Quick answers
- Which hospitals does Sidney A. Marchand work at?
- Medicare's official clinician data lists Sidney A. Marchand at 3 hospitals: Altus Lumberton Hospital, Baptist Beaumont Hospital and CHRISTUS Southeast Texas- St Elizabeth. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sidney A. Marchand see patients?
- Medicare's clinician data lists 1 practice location in Beaumont, TX. Call before your visit to confirm the address.
- What is Sidney A. Marchand's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Sidney A. Marchand accept Medicare assignment?
- Yes. Medicare's clinician data says Sidney A. Marchand 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 Sidney A. Marchand?
- (409) 899-2500, as listed in official Medicare / NPI Registry data.
- What is Sidney A. Marchand's NPI number?
- 1376553685. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sidney A. Marchand works
Medicare's Facility Affiliation Data lists Sidney A. Marchand at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Altus Lumberton HospitalLumberton, TX · Acute Care Hospital · CCN 670134
- Baptist Beaumont HospitalBeaumont, TX · Acute Care Hospital · CCN 450346
- CHRISTUS Southeast Texas- St ElizabethBeaumont, TX · Acute Care Hospital · CCN 450034
Practice locations
Addresses where Sidney A. Marchand is enrolled with Medicare (CMS data updated 2026-10-02).
- 3030 N St, Suite 430Beaumont, TX 77702 (409) 899‑2500
Group practices
Medicare enrollment lists Sidney A. Marchand as a member of this group (CMS data updated 2026-10-02).
- Beaumont Dermatology and Family Practice, LLP3 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Beaumont
Clinicians with the same Medicare primary specialty in Beaumont, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In New Orleans |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376553685 |
| 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