Quick answers
- Which hospitals does Sylvia Li work at?
- Medicare's official clinician data lists Sylvia Li at 1 hospital: Riverside Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sylvia Li see patients?
- Medicare's clinician data lists 4 practice locations, including Rancho Cucamonga, CA and Swartswood, NJ. Call before your visit to confirm the address.
- What is Sylvia Li's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Sylvia Li accept Medicare assignment?
- Medicare's clinician data says Sylvia Li may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Sylvia Li's NPI number?
- 1437846466. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sylvia Li works
Medicare's Facility Affiliation Data lists Sylvia Li at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Riverside Community HospitalRiverside, CA · Acute Care Hospital · CCN 050022
Practice locations
Addresses where Sylvia Li is enrolled with Medicare (CMS data updated 2026-10-02).
- 10784 Boulder Canyon RdRancho Cucamonga, CA 91737
- 12223 Highland Ave, Suite 52Rancho Cucamonga, CA 91739
- 12223 Highland Ave, Suite 526Rancho Cucamonga, CA 91739
- PO Box, Suite 43Swartswood, NJ 07877
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Rancho Cucamonga
Clinicians with the same Medicare primary specialty in Rancho Cucamonga, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1437846466 |
| 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