Quick answers
- Which hospitals does Ronald Walker work at?
- Medicare's official clinician data lists Ronald Walker at 3 hospitals: Memorial Hospital, SSM Health Saint Louis University Hospital and SSM St Joseph Health Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ronald Walker see patients?
- Medicare's clinician data lists 3 practice locations, including Saint Louis, MO. Call before your visit to confirm the address.
- What is Ronald Walker's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Ronald Walker accept Medicare assignment?
- Yes. Medicare's clinician data says Ronald 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 Ronald Walker?
- (608) 280-4647, as listed in official Medicare / NPI Registry data.
- What is Ronald Walker's NPI number?
- 1336340009. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ronald Walker works
Medicare's Facility Affiliation Data lists Ronald Walker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorial HospitalBelleville, IL · Acute Care Hospital · CCN 140185
- SSM Health Saint Louis University HospitalSaint Louis, MO · Acute Care Hospital · CCN 260105
- SSM St Joseph Health CenterSaint Charles, MO · Acute Care Hospital · CCN 260005
Practice locations
Addresses where Ronald Walker is enrolled with Medicare (CMS data updated 2026-10-02).
- 10101 Woodfield LnSaint Louis, MO 63132 (608) 280‑4647
- 1201 S Grand BlvdSaint Louis, MO 63104 (314) 617‑2000
- 1225 S Grand BlvdSaint Louis, MO 63104
Group practices
Medicare enrollment lists Ronald Walker as a member of this group (CMS data updated 2026-10-02).
- SSM Health Care Group940 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336340009 |
| 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