What is Mary Cheng's specialty?

Mary Cheng (NPI 1477582849) is a Medicare-billing provider whose primary specialty is Optometry in Rosemead, CA.

Where does Mary Cheng practice?

Mary Cheng practices in Rosemead, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1477582849.

How much does Medicare pay Mary Cheng?

Mary Cheng (NPI 1477582849) received approximately $68K in total Medicare Part B payments, serving 286 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1477582849

Mary ChengO.D.

OptometryRosemead, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,087

Unique beneficiaries

—

Total services

1,194

Distinct HCPCS

Medicare payment

$68K

Peer benchmark

Total Medicare services vs. 2,493 Optometry providers in CA — top quintile (cohort median 147).

PRESCRIBING · PART D · 2024

Total Rx claims

2,268

Beneficiaries

—

Total drug cost

$791K

Distinct drugs

Brand share

90.4%

Top prescribed drugs

Brinzolamide/Brimonidine Tart641 claims

Perfluorohexyloctane/Pf462 claims

Cyclosporine197 claims

Netarsudil Mesylat/Latanoprost142 claims

Erythromycin Base130 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$938

Payment records

By payment type

Food and Beverage$938

Top paying entities

Food and Beverage$938

REFERRAL NETWORK

Where Mary Cheng'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). 0 inbound referrers · 2 outbound destinations.

Receives referrals from

Inbound — who sends patients here

No inbound pairs above the suppression threshold.

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Abacus Business Corporation Group Inc. Clinical Laboratory · Los Angeles, CA	15	38
Harold Hsu Internal Medicine · Rosemead, CA	11	13

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