Quick answers
- Which hospitals does Calvin D. Alexander work at?
- Medicare's official clinician data lists Calvin D. Alexander at 1 hospital: Willis Knighton Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Calvin D. Alexander see patients?
- Medicare's clinician data lists 1 practice location in Shreveport, LA. Call before your visit to confirm the address.
- What is Calvin D. Alexander's specialty?
- Medicare lists Critical Care (Intensivists) as the primary specialty, and also Pulmonary Disease.
- Does Calvin D. Alexander accept Medicare assignment?
- Yes. Medicare's clinician data says Calvin D. Alexander 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 Calvin D. Alexander?
- (318) 635-0834, as listed in official Medicare / NPI Registry data.
- What is Calvin D. Alexander's NPI number?
- 1780689224. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Calvin D. Alexander works
Medicare's Facility Affiliation Data lists Calvin D. Alexander at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Willis Knighton Medical CenterShreveport, LA · Acute Care Hospital · CCN 190111
Practice locations
Addresses where Calvin D. Alexander is enrolled with Medicare (CMS data updated 2026-10-02).
- 1202 Louisiana AveShreveport, LA 71101 (318) 635‑0834
Group practices
Medicare enrollment lists Calvin D. Alexander as a member of this group (CMS data updated 2026-10-02).
- WK North Pulmonary and Critical Care22 clinicians in the group
Specialties
Find other Critical Care (Intensivists) doctors in Louisiana →
Other critical care doctors in Shreveport
Clinicians with the same Medicare primary specialty in Shreveport, LA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical Branch At Galveston |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780689224 |
| 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