Quick answers
- Which hospitals does Sara Ruddock-Walker work at?
- Medicare's official clinician data lists Sara Ruddock-Walker at 2 hospitals: Northwestern Medicine Central Dupage Hospital and Rush University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sara Ruddock-Walker see patients?
- Medicare's clinician data lists 2 practice locations, including Winfield, IL and Chicago, IL. Call before your visit to confirm the address.
- What is Sara Ruddock-Walker's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Pediatric Medicine.
- Does Sara Ruddock-Walker accept Medicare assignment?
- Yes. Medicare's clinician data says Sara Ruddock-Walker 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 Sara Ruddock-Walker?
- (630) 260-0600, as listed in official Medicare / NPI Registry data.
- What is Sara Ruddock-Walker's NPI number?
- 1558711101. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sara Ruddock-Walker works
Medicare's Facility Affiliation Data lists Sara Ruddock-Walker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Rush University Medical CenterChicago, IL · Acute Care Hospital · CCN 140119
Practice locations
Addresses where Sara Ruddock-Walker is enrolled with Medicare (CMS data updated 2026-10-02).
- 0 N025 Winfield RdWinfield, IL 60190 (630) 260‑0600
- 1620 W Harrison StChicago, IL 60612 (312) 942‑3034
Group practices
Medicare enrollment lists Sara Ruddock-Walker as a member of these groups (CMS data updated 2026-10-02).
- Rush University Medical Group1,551 clinicians in the group
- Central Dupage Physician Group1,080 clinicians in the group
Specialties
- Hospitalistprimary
- Pediatric Medicinealso
Other hospitalists in Winfield
Clinicians with the same Medicare primary specialty in Winfield, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558711101 |
| 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