Quick answers
- Which hospitals does Charles Willey work at?
- Medicare's official clinician data lists Charles Willey at 5 hospitals: Barnes-Jewish St Peters Hospital, Christian Hospital Northeast, Missouri Baptist Medical Center, Progress West Hospital and SSM St Clare Health Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Charles Willey see patients?
- Medicare's clinician data lists 2 practice locations, including Saint Louis, MO. Call before your visit to confirm the address.
- What is Charles Willey's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Charles Willey accept Medicare assignment?
- Yes. Medicare's clinician data says Charles Willey 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 Charles Willey?
- (314) 843-4794, as listed in official Medicare / NPI Registry data.
- What is Charles Willey's NPI number?
- 1811996028. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Charles Willey works
Medicare's Facility Affiliation Data lists Charles Willey at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Barnes-Jewish St Peters HospitalSaint Peters, MO · Acute Care Hospital · CCN 260191
- Christian Hospital NortheastSaint Louis, MO · Acute Care Hospital · CCN 260180
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · CCN 260108
- Progress West HospitalOfallon, MO · Acute Care Hospital · CCN 260219
- SSM St Clare Health CenterFenton, MO · Acute Care Hospital · CCN 260081
Practice locations
Addresses where Charles Willey is enrolled with Medicare (CMS data updated 2026-10-02).
- 7212 Balson AveSaint Louis, MO 63130
- 9915 Kennerly Rd JSaint Louis, MO 63128 (314) 843‑4794
Group practices
Medicare enrollment lists Charles Willey as a member of these groups (CMS data updated 2026-10-02).
- Aging Well Health Care, LLC238 clinicians in the group
- CJW Enterprises, Inc4 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Washington University School Of Medicine |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811996028 |
| 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