Dr. John M. Craig, MD
Cardiothoracic Surgery (Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician)
- Medicare participating
At a glance
- Medical school
- University of Tennessee, Hsc, College of Medicine (2002)
- Years since graduation
- 24
- In the NPI registry since
- 2007
- Medicare patients seen, 2024
- 178
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. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is
Education and training
- 2002Medical school: University of Tennessee, Hsc, College of Medicine
- 2007Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier
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
TN license 43208 -
Surgery Physician
TN license 43208 -
Vascular Surgery Physician
TN license 43208
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Memorial Healthcare System, Inc Chattanooga, TN
- Affiliate of Vitruvian Health Cleveland, TN
Medical groups
- Memorial Health Care System Inc. (56 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
- 178
- Services billed
- 551
- Patients’ average age
- 74
| Service | Times | Patients |
|---|---|---|
| New patient office or other outpatient visit, 60-74 minutes | 65 | 65 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 50 | 19 |
| Established patient office or other outpatient visit, 40-54 minutes | 38 | 33 |
| Replacement of aortic valve through the skin and femoral artery | 26 | 26 |
| Harvest of vein using an endoscope | 26 | 26 |
| Coronary artery bypass using artery graft, 1 graft | 24 | 24 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 22 | 22 |
| Coronary artery bypass using artery graft, 2 grafts | 13 | 13 |
| Harvest of arm artery segment for heart byplass procedure | 13 | 13 |
| Repair of congenital defect between upper heart chambers on heart-lung machine | 12 | 12 |
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.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Furosemide Other prescribers in Chattanooga, TN | 11 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 5 companies reported 30 payments worth $608 in total to this clinician.
| Edwards Lifesciences Corporation | $370 |
|---|---|
| Atricure, Inc. | $108 |
| Solventum Corporation | $50.40 |
| Abbott Laboratories | $47.21 |
| Artivion, Inc. | $32.90 |
| Food and Beverage | $608 |
|---|
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.