PROVIDER PROFILE · NPI 1770508111

Harold HsuM.D.

PRACTICEHAROLD HSU MD. INCORPORATEDSee all providers at this practice →

Internal MedicineRosemead, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

714

Unique beneficiaries

—

Total services

2,101

Distinct HCPCS

Medicare payment

$125K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

49,895

Beneficiaries

—

Total drug cost

$4.5M

Distinct drugs

265

Brand share

21.0%

Top prescribed drugs

Atorvastatin Calcium3,261 claims

Amlodipine Besylate2,115 claims

Telmisartan1,387 claims

Omeprazole1,265 claims

Olmesartan Medoxomil1,171 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

91.2

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$106

Payment records

By payment type

Food and Beverage$106

REFERRAL NETWORK

Where Harold 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). 13 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
AHMC SAN GABRIEL VALLEY MEDICAL	26	106
Stephen Chen Critical Care (Intensivists) · Monterey Park, CA	23	169
Daniel Garza Diagnostic Radiology · Alhambra, CA	20	98
Chia Chi Lai Gastroenterology · Monterey Park, CA	20	339
Chin Shun Shih Internal Medicine · Monterey Park, CA	17	68
Pingching Kwan Emergency Medicine · Toledo, OH	14	43
Wilson Wong Diagnostic Radiology · Arcadia, CA	14	49
Jose Tandoc Diagnostic Radiology · Arcadia, CA	13	30
KWAK, ROY	13	50
SAN GABRIEL CONVALESCENT CENTER LLC	12	95
Aldric Shim Diagnostic Radiology · Monterey Park, CA	12	52
Mary Cheng Optometry · Rosemead, CA	11	13

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