Quick answers
- Which hospitals does Mathieu L. Assercq work at?
- Medicare's official clinician data lists Mathieu L. Assercq at 3 hospitals: McKenzie-Willamette Medical Center, Sacred Heart Medical Center - Riverbend and Willis Knighton Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mathieu L. Assercq see patients?
- Medicare's clinician data lists 3 practice locations, including Bossier City, LA, Springfield, OR and Shreveport, LA. Call before your visit to confirm the address.
- What is Mathieu L. Assercq's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Mathieu L. Assercq accept Medicare assignment?
- Yes. Medicare's clinician data says Mathieu L. Assercq 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 Mathieu L. Assercq?
- (318) 212-7000, as listed in official Medicare / NPI Registry data.
- What is Mathieu L. Assercq's NPI number?
- 1811492036. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mathieu L. Assercq works
Medicare's Facility Affiliation Data lists Mathieu L. Assercq at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- McKenzie-Willamette Medical CenterSpringfield, OR · Acute Care Hospital · CCN 380020
- Sacred Heart Medical Center - RiverbendSpringfield, OR · Acute Care Hospital · CCN 380102
- Willis Knighton Medical CenterShreveport, LA · Acute Care Hospital · CCN 190111
Practice locations
Addresses where Mathieu L. Assercq is enrolled with Medicare (CMS data updated 2026-10-02).
- 2400 Hospital DrBossier City, LA 71111 (318) 212‑7000
- 3333 Riverbend DrSpringfield, OR 97477 (541) 222‑2300
- 8001 Youree DrShreveport, LA 71115 (318) 212‑3000
Group practices
Medicare enrollment lists Mathieu L. Assercq as a member of these groups (CMS data updated 2026-10-02).
- Northwest Anesthesia Physicians PC92 clinicians in the group
- Willis Knighton Medical Center Inc Crna Group90 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Bossier City
Clinicians with the same Medicare primary specialty in Bossier City, LA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811492036 |
| 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