What is John Hwang's specialty?

John Hwang (NPI 1629235510) is a Medicare-billing provider whose primary specialty is Ophthalmology in Laguna Hills, CA.

Where does John Hwang practice?

John Hwang practices in Laguna Hills, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1629235510.

How much does Medicare pay John Hwang?

John Hwang (NPI 1629235510) received approximately $2.1M in total Medicare Part B payments, serving 886 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1629235510

John HwangMD

PRACTICEJOHN C HWANG MD MBA INCSee all providers at this practice →

OphthalmologyLaguna Hills, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,711

Unique beneficiaries

—

Total services

29,598

Distinct HCPCS

Medicare payment

$2.0M

Peer benchmark

Total Medicare services vs. 2,144 Ophthalmology providers in CA — top quintile (cohort median 1,859).

PRESCRIBING · PART D · 2024

Total Rx claims

485

Beneficiaries

—

Total drug cost

$12K

Distinct drugs

Brand share

11.5%

Top prescribed drugs

Prednisolone Acetate230 claims

Ketorolac Tromethamine151 claims

Dorzolamide Hcl/Timolol Maleat29 claims

Tobramycin/Dexamethasone27 claims

Atropine Sulfate18 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

100.0

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$295

Payment records

By payment type

Consulting Fee$150

Food and Beverage$145

Top paying entities

Consulting Fee$150

Food and Beverage$145

REFERRAL NETWORK

Where John 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). 4 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	52	124
SADDLEBACK MEMORIAL MEDICAL CENTER	50	151
Memorialcare Surgical Center At Saddleback Llc Ambulatory Surgical Center · Laguna Hills, CA	18	70
Charles Eifrig Ophthalmology · Laguna Hills, CA	13	23

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