What is Sai-Hong I Ou's specialty?

Sai-Hong I Ou (NPI 1639259872) is a Medicare-billing provider whose primary specialty is Internal Medicine in Orange, CA.

Where does Sai-Hong I Ou practice?

Sai-Hong I Ou practices in Orange, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1639259872.

How much does Medicare pay Sai-Hong I Ou?

Sai-Hong I Ou (NPI 1639259872) received approximately $69K in total Medicare Part B payments, serving 137 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1639259872

Sai-Hong I OuMD

Internal MedicineOrange, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

304

Unique beneficiaries

—

Total services

888

Distinct HCPCS

Medicare payment

$63K

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

479

Beneficiaries

—

Total drug cost

$3.8M

Distinct drugs

Brand share

58.9%

Top prescribed drugs

Osimertinib Mesylate124 claims

Dexamethasone46 claims

Ondansetron Hcl29 claims

Selpercatinib27 claims

Afatinib Dimaleate26 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

83.7

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.05%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$1K

Payment records

By payment type

Consulting Fee$700

Food and Beverage$470

Top paying entities

Consulting Fee$700

Food and Beverage$470

REFERRAL NETWORK

Where Sai-Hong I Ou'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). 10 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Mayil Krishnam Diagnostic Radiology · Stanford, CA	53	197
Marisa Tseng Diagnostic Radiology · Duarte, CA	42	192
Unilab Corporation Clinical Laboratory · West Hills, CA	30	164
David Floriolli Diagnostic Radiology · Orange, CA	24	107
FOUNDATION MEDICINE, INC.	23	90
NPI 1174603229	23	102
Byron J Allen Internal Medicine · Orange, CA	19	111
June Marie Herman Nuclear Medicine · Orange, CA	14	59
Teferi Mitiku Internal Medicine · Orange, CA	14	79
NPI 1306807318	13	46

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