What is William Chua's specialty?

William Chua (NPI 1639199656) is a Medicare-billing provider whose primary specialty is Internal Medicine in Montebello, CA.

Where does William Chua practice?

William Chua practices in Montebello, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1639199656.

How much does Medicare pay William Chua?

William Chua (NPI 1639199656) received approximately $1.4M in total Medicare Part B payments, serving 1,647 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1639199656

William ChuaM.D.

PRACTICEVERTEX HEALTHCARE INCSee all providers at this practice →

Internal MedicineMontebello, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

8,200

Unique beneficiaries

—

Total services

17,076

Distinct HCPCS

Medicare payment

$1.4M

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

1,734

Beneficiaries

—

Total drug cost

$100K

Distinct drugs

Brand share

12.0%

Top prescribed drugs

Atorvastatin Calcium128 claims

Amlodipine Besylate104 claims

Metformin Hcl70 claims

Levothyroxine Sodium69 claims

Gabapentin67 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

10.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$694

Payment records

By payment type

Food and Beverage$694

Top paying entities

Food and Beverage$694

REFERRAL NETWORK

Where William Chua'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	29	98
ADVANCED CLINICAL LABORATORY SOLUTIONS,INC.	26	317
Bosheng Qiu Internal Medicine · Alhambra, CA	18	51
YANG, BAO	18	66
Sun Clinical Laboratories Clinical Laboratory · El Monte, CA	15	42
Chin Shun Shih Internal Medicine · Monterey Park, CA	14	27
BEVERLY COMMUNITY HOSPITAL ASSOCIATION	12	46
Daniel Garza Diagnostic Radiology · Alhambra, CA	11	26

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