David Maurice Chambers, M.D.
NPI 1306139746ActiveIndividual· Internal Medicine, Pulmonary Disease· Shreveport, LA
Internal Medicine, Pulmonary Disease (M.D.) in Shreveport, Louisiana, trained at Indiana University School of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $414,865 for 579 claims, against $32,828 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 26 companies reporting payments in 2025, $2,386 in all, mostly food and beverage.
Overview
| NPI | 1306139746 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 18, 2011 |
| Last updated in NPPES | Jul 11, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 309288 | LA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 309288 | LA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 2017-00207 | NC |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 2017-00207 | NC |
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 | 241 |
|---|---|
| Services billed | 453 across 43 procedure codes |
| Paid by Medicare | $32,828 |
Part D prescriptions in 2024
| Prescriptions (claims) | 579 · 718 30-day fills |
|---|---|
| Patients | 120 |
| Total drug cost | $414,865 |
| Generic share | 37% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Critical Care (Intensivists) |
| Telehealth | Offers telehealth |
Medical groups
- Lsu Health Sciences Center Shreveport Faculty Group PracticeShreveport, LA · 571 clinicians
- Nrmc Physician IPA IncNatchitoches, LA · 30 clinicians
Hospital affiliations
- Fmol Health St FrancisMonroe, LA
- Natchitoches Regional Medical CenterNatchitoches, LA
- Ochsner Lsu Health MonroeMonroe, LA
- Ochsner Lsu Health ShreveportShreveport, LA
- Ochsner Lsu Health Shreveport-St Mary Medical CentShreveport, LA
Industry payments (Open Payments)
- 2025$2,386 · 126 payments from 26 companies
- 2024$2,112 · 105 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $512.17 | 33 |
| Glaxosmithkline, LLC. | $410.62 | 21 |
| Actelion Pharmaceuticals US, Inc. | $232.17 | 13 |
| Genzyme Corporation | $227.15 | 8 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $140.02 | 7 |
What the 2025 payments were for
- Food and Beverage$2,386 · 126 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 pulmonologists in Shreveport · All pulmonologists in Louisiana