PROVIDER PROFILE · NPI 1881838662

Onechang LeeM.D.

PRACTICETIEN T NGUYEN M.D. INC.See all providers at this practice →

NeurosurgeryFountain Valley, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

228

Unique beneficiaries

—

Total services

348

Distinct HCPCS

Medicare payment

$43K

Peer benchmark

Total Medicare services vs. 497 Neurosurgery providers in CA — above median (cohort median 341).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

89.7

Quality

71.7

Cost

72.5

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.62%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$52

Payment records

By payment type

Food and Beverage$52

REFERRAL NETWORK

Where Onechang Lee'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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
UVA PRINCE WILLIAM MEDICAL CENTER	41	205
Deeni Bassam Pain Management · Manassas, VA	36	115
ERDAG, NAMIK	18	58
Duyanh Vu Diagnostic Radiology · Leesburg, VA	13	34
UVA PRINCE WILLIAM MEDICAL CENTER	11	47

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