What is Victor Chang's specialty?

Victor Chang (NPI 1558537191) is a Medicare-billing provider whose primary specialty is Nephrology in Bethpage, NY.

Where does Victor Chang practice?

Victor Chang practices in Bethpage, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1558537191.

How much does Medicare pay Victor Chang?

Victor Chang (NPI 1558537191) received approximately $454K in total Medicare Part B payments, serving 1,320 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1558537191

Victor ChangM.D.

NephrologyBethpage, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,550

Unique beneficiaries

—

Total services

4,752

Distinct HCPCS

Medicare payment

$448K

Peer benchmark

Total Medicare services vs. 690 Nephrology providers in NY — top quintile (cohort median 875).

PRESCRIBING · PART D · 2024

Total Rx claims

1,155

Beneficiaries

—

Total drug cost

$307K

Distinct drugs

Brand share

25.8%

Top prescribed drugs

Losartan Potassium188 claims

Calcitriol123 claims

Parenteral Amino Acid 20% No.191 claims

Furosemide81 claims

Dapagliflozin Propanediol79 claims

QUALITY · MIPS · 2024

Final MIPS score

20.7

Quality

0.0

Cost

69.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-6.52%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Education$26

Top paying entities

Food and Beverage$2K

Education$26

REFERRAL NETWORK

Where Victor 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). 131 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Nripesh Pradhan Nephrology · Evansville, IN	307	5,939
Sushil Sagar Internal Medicine · Bethpage, NY	269	2,790
Brian Webber Diagnostic Radiology · West Islip, NY	164	1,202
HUNTER EMS INC.	150	1,016
NPI 1306807904	147	979
WSNCHS NORTH, INC.	104	373
Michael Gray Infectious Disease · Bay Shore, NY	96	1,317
Asaph Zimmerman Diagnostic Radiology · West Islip, NY	91	730
PLAINVIEW HOSPITAL	89	368
NPI 1285668665	85	425
Adriane Collins Infectious Disease · West Islip, NY	81	963
Sam Davidoff Pulmonary Disease · Amityville, NY	76	848

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