Quick answers
- Where does Wen-Yee Tsai see patients?
- Medicare's clinician data lists 1 practice location in Oakland, CA. Call before your visit to confirm the address.
- What is Wen-Yee Tsai's specialty?
- Medicare lists Endocrinology as the primary specialty, and also Internal Medicine.
- Does Wen-Yee Tsai accept Medicare assignment?
- Yes. Medicare's clinician data says Wen-Yee 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 Wen-Yee Tsai offer telehealth?
- Medicare's clinician data says Wen-Yee Tsai offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Wen-Yee Tsai?
- (510) 752-1000, as listed in official Medicare / NPI Registry data.
- What is Wen-Yee Tsai's NPI number?
- 1952425803. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Wen-Yee Tsai is enrolled with Medicare (CMS data updated 2026-10-02).
- 3505 BroadwayOakland, CA 94611 (510) 752‑1000
Group practices
Medicare enrollment lists Wen-Yee Tsai as a member of this group (CMS data updated 2026-10-02).
- Permanente Medical Group Inc10,996 clinicians in the group
Specialties
- Endocrinologyprimary
- Internal Medicinealso
Other endocrinologists in Oakland
Clinicians with the same Medicare primary specialty in Oakland, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Stony Brook, School Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1952425803 |
| 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
- 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