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PROVIDER PROFILE · NPI 1770534182

Vivian TsaiM.D.

CardiologyFremont, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
4,730
Beneficiaries
—
Total drug cost
$852K
Distinct drugs
41
Brand share
18.8%
Top prescribed drugs
Atorvastatin Calcium706 claims
Metoprolol Succinate530 claims
Amlodipine Besylate382 claims
Apixaban365 claims
Rosuvastatin Calcium235 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Vivian Tsai'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). 49 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Jon Keller
Pathology · Palo Alto, CA
6692,568
Cheena Ramrakhiani
Cardiology · Stanford, CA
116175
Joseph Walter
Diagnostic Radiology · Palo Alto, CA
84106
Ingrid Hogberg
Cardiology · Fremont, CA
68222
Aria Dibiase
Advanced Heart Failure and Transplant Cardiology · Palo Alto, CA
5279
Elizabeth Jokerst
Family Practice · Fremont, CA
4673
Bob Hu
Cardiology · Stanford, CA
4454
William Mullen
Cardiology · Santa Clara, CA
3646
Sean Hilchey
Diagnostic Radiology · Fremont, CA
3343
Sung Chun
Clinical Cardiac Electrophysiology · Stanford, CA
3241
Mimi Lin
Diagnostic Radiology · Fremont, CA
31106
John Murao
Diagnostic Radiology · Palo Alto, CA
3136
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
2,201
Unique beneficiaries
—
Total services
2,813
Distinct HCPCS
24
Medicare payment
$234K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,869 Cardiology providers in CA — above median (cohort median 2,371).