Dr. John M. Evans, M.D.
Cardiothoracic Surgery (Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician)
- Medicare participating
At a glance
- Medical school
- Louisiana State University School of Medicine in New Orleans (2011)
- Years since graduation
- 15
- In the NPI registry since
- 2011
- Medicare patients seen, 2024
- 126
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 New Orleans
- 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
-
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician primary
LA license 312414 - 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
- Christus Shreveport-Bossier Health System Shreveport, LA
Medical groups
- Christus Trinity Clinic Texas (1,540 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
- 126
- Services billed
- 281
- Patients’ average age
- 74
| Service | Times | Patients |
|---|---|---|
| New patient office or other outpatient visit, 45-59 minutes | 51 | 51 |
| New patient office or other outpatient visit, 60-74 minutes | 42 | 42 |
| Coronary artery bypass using artery graft, 1 graft | 31 | 31 |
| Harvest of vein using an endoscope | 30 | 30 |
| Exclusion of appendage of left upper chamber of heart performed during other procedure on chest | 24 | 24 |
| Replacement of aortic valve through the skin and femoral artery | 19 | 19 |
| Coronary artery bypass using vein or artery graft, 1 graft | 18 | 18 |
| Coronary artery bypass using vein or artery graft, 2 grafts | 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, 4 companies reported 20 payments worth $623 in total to this clinician.
| Atricure, Inc. | $369 |
|---|---|
| Ethicon US, LLC | $156 |
| Abiomed | $79.98 |
| Merck Sharp & Dohme LLC | $18.40 |
| Food and Beverage | $623 |
|---|
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.