What is Stanley Chang's specialty?

Stanley Chang (NPI 1639110307) is a Medicare-billing provider whose primary specialty is Ophthalmology in New York, NY.

Where does Stanley Chang practice?

Stanley Chang practices in New York, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1639110307.

How much does Medicare pay Stanley Chang?

Stanley Chang (NPI 1639110307) received approximately $446K in total Medicare Part B payments, serving 511 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1639110307

Stanley ChangM.D.

OphthalmologyNew York, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,142

Unique beneficiaries

—

Total services

9,216

Distinct HCPCS

Medicare payment

$434K

Peer benchmark

Total Medicare services vs. 1,438 Ophthalmology providers in NY — top quintile (cohort median 1,869).

PRESCRIBING · PART D · 2024

Total Rx claims

454

Beneficiaries

—

Total drug cost

$44K

Distinct drugs

Brand share

37.9%

Top prescribed drugs

Latanoprost103 claims

Timolol Maleate88 claims

Prednisolone Acetate62 claims

Dorzolamide Hcl/Timolol Maleat56 claims

Erythromycin Base29 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

85.3

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.05%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$30

Payment records

By payment type

Food and Beverage$30

Top paying entities

Food and Beverage$30

REFERRAL NETWORK

Where Stanley 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). 9 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
THE NEW YORK AND PRESBYTERIAN HOSPITAL	73	189
Laurence Mark Anesthesiology · New York, NY	43	118
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	33	55
Leejee Suh Ophthalmology · New York, NY	23	71
Bioreference Health, Llc Clinical Laboratory · Elmwood Park, NJ	19	33
Sunrise Medical Laboratories, Inc. Clinical Laboratory · Hicksville, NY	17	38
WHITE PLAINS HOSPITAL MEDICAL CENTER	14	28
Northwell Health Laboratories Clinical Laboratory · New Hyde Park, NY	14	36
Ameripath New York Llc Clinical Laboratory · White Plains, NY	12	15

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