What is Norman Liu's specialty?

Norman Liu (NPI 1861492860) is a Medicare-billing provider whose primary specialty is Ophthalmology in Garden Grove, CA.

Where does Norman Liu practice?

Norman Liu practices in Garden Grove, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1861492860.

How much does Medicare pay Norman Liu?

Norman Liu (NPI 1861492860) received approximately $173K in total Medicare Part B payments, serving 651 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1861492860

Norman LiuM.D.

PRACTICEORANGE COUNTY OPHTHALMOLOGY MEDICAL GROUPSee all providers at this practice →

OphthalmologyGarden Grove, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,391

Unique beneficiaries

—

Total services

1,883

Distinct HCPCS

Medicare payment

$159K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

2,850

Beneficiaries

—

Total drug cost

$408K

Distinct drugs

Brand share

28.1%

Top prescribed drugs

Latanoprost1,016 claims

Prednisolone Acetate229 claims

Lifitegrast193 claims

Ketorolac Tromethamine165 claims

Ciprofloxacin Hcl156 claims

QUALITY · MIPS · 2024

Final MIPS score

99.3

Quality

98.9

Cost

75.9

Improvement activities

40.0

Promoting interop.

93.0

Payment adjustment

1.02%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$385

Payment records

By payment type

Food and Beverage$385

Top paying entities

Food and Beverage$385

REFERRAL NETWORK

Where Norman Liu'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). 3 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	104	221
Orange County Ophthalmology Medical Group Ambulatory Surgical Center · Garden Grove, CA	63	197
Junghwan Choi Urology · Garden Grove, CA	12	16

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