Quick answers
- Which hospitals does Yan Liu work at?
- Medicare's official clinician data lists Yan Liu at 5 hospitals: OSF Holy Family Medical Center, OSF Saint Luke Medical Center, Saint Francis Medical Center, St Mary Medical Center and Trinity Rock Island. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Yan Liu see patients?
- Medicare's clinician data lists 9 practice locations, including Knoxville, IL and Galesburg, IL. Call before your visit to confirm the address.
- What is Yan Liu's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Yan Liu accept Medicare assignment?
- Yes. Medicare's clinician data says Yan Liu 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 Yan Liu?
- (309) 289-2335, as listed in official Medicare / NPI Registry data.
- What is Yan Liu's NPI number?
- 1366540684. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Yan Liu works
Medicare's Facility Affiliation Data lists Yan Liu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- OSF Holy Family Medical CenterMonmouth, IL · Critical Access Hospital · CCN 141318
- OSF Saint Luke Medical CenterKewanee, IL · Critical Access Hospital · CCN 141325
- Saint Francis Medical CenterPeoria, IL · Acute Care Hospital · CCN 140067
- St Mary Medical CenterGalesburg, IL · Acute Care Hospital · CCN 140064
- Trinity Rock IslandRock Island, IL · Acute Care Hospital · CCN 140280
Practice locations
Addresses where Yan Liu is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 104 S Broadway StKnoxville, IL 61448 (309) 289‑2335
- 3315 N Seminary StGalesburg, IL 61401 (309) 344‑1000
- 3315 N Seminary St, St 101Galesburg, IL 61401 (309) 344‑1000
- 3315 N Seminary St, Suite 206 207 208Galesburg, IL 61401 (309) 344‑1000
- 3333 N Seminary StGalesburg, IL 61401
Group practices
Medicare enrollment lists Yan Liu as a member of these groups (CMS data updated 2026-10-02).
- OSF Multi-Specialty Group2,114 clinicians in the group
- St Mary Medical Center50 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366540684 |
| 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