What is John Chia's specialty?

John Chia (NPI 1801876412) is a Medicare-billing provider whose primary specialty is Infectious Disease in Torrance, CA.

Where does John Chia practice?

John Chia practices in Torrance, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1801876412.

How much does Medicare pay John Chia?

John Chia (NPI 1801876412) received approximately $58K in total Medicare Part B payments, serving 207 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1801876412

John ChiaMD

PRACTICEID MEDSee all providers at this practice →

Infectious DiseaseTorrance, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

324

Unique beneficiaries

—

Total services

553

Distinct HCPCS

Medicare payment

$55K

Peer benchmark

Total Medicare services vs. 583 Infectious Disease providers in CA — above median (cohort median 564).

PRESCRIBING · PART D · 2024

Total Rx claims

1,375

Beneficiaries

—

Total drug cost

$181K

Distinct drugs

Brand share

21.8%

Top prescribed drugs

Fluvoxamine Maleate113 claims

Acyclovir109 claims

Nirmatrelvir/Ritonavir99 claims

Aripiprazole55 claims

Lamivudine54 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$329

Payment records

By payment type

Food and Beverage$329

Top paying entities

Food and Beverage$329

REFERRAL NETWORK

Where John Chia'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). 31 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
TORRANCE MEMORIAL MEDICAL CENTER	99	405
Robert Kolanz Diagnostic Radiology · Torrance, CA	60	251
HUETTNER, GLENN	48	165
Richard Sullivan Diagnostic Radiology · Torrance, CA	43	147
Westmed Ambulance Inc Ambulance Service Provider · Compton, CA	41	87
Michael Stein Diagnostic Radiology · Torrance, CA	34	89
Unilab Corporation Clinical Laboratory · West Hills, CA	31	78
Janak Raval Diagnostic Radiology · Torrance, CA	26	72
Gabriel Ramirez Diagnostic Radiology · Long Beach, CA	25	74
Lucas Nishioka Diagnostic Radiology · Torrance, CA	24	67
Lalitha Ramanna Diagnostic Radiology · Torrance, CA	21	64
Rachel Knopoff Diagnostic Radiology · Torrance, CA	18	78

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