PROVIDER PROFILE · NPI 1730132549

Mark ChenM.D.

PRACTICEHOAG MEMORIAL HOSPITAL PRESBYTERIANSee all providers at this practice →

Diagnostic RadiologyNewport Beach, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,834

Unique beneficiaries

—

Total services

6,172

Distinct HCPCS

Medicare payment

$215K

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

95.5

Quality

100.0

Cost

84.8

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.86%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$19

Payment records

By payment type

Food and Beverage$19

REFERRAL NETWORK

Where Mark Chen'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). 188 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	376	814
William Vandalsem Diagnostic Radiology · Newport Beach, CA	265	610
Winston Whitney Diagnostic Radiology · Newport Beach, CA	247	419
Scott Williams Diagnostic Radiology · Stanford, CA	210	422
Peter Giuliano Diagnostic Radiology · Newport Beach, CA	205	360
Frederick Birnberg Diagnostic Radiology · Newport Beach, CA	194	434
Shaya Ghazinoor Diagnostic Radiology · Newport Beach, CA	191	385
John Lieu Diagnostic Radiology · Palo Alto, CA	184	356
Karence Chan Diagnostic Radiology · Newport Beach, CA	162	275
Michael Roossin Diagnostic Radiology · Newport Beach, AR	146	242
Christopher Duma Neurosurgery · Newport Beach, CA	134	454
Binh Nguyen Interventional Radiology · Newport Beach, CA	110	217

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