Quick answers
- Which hospitals does Riley Williams work at?
- Medicare's official clinician data lists Riley Williams at 1 hospital: Stormont Vail Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Riley Williams see patients?
- Medicare's clinician data lists 2 practice locations, including Topeka, KS. Call before your visit to confirm the address.
- What is Riley Williams's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Riley Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Riley Williams 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 Riley Williams?
- (785) 354-6000, as listed in official Medicare / NPI Registry data.
- What is Riley Williams's NPI number?
- 1316408586. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Riley Williams works
Medicare's Facility Affiliation Data lists Riley Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Stormont Vail HospitalTopeka, KS · Acute Care Hospital · CCN 170086
Practice locations
Addresses where Riley Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 1500 SW 10h AveTopeka, KS 66604 (785) 354‑6000
- 901 SW Garfield AveTopeka, KS 66606 (785) 354‑9591
Group practices
Medicare enrollment lists Riley Williams as a member of this group (CMS data updated 2026-10-02).
- Cotton-O'neil Clinic Revocable Trust666 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Topeka
Clinicians with the same Medicare primary specialty in Topeka, KS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316408586 |
| 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