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Dr. John Carl Ferrell, MD is a pain medicine specialist in Sherman, TX specializing in pain medicine.
He has a state license in Texas.
Licensed In: Texas
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These charts describe general payments received by Dr. John Carl Ferrell, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.
| INSYS Therapeutics Inc |
$2,865
SUBSYS $2,865 |
|
|---|---|---|
| Teva Pharmaceuticals USA, Inc. |
$41
Zecuity $31 |
NUVIGIL $10 |
| Janssen Biotech, Inc. |
$16
OLYSIO $16 |
| Food and Beverage | $2,922 |
|---|
Dr. John Ferrell is a pain medicine specialist in Sherman, TX. Dr. Ferrell has obtained a license to practice in Texas.