What is Ernest Lau's specialty?

Ernest Lau (NPI 1255419842) is a Medicare-billing provider whose primary specialty is Internal Medicine in Redwood City, CA.

Where does Ernest Lau practice?

Ernest Lau practices in Redwood City, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1255419842.

How much does Medicare pay Ernest Lau?

Ernest Lau (NPI 1255419842) received approximately $2K in total Medicare Part B payments, serving 11 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1255419842

Ernest LauMD

PRACTICEKAISER PERMANENTESee all providers at this practice →

Internal MedicineRedwood City, CAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$339

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Amoxicillin/Potassium Clav24 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.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050541

Hospital

REFERRAL NETWORK

Where Ernest Lau'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). 1 inbound referrers · 1 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
KAISER FOUNDATION HOSPITALS	28	35

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
KAISER FOUNDATION HOSPITALS	139	183

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