Quick answers
- Which hospitals does Janice K. Ryu work at?
- Medicare's official clinician data lists Janice K. Ryu at 3 hospitals: Sutter Amador Hospital, Sutter Medical Center, Sacramento and Sutter Roseville Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Janice K. Ryu see patients?
- Medicare's clinician data lists 7 practice locations, including Fairfield, CA, Sacramento, CA and Auburn, CA. Call before your visit to confirm the address.
- What is Janice K. Ryu's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Janice K. Ryu accept Medicare assignment?
- Yes. Medicare's clinician data says Janice K. Ryu 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 Janice K. Ryu?
- (707) 432-2600, as listed in official Medicare / NPI Registry data.
- What is Janice K. Ryu's NPI number?
- 1710968474. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Janice K. Ryu works
Medicare's Facility Affiliation Data lists Janice K. Ryu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sutter Amador HospitalJackson, CA · Acute Care Hospital · CCN 050014
- Sutter Medical Center, SacramentoSacramento, CA · Acute Care Hospital · CCN 050108
- Sutter Roseville Medical CenterRoseville, CA · Acute Care Hospital · CCN 050309
Practice locations
Addresses where Janice K. Ryu is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 2702 Low CtFairfield, CA 94534 (707) 432‑2600
- 2720 Low CtFairfield, CA 94534 (707) 428‑2731
- 2800 L StSacramento, CA 95816
- 2825 Capitol AveSacramento, CA 95816 (916) 454‑6600
- 3288 Bell RdAuburn, CA 95603 (530) 886‑2300
Group practices
Medicare enrollment lists Janice K. Ryu as a member of this group (CMS data updated 2026-10-02).
- Sutter Valley Medical Foundation2,500 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Francisco School Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710968474 |
| 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