What is Vivian Nguyen's specialty?

Vivian Nguyen (NPI 1689869570) is a Medicare-billing provider whose primary specialty is Hospitalist in Westminster, CA.

Where does Vivian Nguyen practice?

Vivian Nguyen practices in Westminster, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1689869570.

How much does Medicare pay Vivian Nguyen?

Vivian Nguyen (NPI 1689869570) received approximately $134K in total Medicare Part B payments, serving 349 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1689869570

Vivian NguyenMD

PRACTICEVIVIAN NGUYEN MD PROFESSIONAL CORPSee all providers at this practice →

HospitalistWestminster, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

467

Unique beneficiaries

—

Total services

1,341

Distinct HCPCS

Medicare payment

$129K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

872

Beneficiaries

—

Total drug cost

$36K

Distinct drugs

Brand share

15.3%

Top prescribed drugs

Atorvastatin Calcium72 claims

Losartan Potassium42 claims

Amlodipine Besylate38 claims

Apixaban37 claims

Levofloxacin36 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$22

Payment records

By payment type

Food and Beverage$22

Top paying entities

Food and Beverage$22

REFERRAL NETWORK

Where Vivian 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). 11 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
TA, HAN	83	218
David Lebeau Diagnostic Radiology · Riverside, CA	61	135
Naveen Maramreddy Hospitalist · Truckee, CA	29	60
Brandon Tong Internal Medicine · Fontana, CA	23	70
Syed Raza Cardiology · Apple Valley, CA	19	40
Katherine Alconcel Internal Medicine · Apple Valley, CA	18	38
Joe Chauvapun Vascular Surgery · Palmdale, CA	15	53
Bipinchandra Bhagat Infectious Disease · Victorville, CA	15	33
Ardavan Afshar Diagnostic Radiology · Riverside, CA	14	17
Edgard Vera Tapia Nephrology · Victorville, CA	12	30
Jennifer Dowalter Internal Medicine · Rancho Mirage, CA	11	24

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