What is Benjamin Chang's specialty?

Benjamin Chang (NPI 1669467023) is a Medicare-billing provider whose primary specialty is Pulmonary Disease in West Nyack, NY.

Where does Benjamin Chang practice?

Benjamin Chang practices in West Nyack, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1669467023.

How much does Medicare pay Benjamin Chang?

Benjamin Chang (NPI 1669467023) received approximately $180K in total Medicare Part B payments, serving 732 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1669467023

Benjamin ChangMD

Pulmonary DiseaseWest Nyack, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,317

Unique beneficiaries

—

Total services

1,750

Distinct HCPCS

Medicare payment

$172K

Peer benchmark

Total Medicare services vs. 811 Pulmonary Disease providers in NY — top quintile (cohort median 790).

PRESCRIBING · PART D · 2024

Total Rx claims

981

Beneficiaries

—

Total drug cost

$383K

Distinct drugs

Brand share

64.3%

Top prescribed drugs

Fluticasone/Vilanterol155 claims

Albuterol Sulfate131 claims

Fluticasone/Umeclidin/Vilanter103 claims

Prednisone86 claims

Montelukast Sodium70 claims

QUALITY · MIPS · 2024

Final MIPS score

96.7

Quality

87.8

Cost

0.0

Improvement activities

40.0

Promoting interop.

92.0

Payment adjustment

0.91%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$396

Payment records

By payment type

Food and Beverage$396

Top paying entities

Food and Beverage$396

REFERRAL NETWORK

Where Benjamin 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). 111 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
GOOD SAMARITAN HOSPITAL OF SUFFERN	283	712
MONTEFIORE NYACK HOSPITAL	145	420
Jonathan Berg Pulmonary Disease · West Nyack, NY	127	412
Stephen Menitove Pulmonary Disease · West Nyack, NY	113	440
Scott Luchs Diagnostic Radiology · Suffern, NY	109	300
NPI 1326017401	108	319
Steven Reichard Diagnostic Radiology · Newburgh, NY	88	219
Douglas Hertford Diagnostic Radiology · New York, NY	83	212
Sibin Thachet Diagnostic Radiology · Boston, MA	80	178
Evan Kaminer Diagnostic Radiology · New City, NY	68	157
NPI 1225057599	68	155
Andrew Najovits Cardiology · Suffern, NY	64	146

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