Quick answers
- Which hospitals does Alexandre Lacasse work at?
- Medicare's official clinician data lists Alexandre Lacasse at 1 hospital: SSM Health St Mary's Hospital - St Louis. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alexandre Lacasse see patients?
- Medicare's clinician data lists 2 practice locations, including Fenton, MO and Saint Louis, MO. Call before your visit to confirm the address.
- What is Alexandre Lacasse's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Infectious Disease.
- Does Alexandre Lacasse accept Medicare assignment?
- Yes. Medicare's clinician data says Alexandre Lacasse 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 Alexandre Lacasse?
- (636) 496-2000, as listed in official Medicare / NPI Registry data.
- What is Alexandre Lacasse's NPI number?
- 1972723765. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alexandre Lacasse works
Medicare's Facility Affiliation Data lists Alexandre Lacasse at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- SSM Health St Mary's Hospital - St LouisSaint Louis, MO · Acute Care Hospital · CCN 260091
Practice locations
Addresses where Alexandre Lacasse is enrolled with Medicare (CMS data updated 2026-10-02).
- 1015 Bowles AveFenton, MO 63026 (636) 496‑2000
- 6420 Clayton RdSaint Louis, MO 63117 (314) 768‑8000
Group practices
Medicare enrollment lists Alexandre Lacasse as a member of this group (CMS data updated 2026-10-02).
- SSM Health Care St Louis167 clinicians in the group
Specialties
- Internal Medicineprimary
- Infectious Diseasealso
Other internal medicine doctors in Fenton
Clinicians with the same Medicare primary specialty in Fenton, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972723765 |
| 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