Dr. Callahan has treated me ever since he has been in Sebring, FL for Osteroarthris in my left knee and now in my right knee. I had a series of Supartz shots weekly for five weeks in my left knee and now walk with no pain in that knee. I just finished my last of five shots to my right knee and am hopeful that this will be as helpful as the first series was to my left knee. I have found few doctors as "humble and caring" as Dr. Callahan. Most surgeons seem to have a "god-complex" but this is not the case with this doctor, even though he studied at Yale he remains caring and thoroug. I am aware of his practice while in Tampa, FL and know him as a "doctor's doctor".
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