What is Keith Chang's specialty?

Keith Chang (NPI 1588703995) is a Medicare-billing provider whose primary specialty is Ophthalmology in New York, NY.

Where does Keith Chang practice?

Keith Chang practices in New York, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1588703995.

How much does Medicare pay Keith Chang?

Keith Chang (NPI 1588703995) received approximately $112K in total Medicare Part B payments, serving 273 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1588703995

Keith ChangMD

OphthalmologyNew York, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,121

Unique beneficiaries

—

Total services

1,509

Distinct HCPCS

Medicare payment

$87K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

14,175

Beneficiaries

—

Total drug cost

$4.7M

Distinct drugs

Brand share

48.6%

Top prescribed drugs

Cyclosporine2,605 claims

Azelastine Hcl1,857 claims

Bepotastine Besilate1,596 claims

Latanoprost1,196 claims

Prednisolone Acetate1,169 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Top paying entities

Food and Beverage$1K

REFERRAL NETWORK

Where Keith 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). 10 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Bioreference Health, Llc Clinical Laboratory · Elmwood Park, NJ	66	216
Empire City Laboratories, Inc Clinical Laboratory · Brooklyn, NY	34	97
Ching Man Chung Optometry · Staten Island, NY	20	41
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	18	29
Jian Liang Podiatry · New York, NY	16	26
Zinovy Beider Anesthesiology · Brooklyn, NY	15	63
Calvin Lo Diagnostic Radiology · New York, NY	14	23
Min Wong Internal Medicine · Brooklyn, NY	14	36
CHARLES B. WANG COMMUNITY HEALTH CENTER, INC.	13	46
ENZO CLINICAL LABS, INC.	12	31

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