Dr. Thomas N. Marshall, M.D,
Anesthesiology (Anesthesiology Physician)
1514 Jefferson Highway
New Orleans, LA 70121
Who else practices at this address →
Jefferson Parish includes primary care (18% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Medical school
- Louisiana State University School of Medicine in Shreveport (2011)
- Years since graduation
- 15
- In the NPI registry since
- 2011
- Medicare patients seen, 2024
- 540
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2011Medical school: Louisiana State University School of Medicine in Shreveport
- 2011Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Anesthesiology Physician primary
LA license MD.207582 - Student in an Organized Health Care Education/Training Program
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Lake Charles Memorial Hospital Lake Charles, LA
- Beauregard Memorial Hospital Deridder, LA
Medical groups
- Lcms Cardiovascular Diseases, LLC (35 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 540
- Services billed
- 624
- Patients’ average age
- 73
| Service | Times | Patients |
|---|---|---|
| Anesthesia for procedure on small and large bowel using an endoscope | 75 | 75 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 61 | 59 |
| Anesthesia for exam of colon using an endoscope | 58 | 58 |
| Anesthesia for other procedure on large bowel using an endoscope | 28 | 28 |
| Anesthesia for procedure for total knee joint replacement | 16 | 16 |
| Anesthesia for lens surgery | 13 | 12 |
| Anesthesia for other closed procedure on chest | 11 | 11 |
| Insertion of artery tube for blood sampling or infusion through skin | 11 | 11 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Payments from drug and device companies
In 2025, 1 companies reported 1 payments worth $15.68 in total to this clinician.
| Medtronic, Inc. | $15.68 |
|---|
| Food and Beverage | $15.68 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.