Practice Management Services We are a physician-owned company who understands the needs of fellow physicians who are starting their own Private Practice. We are also able to help those who have been in Private Practice and are looking for a positive change in managing their billing and collections. We Handle All of Your Back Office Needs Practicing medicine is your business; don't let the back office intricacies for your practice hold you back from doing what you do well. Nucleus Healthcare Group is the company that you want handling all of your back office needs.