Doctor profile · Federal record

Dr. Martha Tzou, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Houston, TX

  • NPI 1710187646
  • Accepts Medicare
  • MIPS 81.3 / 100 · 2023
  • 19 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6431 Fannin St, Msb 1.150
Houston, TX 770301501
(703) 500-6549

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
March 20, 2023
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Texas #Q0196

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710187646. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
267
Distinct HCPCS
7
Medicare allowed
$22,709
HCPCS Description Services Patients Avg allowed
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 77 77 $70
99214 Established patient office or other outpatient visit, 30-39 minutes 69 38 $124
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 49 39 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 37 30 $97
93880 Ultrasound of both sides of head and neck blood flow 13 13 $197
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 11 11 $15
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 11 11 $188

In context: peer comparison

Among 118 peers in Houston Cardiovascular Disease Physician, average services per provider: 144. This provider delivers 1.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$51
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Ge Healthcare 2 $29.72
Novartis Pharmaceuticals Corporation 1 $21.25

By nature of payment

Food and Beverage
$51

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,078
Patients
361
Total drug cost
$64,959
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 175 62 $3,030
Carvedilol Generic 150 45 $1,782
Losartan Potassium Generic 105 35 $992
Lisinopril Generic 79 26 $723
Metoprolol Succinate Generic 78 28 $1,499
Amlodipine Besylate Generic 77 26 $1,123
Furosemide Generic 63 23 $422
Nifedipine ER (Nifedipine) Brand 53 18 $3,035
Eliquis (Apixaban) Brand 49 15 $47,427
Rosuvastatin Calcium Generic 49 19 $578

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Martha Tzou's medical specialty?
Dr. Martha Tzou practices Cardiovascular Disease Physician in Houston, TX.
Where does Dr. Martha Tzou practice?
Dr. Martha Tzou practices at 6431 Fannin St, Houston, TX 770301501. Office phone: 7035006549.
What is Dr. Martha Tzou's NPI?
Dr. Martha Tzou's National Provider Identifier (NPI) is 1710187646, issued by NPPES.
Does Dr. Martha Tzou accept Medicare assignment?
Yes. Dr. Martha Tzou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Martha Tzou commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.