HCPCS

Medicare payment

$145K

Peer benchmark

Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — top quintile (cohort median 2,975).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Sean 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). 42 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	319	758
Behzad Noorbehesht Diagnostic Radiology · Oxnard, CA	245	452
DIGNITY HEALTH	124	206
COMMUNITY MEMORIAL HEALTH SYSTEM	76	150
Edmund Wong Diagnostic Radiology · Tacoma, WA	69	137
Chirag Dalsania Hematology-Oncology · Oxnard, CA	44	215
Victor Alcocer Internal Medicine · Oxnard, CA	44	77
William Theodorou Diagnostic Radiology · Chicago, IL	44	79
EILERMAN, KEITH	44	182
Brian Bai Family Practice · Oxnard, CA	42	128
DIGNITY HEALTH	41	78
CLINICAS DEL CAMINO REAL INC	40	70

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