What is Tony Chang's specialty?

Tony Chang (NPI 1164445896) is a Medicare-billing provider whose primary specialty is General Surgery in Lodi, CA.

Where does Tony Chang practice?

Tony Chang practices in Lodi, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1164445896.

How much does Medicare pay Tony Chang?

Tony Chang (NPI 1164445896) received approximately $13K in total Medicare Part B payments, serving 42 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1164445896

Tony ChangM.D.

PRACTICELODI LIFESTYLE MEDICINE & SURGERY, PROFESSIONAL CORPORATIONSee all providers at this practice →

General SurgeryLodi, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$3K

Peer benchmark

Total Medicare services vs. 1,763 General Surgery providers in CA — bottom quintile (cohort median 269).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$38

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Oxycodone Hcl12 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$45

Payment records

By payment type

Food and Beverage$45

Top paying entities

Food and Beverage$45

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 050093

Hospital

CCN 050122

Hospital

CCN 050336

Hospital

REFERRAL NETWORK

Where Tony Chang'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). 0 inbound referrers · 1 outbound destinations.

Receives referrals from

Inbound — who sends patients here

No inbound pairs above the suppression threshold.

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
DAMERON HOSPITAL ASSOCIATION	20	26

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