Quick answers
- Which hospitals does Agnes C. Lewis work at?
- Medicare's official clinician data lists Agnes C. Lewis at 1 hospital: SSM St Joseph Hospital West. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Agnes C. Lewis see patients?
- Medicare's clinician data lists 3 practice locations, including Lake Saint Louis, MO, Lake St Louis, MO and Saint Louis, MO. Call before your visit to confirm the address.
- What is Agnes C. Lewis's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Agnes C. Lewis accept Medicare assignment?
- Yes. Medicare's clinician data says Agnes C. Lewis 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 Agnes C. Lewis?
- (636) 625-5200, as listed in official Medicare / NPI Registry data.
- What is Agnes C. Lewis's NPI number?
- 1821360454. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Agnes C. Lewis works
Medicare's Facility Affiliation Data lists Agnes C. Lewis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- SSM St Joseph Hospital WestLake Saint Louis, MO · Acute Care Hospital · CCN 260200
Practice locations
Addresses where Agnes C. Lewis is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Medical PlzLake Saint Louis, MO 63367 (636) 625‑5200
- 100 Medical Plz, Suite 1201Lake St Louis, MO 63367 (636) 625‑5342
- 1035 Bellevue Ave, Suite 500Saint Louis, MO 63117
Group practices
Medicare enrollment lists Agnes C. Lewis as a member of this group (CMS data updated 2026-10-02).
- SSM Medical Group Inc568 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Lake Saint Louis
Clinicians with the same Medicare primary specialty in Lake Saint Louis, MO — not a recommendation.
Clinician information
| Graduation year | 1993 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821360454 |
| 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