Quick answers
- Which hospitals does Lillian L. Tsai work at?
- Medicare's official clinician data lists Lillian L. Tsai at 3 hospitals: Santa Clara Valley Medical Center, Sequoia Hospital and Stanford Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lillian L. Tsai see patients?
- Medicare's clinician data lists 3 practice locations, including Redwood City, CA, Stanford, CA and San Jose, CA. Call before your visit to confirm the address.
- What is Lillian L. Tsai's specialty?
- Medicare lists General Surgery as the primary specialty, and also Thoracic Surgery.
- Does Lillian L. Tsai accept Medicare assignment?
- Yes. Medicare's clinician data says Lillian L. 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.
- Does Lillian L. Tsai offer telehealth?
- Medicare's clinician data says Lillian L. Tsai offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Lillian L. Tsai?
- (650) 261-2366, as listed in official Medicare / NPI Registry data.
- What is Lillian L. Tsai's NPI number?
- 1225490519. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lillian L. Tsai works
Medicare's Facility Affiliation Data lists Lillian L. Tsai at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Santa Clara Valley Medical CenterSan Jose, CA · Acute Care Hospital · CCN 050038
- Sequoia HospitalRedwood City, CA · Acute Care Hospital · CCN 050197
- Stanford Health CareStanford, CA · Acute Care Hospital · CCN 050441
Practice locations
Addresses where Lillian L. Tsai is enrolled with Medicare (CMS data updated 2026-10-02).
- 2900 Whipple Ave, Suite 140Redwood City, CA 94062 (650) 261‑2366
- 300 Pasteur DrStanford, CA 94305 (650) 723‑4000
- 751 S Bascom Ave, Santa Clara Vly MedSan Jose, CA 95128 (408) 885‑5000
Group practices
Medicare enrollment lists Lillian L. Tsai as a member of these groups (CMS data updated 2026-10-02).
- Stanford Health Care3,122 clinicians in the group
- Dignity Health Medical Foundation1,184 clinicians in the group
- County of Santa Clara1,022 clinicians in the group
Specialties
- General Surgeryprimary
- Thoracic Surgeryalso
Other general surgeons in Redwood City
Clinicians with the same Medicare primary specialty in Redwood City, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Emory University School Of Medicine |
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1225490519 |
| 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