What is Tien-Tsai Tsai's specialty?

Tien-Tsai Tsai (NPI 1558525196) is a Medicare-billing provider whose primary specialty is Internal Medicine in Flushing, NY.

Where does Tien-Tsai Tsai practice?

Tien-Tsai Tsai practices in Flushing, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1558525196.

How much does Medicare pay Tien-Tsai Tsai?

Tien-Tsai Tsai (NPI 1558525196) received approximately $222K in total Medicare Part B payments, serving 223 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1558525196

Tien-Tsai TsaiM.D.

Internal MedicineFlushing, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

812

Unique beneficiaries

—

Total services

2,645

Distinct HCPCS

Medicare payment

$220K

Peer benchmark

Total Medicare services vs. 7,864 Internal Medicine providers in NY — top quintile (cohort median 552).

PRESCRIBING · PART D · 2024

Total Rx claims

2,651

Beneficiaries

—

Total drug cost

$182K

Distinct drugs

Brand share

28.9%

Top prescribed drugs

Amlodipine Besylate232 claims

Atorvastatin Calcium227 claims

Tamsulosin Hcl109 claims

Hydralazine Hcl89 claims

Sitagliptin Phosphate86 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 Tien-Tsai 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). 25 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Seniorcare Emergency Medical Services Inc. Ambulance Service Provider · Bronx, NY	70	227
ATLANTIS REHABILITATION&RHCF	54	261
New York City Health And Hospitals Corporation Ambulance Service Provider · Brooklyn, NY	45	78
MIDWOOD AMBULANCE & OXYGEN SERVICE INC	45	162
MAIMONIDES MEDICAL CENTER	42	134
Kevin Tin Gastroenterology · Brooklyn, NY	37	360
David Boyajian Diagnostic Radiology · New York, NY	25	104
BETH ISRAEL MEDICAL CENTER	24	68
Kathleen Doherty Diagnostic Radiology · Manchester, NH	24	103
Robert Husney Infectious Disease · Brooklyn, NY	23	195
THE BROOKLYN HOSPITAL CENTER	23	43
Brighid Gannon Nurse Practitioner · New York, NY	22	33

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