I Have Had 2 Blood Clots In The Past 2

I have had 2 blood clots in the past 2 years. One large one on my portal vein now one that is small clusters to the left near the vein that delivers blood to my heart. I am
On Coumadin and have done well. They took me off Coumadin for one week anticipating TMJ surgery and that is when that second one occurred
I have a very good internist but my family feels I should go somewhere like Shands to see an endocrinologist
What to you think