What is Martha Tzou's specialty?

Martha Tzou (NPI 1710187646) is a Medicare-billing provider whose primary specialty is Cardiology in Houston, TX.

Where does Martha Tzou practice?

Martha Tzou practices in Houston, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1710187646.

How much does Medicare pay Martha Tzou?

Martha Tzou (NPI 1710187646) received approximately $18K in total Medicare Part B payments, serving 288 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events