Hello. From my experiences since discovering my osteoporosis, and learning what the treatments do, I feel that the endocrinologist would be the best type of doctor to be treating it, since the hormones are the main players in what goes on in the bones. I was a nurse for decades, but none of the areas in which I worked involved required an in-depth knowledge of parathyroid hormones and how they effect bone. Now that I am the patient, I have had to learn, and it is complicated stuff, indeed, and I think that endocrinology covers it best. Of course, there may be ortho or rheumatologists that are knowledgeable, and endo doctors that may not stay current, but the odds are in your favor, I think , with endocrine. I first had one that just didn't communicate well; now I have a true gem, and trust her implicitly. I hope you do, too!