PROVIDER PROFILE · NPI 1710187646

Martha TzouM.D.

CardiologyHouston, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

261

Unique beneficiaries

—

Total services

296

Distinct HCPCS

Medicare payment

$13K

Peer benchmark

Total Medicare services vs. 1,379 Cardiology providers in TX — bottom quintile (cohort median 2,215).

PRESCRIBING · PART D · 2024

Total Rx claims

1,171

Beneficiaries

—

Total drug cost

$111K

Distinct drugs

Brand share

17.1%

Top prescribed drugs

Atorvastatin Calcium190 claims

Carvedilol134 claims

Losartan Potassium102 claims

Metoprolol Succinate86 claims

Lisinopril81 claims

QUALITY · MIPS · 2024

Final MIPS score

84.1

Quality

69.2

Cost

73.6

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.38%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$51

Payment records

By payment type

Food and Beverage$51

REFERRAL NETWORK

Where Martha Tzou'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). 10 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
HARRIS COUNTY HOSPITAL DISTRICT	105	439
City Of Houston Ambulance Service Provider · Houston, TX	24	62
Michael Bungo Cardiology · Houston, TX	23	63
Miguel Fabrega Diagnostic Radiology · Houston, TX	18	54
Monica Patel Cardiology · Houston, TX	18	28
Phuc Nguyen Cardiology · Houston, TX	17	70
John Higgins Cardiology · Houston, TX	16	76
Latifa Sanhaji Diagnostic Radiology · Houston, TX	12	26
Joseph Hasapes Diagnostic Radiology · Houston, TX	11	30
Dhiraj Rajkumar Diagnostic Radiology · Houston, TX	11	24

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