What is Chang Li's specialty?

Chang Li (NPI 1790707271) is a Medicare-billing provider whose primary specialty is Optometry in New York, NY.

Where does Chang Li practice?

Chang Li practices in New York, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1790707271.

How much does Medicare pay Chang Li?

Chang Li (NPI 1790707271) received approximately $2K in total Medicare Part B payments, serving 12 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1790707271

Chang LiOD

OptometryNew York, NYI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$58K

Distinct drugs

Brand share

83.8%

Top prescribed drugs

Cyclosporine83 claims

Bepotastine Besilate16 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Chang Li'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). 2 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Sangwoo Lee Ophthalmology · Fresh Meadows, NY	38	157
Bioreference Health, Llc Clinical Laboratory · Elmwood Park, NJ	15	45

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