Quick answers
- Which hospitals does Malvin Y. Yan work at?
- Medicare's official clinician data lists Malvin Y. Yan at 4 hospitals: Memorialcare Long Beach Medical Center, Saint Francis Medical Center, UCI Health-Lakewood and UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Malvin Y. Yan see patients?
- Medicare's clinician data lists 1 practice location in South Gate, CA. Call before your visit to confirm the address.
- What is Malvin Y. Yan's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Malvin Y. Yan accept Medicare assignment?
- Yes. Medicare's clinician data says Malvin Y. Yan 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 Malvin Y. Yan?
- (310) 886-0869, as listed in official Medicare / NPI Registry data.
- What is Malvin Y. Yan's NPI number?
- 1033153101. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Malvin Y. Yan works
Medicare's Facility Affiliation Data lists Malvin Y. Yan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorialcare Long Beach Medical CenterLong Beach, CA · Acute Care Hospital · CCN 050485
- Saint Francis Medical CenterLynwood, CA · Acute Care Hospital · CCN 050104
- UCI Health-LakewoodLakewood, CA · Acute Care Hospital · CCN 050581
- UCI Health-OrangeOrange, CA · Acute Care Hospital · CCN 050348
Practice locations
Addresses where Malvin Y. Yan is enrolled with Medicare (CMS data updated 2026-10-02).
- 9844 Atlantic Ave, BSouth Gate, CA 90280 (310) 886‑0869
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still University Of Health Sciences, College Of Osteo Med, Kirksville |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033153101 |
| 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