Quick answers
- Which hospitals does Annabelle S. Tsai work at?
- Medicare's official clinician data lists Annabelle S. Tsai at 1 hospital: Memorial Hermann Sugar Land Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Annabelle S. Tsai see patients?
- Medicare's clinician data lists 2 practice locations, including Houston, TX. Call before your visit to confirm the address.
- What is Annabelle S. Tsai's specialty?
- Medicare lists Anesthesiology Assistant as the primary specialty.
- Does Annabelle S. Tsai accept Medicare assignment?
- Yes. Medicare's clinician data says Annabelle S. Tsai 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 Annabelle S. Tsai?
- (713) 620-4000, as listed in official Medicare / NPI Registry data.
- What is Annabelle S. Tsai's NPI number?
- 1245799253. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Annabelle S. Tsai works
Medicare's Facility Affiliation Data lists Annabelle S. Tsai at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorial Hermann Sugar Land HospitalSugar Land, TX · Acute Care Hospital · CCN 450848
Practice locations
Addresses where Annabelle S. Tsai is enrolled with Medicare (CMS data updated 2026-10-02).
- 1500 Citywest Blvd, Suite 300Houston, TX 77042 (713) 620‑4000
- 7600 Beechnut StHouston, TX 77074 (713) 620‑4000
Group practices
Medicare enrollment lists Annabelle S. Tsai as a member of this group (CMS data updated 2026-10-02).
- U S Anesthesia Partners of Texas, PA2,752 clinicians in the group
Specialties
- Anesthesiology Assistantprimary
Other anesthesiologist assistants in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Clinician information
| Credential | AA |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245799253 |
| 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