PROVIDER PROFILE · NPI 1720065303

Won YuM.D.

PRACTICEWON K YU MD MPH INCSee all providers at this practice →

GastroenterologyTustin, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

850

Unique beneficiaries

—

Total services

1,158

Distinct HCPCS

Medicare payment

$87K

Peer benchmark

Total Medicare services vs. 1,398 Gastroenterology providers in CA — above median (cohort median 750).

PRESCRIBING · PART D · 2024

Total Rx claims

2,504

Beneficiaries

—

Total drug cost

$473K

Distinct drugs

Brand share

36.1%

Top prescribed drugs

Pantoprazole Sodium762 claims

Sodium, Potassium,mag Sulfates434 claims

Omeprazole112 claims

Dicyclomine Hcl98 claims

Dexlansoprazole84 claims

QUALITY · MIPS · 2024

Final MIPS score

89.6

Quality

59.7

Cost

77.6

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.62%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

REFERRAL NETWORK

Where Won Yu'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). 28 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	79	325
Peter Piampiano Diagnostic Radiology · Knoxville, TN	36	246
Paul Lee Ophthalmology · Garden Grove, CA	35	65
Reza Shahbaz Diagnostic Radiology · Orange, CA	34	344
Hong Kim Internal Medicine · Garden Grove, CA	34	274
Eddie Pyune Family Practice · Garden Grove, CA	31	141
Dan Vu Diagnostic Radiology · Orange, CA	27	101
Kirk Ohanian Diagnostic Radiology · Fort Worth, TX	27	137
Hieu Truong Diagnostic Radiology · Orange, CA	24	84
Mark Masotto Diagnostic Radiology · Orange, CA	21	74
Naser Rahbar Diagnostic Radiology · Anaheim, CA	18	82
MANCIANTI, MARIA-LAURA	18	61

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