What is Wayne Leong's specialty?

Wayne Leong (NPI 1023196102) is a Medicare-billing provider whose primary specialty is Internal Medicine in Oakland, CA.

Where does Wayne Leong practice?

Wayne Leong practices in Oakland, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1023196102.

How much does Medicare pay Wayne Leong?

Wayne Leong (NPI 1023196102) received approximately $7K in total Medicare Part B payments, serving 37 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1023196102

Wayne LeongM.D.

PRACTICETHE PERMANENTE MEDICAL GROUPSee all providers at this practice →

Internal MedicineOakland, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$6K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$107

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Furosemide14 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$159

Payment records

By payment type

Food and Beverage$159

Top paying entities

Food and Beverage$159

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050075

Hospital

REFERRAL NETWORK

Where Wayne Leong'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	22	38

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
KAISER FOUNDATION HOSPITALS	53	79

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