PROVIDER PROFILE · NPI 1558591008

Hien NguyenM.D.

PRACTICEAMISUB IRVINE MEDICAL CENTER), INC.See all providers at this practice →

HospitalistIrvine, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

473

Unique beneficiaries

—

Total services

671

Distinct HCPCS

Medicare payment

$61K

Peer benchmark

Total Medicare services vs. 1,917 Hospitalist providers in CA — above median (cohort median 446).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$465

Distinct drugs

Brand share

20.6%

Top prescribed drugs

Amoxicillin/Potassium Clav20 claims

Atorvastatin Calcium17 claims

Cefdinir16 claims

Furosemide16 claims

Prednisone16 claims

QUALITY · MIPS · 2024

Final MIPS score

54.9

Quality

53.8

Cost

64.9

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-2.41%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$22

Payment records

By payment type

Food and Beverage$22

REFERRAL NETWORK

Where Hien 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). 38 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
HERREN ENTERPRISES INC	54	216
Unilab Corporation Clinical Laboratory · West Hills, CA	46	205
Binh Nguyen Interventional Radiology · Newport Beach, CA	37	116
Wallace Peck Diagnostic Radiology · Newport Beach, CA	35	130
Karence Chan Diagnostic Radiology · Newport Beach, CA	32	114
Jascha Wollank Hospitalist · Newport Beach, CA	30	112
Derrick Hong Hospitalist · Irvine, CA	29	279
Steven Oglevie Diagnostic Radiology · Beverly Hills, CA	26	114
Winston Whitney Diagnostic Radiology · Newport Beach, CA	26	115
Seric Cusick Emergency Medicine · San Clemente, CA	24	78
David Liao Hospitalist · Irvine, CA	24	117
Larry Pham Emergency Medicine · Newport Beach, CA	22	98

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