DR. MARTHA TZOU M.D.
NPI 1710187646
Internal Medicine - Cardiovascular Disease in Houston, TX

Active since July 19, 2007PECOS EnrolledAccepts Medicare Assignment
82.38/100
CMS Quality Rating
6431 FANNIN ST, MSB 1.150, HOUSTON, TX 77030(703) 500-6549 Get Directions Write a Review

NPPES record last updated: March 20, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Martha Tzou M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARTHA TZOU M.D. (NPI 1710187646) is an individual cardiovascular disease provider in Houston, Texas, licensed in Texas (Q0196) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS, is affiliated with Harris Health System, and is a graduate of Ohio State University College Of Medicine (2007).

NPPES Registry Identity

NPI1710187646
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameDR. MARTHA TZOUCredential: M.D.
Location Address6431 FANNIN ST, MSB 1.150Houston, TX 77030-1501
Mailing Address6431 Fannin St, Msb 1.150Houston, TX 77030-1501
Sole ProprietorYes
Medical School CMSOhio State University College Of MedicineGraduated 2007
Enumeration DateJuly 19, 2007
Last NPPES UpdateMarch 20, 2023
NPPES CertifiedMarch 20, 2023
NPI 1710187646 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in TX · Q0196
Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

6431 FANNIN ST, Houston, TX 77030

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Martha Tzou M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9032335468
PECOS Enrollment IDI20140721002157
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit, 30-39 minutes 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
75 services41 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
65 services65 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
47 services40 patients
Established patient office or other outpatient visit, 30-39 minutes 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
44 services33 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
17 services16 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
17 services17 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Harris Health System

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450289
Location2525 Holly HallHouston, TX 77054 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.38/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.23
Promoting Interoperability100
Improvement Activities40
Cost58.5

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Anesthesiology
6431 FANNIN ST, MSB 5.020
HOUSTON, TX 77030
Genetic Counselor, MS
6431 FANNIN ST, SUITE 3.148
HOUSTON, TX 77030
Genetic Counselor, MS
6431 FANNIN ST, SUITE 3.604
HOUSTON, TX 77030
Pediatrics
6431 FANNIN ST, JJL 495
HOUSTON, TX 77030
Internal Medicine (Infectious Disease)
6431 FANNIN ST, 2.112 MSB
HOUSTON, TX 77030
Internal Medicine (Pulmonary Disease)
6431 FANNIN ST, MSB 1.274
HOUSTON, TX 77030
Emergency Medicine
6431 FANNIN ST, JJL 417
HOUSTON, TX 77030
Radiology (Diagnostic Radiology)
6431 FANNIN ST, 2132
HOUSTON, TX 77030

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Martha Tzou's NPI number?

The NPI number for Martha Tzou is 1710187646. It was assigned to this individual provider in the NPPES registry on July 19, 2007.

Where is Martha Tzou located?

Martha Tzou practices at 6431 Fannin St Msb 1.150, Houston, TX 77030. The listed phone number is (703) 500-6549.

What is Martha Tzou's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Martha Tzou enrolled in Medicare?

Yes. Martha Tzou is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Martha Tzou accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Martha Tzou as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Martha Tzou affiliated with any hospitals?

According to CMS data, Martha Tzou is affiliated with Harris Health System.

When was this NPI record last updated?

The NPPES record for Martha Tzou was last updated on March 20, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.