What is Chiayu Chen's specialty?

Chiayu Chen (NPI 1972583821) is a Medicare-billing provider whose primary specialty is Internal Medicine in Riverside, CA.

Where does Chiayu Chen practice?

Chiayu Chen practices in Riverside, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1972583821.

How much does Medicare pay Chiayu Chen?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Chiayu Chen (NPI 1972583821) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1972583821

Chiayu Chen

Internal MedicineRiverside, CAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

456

Beneficiaries

—

Total drug cost

$96K

Distinct drugs

Brand share

17.1%

Top prescribed drugs

Ezetimibe91 claims

Atorvastatin Calcium55 claims

Rosuvastatin Calcium55 claims

Metoprolol Succinate40 claims

Amlodipine Besylate36 claims

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 Chiayu 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). 36 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	417	1,558
RIVERSIDE HEALTHCARE SYSTEM, L.P.	214	597
Sean Hayes Diagnostic Radiology · West Hollywood, CA	84	148
NPI 1154308823	53	147
Ardavan Afshar Diagnostic Radiology · Riverside, CA	51	124
Mina Mikhail Internal Medicine · Riverside, CA	47	139
Trinh Tang Internal Medicine · Riverside, CA	46	248
Andro Sharobiem Internal Medicine · Riverside, CA	35	203
PARKVIEW COMMUNITY HOSPITAL MEDICAL CENTER	31	80
Robin Abdelmalik Cardiology · Temecula, CA	30	66
Galen Huang Gastroenterology · Riverside, CA	26	75
Hubert Watkins Dermatology · Riverside, CA	22	41

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