What is Vivian Tsai's specialty?

Vivian Tsai (NPI 1770534182) is a Medicare-billing provider whose primary specialty is Cardiology in Fremont, CA.

Where does Vivian Tsai practice?

Vivian Tsai practices in Fremont, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1770534182.

How much does Medicare pay Vivian Tsai?

Vivian Tsai (NPI 1770534182) received approximately $240K in total Medicare Part B payments, serving 1,149 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1770534182

Vivian TsaiM.D.

CardiologyFremont, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,201

Unique beneficiaries

—

Total services

2,813

Distinct HCPCS

Medicare payment

$234K

Peer benchmark

Total Medicare services vs. 1,869 Cardiology providers in CA — above median (cohort median 2,371).

PRESCRIBING · PART D · 2024

Total Rx claims

4,730

Beneficiaries

—

Total drug cost

$852K

Distinct drugs

Brand share

18.8%

Top prescribed drugs

Atorvastatin Calcium706 claims

Metoprolol Succinate530 claims

Amlodipine Besylate382 claims

Apixaban365 claims

Rosuvastatin Calcium235 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

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

Physician	Patients	Visits
Jon Keller Pathology · Palo Alto, CA	669	2,568
Cheena Ramrakhiani Cardiology · Stanford, CA	116	175
Joseph Walter Diagnostic Radiology · Palo Alto, CA	84	106
Ingrid Hogberg Cardiology · Fremont, CA	68	222
Aria Dibiase Advanced Heart Failure and Transplant Cardiology · Palo Alto, CA	52	79
Elizabeth Jokerst Family Practice · Fremont, CA	46	73
Bob Hu Cardiology · Stanford, CA	44	54
William Mullen Cardiology · Santa Clara, CA	36	46
Sean Hilchey Diagnostic Radiology · Fremont, CA	33	43
Sung Chun Clinical Cardiac Electrophysiology · Stanford, CA	32	41
Mimi Lin Diagnostic Radiology · Fremont, CA	31	106
John Murao Diagnostic Radiology · Palo Alto, CA	31	36

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