What is Gregory Chang's specialty?

Gregory Chang (NPI 1881892883) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in New York, NY.

Where does Gregory Chang practice?

Gregory Chang practices in New York, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1881892883.

How much does Medicare pay Gregory Chang?

Gregory Chang (NPI 1881892883) received approximately $60K in total Medicare Part B payments, serving 1,284 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1881892883

Gregory ChangM.D.

Diagnostic RadiologyNew York, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,600

Unique beneficiaries

—

Total services

2,456

Distinct HCPCS

Medicare payment

$45K

Peer benchmark

Total Medicare services vs. 2,489 Diagnostic Radiology providers in NY — above median (cohort median 3,110).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Gregory 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). 28 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NYU LANGONE HOSPITALS	52	100
Joseph Zuckerman Orthopedic Surgery · New York, NY	38	53
Derek Mason Diagnostic Radiology · New York, NY	30	62
Renata Vieira Diagnostic Radiology · New York, NY	29	60
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	29	75
Seniorcare Emergency Medical Services Inc. Ambulance Service Provider · Bronx, NY	28	44
Bioreference Health, Llc Clinical Laboratory · Elmwood Park, NJ	27	79
Sidnie Limson Physician Assistant · Bronx, NY	26	32
Michael Mechlin Diagnostic Radiology · New York, NY	25	68
Christopher Burke Diagnostic Radiology · New York, NY	23	53
ALBERT, ROBIN	23	56
Soterios Gyftopoulos Diagnostic Radiology · New York, NY	22	40

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