What is Catherine Hwang's specialty?

Catherine Hwang (NPI 1801952890) is a Medicare-billing provider whose primary specialty is Ophthalmology in Cleveland, OH.

Where does Catherine Hwang practice?

Catherine Hwang practices in Cleveland, OH, based on the location reported in the CMS Medicare provider datasets for NPI 1801952890.

How much does Medicare pay Catherine Hwang?

Catherine Hwang (NPI 1801952890) received approximately $253K in total Medicare Part B payments, serving 825 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1801952890

Catherine HwangMD

PRACTICECLEVELAND CLINICSee all providers at this practice →

OphthalmologyCleveland, OHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,635

Unique beneficiaries

—

Total services

1,885

Distinct HCPCS

Medicare payment

$205K

Peer benchmark

Total Medicare services vs. 597 Ophthalmology providers in OH — above median (cohort median 1,675).

PRESCRIBING · PART D · 2024

Total Rx claims

607

Beneficiaries

—

Total drug cost

$32K

Distinct drugs

Brand share

87.3%

Top prescribed drugs

Neomycin/Polymyxin B/Dexametha264 claims

Erythromycin Base190 claims

Doxycycline Monohydrate53 claims

Cyclosporine45 claims

Ofloxacin24 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$268

Payment records

By payment type

Food and Beverage$268

Top paying entities

Food and Beverage$268

REFERRAL NETWORK

Where Catherine Hwang'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MILLER, ROBERT	60	117
Kay Sung Dermatology · Newport Beach, CA	44	82
Unilab Corporation Clinical Laboratory · West Hills, CA	40	107
Joseph Caprioli Ophthalmology · Los Angeles, CA	31	72
Mohs-Tek, Inc. Clinical Laboratory · Tustin, CA	28	36
REGENTS OF THE UNIV OF CALIFORNIA	19	85
Mary Keyes Anesthesiology · Los Angeles, CA	12	27
PROVIDENCE SAINT JOHN'S HEALTH CENTER	11	26

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