PROVIDER PROFILE · NPI 1891921458

Keith HsuMD

Internal MedicineMission Viejo, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

526

Unique beneficiaries

—

Total services

995

Distinct HCPCS

Medicare payment

$54K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — above median (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

179

Beneficiaries

—

Total drug cost

$7K

Distinct drugs

Brand share

38.5%

Top prescribed drugs

Pantoprazole Sodium28 claims

Atorvastatin Calcium18 claims

Clopidogrel Bisulfate18 claims

Methylprednisolone16 claims

Amoxicillin/Potassium Clav16 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$26

Payment records

By payment type

Food and Beverage$26

REFERRAL NETWORK

Where Keith Hsu'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). 27 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Steven Sorenson Diagnostic Radiology · Redlands, CA	106	432
Jeffrey Dym Diagnostic Radiology · Laguna Niguel, CA	96	363
HERREN ENTERPRISES INC	75	235
Navid Jahed Diagnostic Radiology · Mission Viejo, CA	66	229
Jackson Penry Diagnostic Radiology · Mission Viejo, CA	65	255
Mark Garfinkle Internal Medicine · Redding, CA	59	161
Absalom Hepner Cardiology · Mission Viejo, CA	39	136
Sanjay Bhojraj Interventional Cardiology · Murrieta, CA	28	88
Tze Ip Cardiology · Mission Viejo, CA	28	103
Unilab Corporation Clinical Laboratory · West Hills, CA	27	102
Daniel Ponticiello Critical Care (Intensivists) · Mission Viejo, CA	22	45
Raj Patel Emergency Medicine · La Jolla, CA	20	59

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