Quick answers
- Which hospitals does Walter Y. Tsang work at?
- Medicare's official clinician data lists Walter Y. Tsang at 1 hospital: Redlands Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Walter Y. Tsang see patients?
- Medicare's clinician data lists 4 practice locations, including Redlands, CA, San Bernardino, CA and Rancho Mirage, CA. Call before your visit to confirm the address.
- What is Walter Y. Tsang's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Walter Y. Tsang accept Medicare assignment?
- Yes. Medicare's clinician data says Walter Y. Tsang 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 Walter Y. Tsang offer telehealth?
- Medicare's clinician data says Walter Y. Tsang offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Walter Y. Tsang?
- (909) 307-1250, as listed in official Medicare / NPI Registry data.
- What is Walter Y. Tsang's NPI number?
- 1285861799. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Walter Y. Tsang works
Medicare's Facility Affiliation Data lists Walter Y. Tsang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Redlands Community HospitalRedlands, CA · Acute Care Hospital · CCN 050272
Practice locations
Addresses where Walter Y. Tsang is enrolled with Medicare (CMS data updated 2026-10-02).
- 1473 Ford St, Suite 104Redlands, CA 92373 (909) 307‑1250
- 225 W Hospitality Ln, Suite 103San Bernardino, CA 92408 (909) 886‑1900
- 71777 San Jacinto Dr, 101gRancho Mirage, CA 92270 (760) 969‑6505
- 72301 Country Club Dr, Suite 109Rancho Mirage, CA 92270 (760) 610‑5037
Group practices
Medicare enrollment lists Walter Y. Tsang as a member of this group (CMS data updated 2026-10-02).
- Austin J Ma MD a Professional Corporation11 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Redlands
Clinicians with the same Medicare primary specialty in Redlands, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Irvine, California College Of Medicine |
| Graduation year | 2007 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1285861799 |
| 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