What is Diane Tsai's specialty?

Diane Tsai (NPI 1730266966) is a Medicare-billing provider whose primary specialty is Radiation Oncology in Silverdale, WA.

Where does Diane Tsai practice?

Diane Tsai practices in Silverdale, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1730266966.

How much does Medicare pay Diane Tsai?

Diane Tsai (NPI 1730266966) received approximately $172K in total Medicare Part B payments, serving 61 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1730266966

Diane TsaiM.D.

Radiation OncologySilverdale, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

223

Distinct HCPCS

Medicare payment

$22K

Peer benchmark

Total Medicare services vs. 137 Radiation Oncology providers in WA — below median (cohort median 1,376).

PRESCRIBING · PART D · 2024

Total Rx claims

110

Beneficiaries

—

Total drug cost

$3K

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Mupirocin35 claims

Tamsulosin Hcl33 claims

Cephalexin29 claims

Nystatin13 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Diane 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). 3 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Anjali Morales Dermatology · Mountain View, CA	34	344
Susan Wolf Dermatology · San Mateo, CA	33	348
Eric Rost Radiation Oncology · Reno, NV	26	375

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