Quick answers
- Which hospitals does Martha S. Tzou work at?
- Medicare's official clinician data lists Martha S. Tzou at 1 hospital: Memorial Hermann - Texas Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Martha S. Tzou see patients?
- Medicare's clinician data lists 9 practice locations, including Houston, TX, Katy, TX and Missouri City, TX. Call before your visit to confirm the address.
- What is Martha S. Tzou's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does Martha S. Tzou accept Medicare assignment?
- Yes. Medicare's clinician data says Martha S. Tzou accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Martha S. Tzou?
- (832) 775-9800, as listed in official Medicare / NPI Registry data.
- What is Martha S. Tzou's NPI number?
- 1710187646. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Martha S. Tzou works
Medicare's Facility Affiliation Data lists Martha S. Tzou at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorial Hermann - Texas Medical CenterHouston, TX · Acute Care Hospital · CCN 450068
Practice locations
Addresses where Martha S. Tzou is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 11452 Space Ctr BlvdHouston, TX 77059 (832) 775‑9800
- 11476 Space Ctr BlvdHouston, TX 77059 (713) 486‑1120
- 1333 Moursund StHouston, TX 77030 (713) 797‑5929
- 5503 N Fry Rd, Harris Health and Contract Pediatric ClinicKaty, TX 77449 (713) 486‑7650
- 5656 Kelley StHouston, TX 77026
Group practices
Medicare enrollment lists Martha S. Tzou as a member of this group (CMS data updated 2026-10-02).
- UT Physicians1,765 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Texas →
Other cardiologists in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ohio State University College Of Medicine |
| Graduation year | 2007 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710187646 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians