What is William Chang's specialty?

William Chang (NPI 1295755940) is a Medicare-billing provider whose primary specialty is Anesthesiology in Manhasset, NY.

Where does William Chang practice?

William Chang practices in Manhasset, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1295755940.

How much does Medicare pay William Chang?

William Chang (NPI 1295755940) received approximately $34K in total Medicare Part B payments, serving 135 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1295755940

William ChangM.D.

AnesthesiologyManhasset, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$5K

Peer benchmark

Total Medicare services vs. 3,680 Anesthesiology providers in NY — below median (cohort median 174).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

90.8

Quality

91.8

Cost

75.2

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.66%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$47

Payment records

By payment type

Food and Beverage$47

Top paying entities

Food and Beverage$47

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 330214

Hospital

REFERRAL NETWORK

Where William 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). 5 inbound referrers · 7 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Eric Cantos Diagnostic Radiology · Great Neck, NY	16	21
Fred Fefer Cardiology · Valley Stream, NY	16	19
Gautam Reddy Gastroenterology · Valley Stream, NY	14	24
David Friedman Cardiology · Valley Stream, NY	14	35
Emilio Del Priore Cardiology · Hempstead, NY	12	17

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
FRANKLIN HOSPITAL	37	56
Robert Sperber Diagnostic Radiology · Valley Stream, NY	22	40
Pradeep Dhital Pathology · Valley Stream, NY	20	23
Vandana Jhaveri Pathology · Valley Stream, NY	18	23
NORTH SHORE UNIVERSITY HOSPITAL	12	13
LONG ISLAND JEWISH MEDICAL CENTER	11	19
Patrick Corcoran Physical Medicine and Rehabilitation · Valley Stream, NY	11	19

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