What is David Hsi's specialty?

David Hsi (NPI 1588616312) is a Medicare-billing provider whose primary specialty is Cardiology in Stamford, CT.

Where does David Hsi practice?

David Hsi practices in Stamford, CT, based on the location reported in the CMS Medicare provider datasets for NPI 1588616312.

How much does Medicare pay David Hsi?

David Hsi (NPI 1588616312) received approximately $72K in total Medicare Part B payments, serving 398 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1588616312

David HsiMD

CardiologyStamford, CTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,075

Unique beneficiaries

—

Total services

1,283

Distinct HCPCS

Medicare payment

$69K

Peer benchmark

Total Medicare services vs. 375 Cardiology providers in CT — below median (cohort median 1,798).

PRESCRIBING · PART D · 2024

Total Rx claims

2,582

Beneficiaries

—

Total drug cost

$355K

Distinct drugs

Brand share

16.4%

Top prescribed drugs

Amlodipine Besylate321 claims

Atorvastatin Calcium317 claims

Metoprolol Succinate306 claims

Losartan Potassium221 claims

Carvedilol192 claims

QUALITY · MIPS · 2024

Final MIPS score

86.6

Quality

84.9

Cost

71.3

Improvement activities

40.0

Promoting interop.

99.0

Payment adjustment

0.49%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$477

Payment records

By payment type

Food and Beverage$477

Top paying entities

Food and Beverage$477

REFERRAL NETWORK

Where David Hsi'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). 20 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
STAMFORD HOSPITAL	279	1,011
Joonun Choi Cardiology · Stamford, CT	54	76
HECHT, HARVEY	43	111
Elizabeth Gaary Diagnostic Radiology · Hudson, OH	34	41
Jeffrey Green Cardiology · Stamford, CT	30	75
Gregory D'onofrio Cardiology · Stamford, CT	29	55
HOROWITZ, STEVEN	26	88
David Bass Diagnostic Radiology · Wellington, FL	21	50
GALVEZ, MICHELLE	19	37
Nicola Corvaja Interventional Radiology · New York, NY	18	44
Kang Suh Hospitalist · Stamford, CT	18	42
Quest Diagnostics Llc Clinical Laboratory · Wallingford, CT	16	23

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