Calvin D. Alexander, M.D.
NPI 1780689224ActiveIndividual· Internal Medicine, Critical Care Medicine· Shreveport, LA
Internal Medicine, Critical Care Medicine (M.D.) in Shreveport, Louisiana, trained at University of Texas Medical Branch at Galveston (class of 1987). Medicare paid $51,781 for services to 182 patients in 2024. Abiomed reported $31.53 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1780689224 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 20, 2005 |
| Last updated in NPPES | Jun 16, 2021 |
| Certified by provider | Jun 16, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | 09167R | LA |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 09167R | LA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Critical Care (Intensivists) (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 182 |
|---|---|
| Services billed | 586 across 17 procedure codes |
| Paid by Medicare | $51,781 |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | Pulmonary Disease |
Medical group
- Wk North Pulmonary and Critical CareShreveport, LA · 22 clinicians
Hospital affiliation
- Willis Knighton Medical CenterShreveport, LA
Industry payments (Open Payments)
- 2025$31.53 · 1 payment from 1 company
- 2024$669.18 · 19 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abiomed | $31.53 | 1 |
What the 2025 payments were for
- Food and Beverage$31.53 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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