PROVIDER PROFILE · NPI 1811135627

Y Vien NguyenD.O.

PRACTICEPAVLO ISAK PSCSee all providers at this practice →

Diagnostic RadiologyMission Viejo, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

348

Unique beneficiaries

—

Total services

5,132

Distinct HCPCS

Medicare payment

$21K

Peer benchmark

Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — above median (cohort median 2,975).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

91.3

Quality

75.0

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.68%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Y Vien Nguyen'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). 114 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Steven Sorenson Diagnostic Radiology · Redlands, CA	227	576
Unilab Corporation Clinical Laboratory · West Hills, CA	214	358
Jeffrey Dym Diagnostic Radiology · Laguna Niguel, CA	171	396
Navid Jahed Diagnostic Radiology · Mission Viejo, CA	165	338
Jackson Penry Diagnostic Radiology · Mission Viejo, CA	143	296
HERREN ENTERPRISES INC	116	191
Absalom Hepner Cardiology · Mission Viejo, CA	91	188
Byron J Allen Internal Medicine · Orange, CA	86	182
Tze Ip Cardiology · Mission Viejo, CA	73	157
SADDLEBACK MEMORIAL MEDICAL CENTER	71	115
NPI 1093895666	47	117
James Price Emergency Medicine · Mission Viejo, CA	47	78

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