Meet Our Team

At Tucson Wellness, our approach to wellness, longevity, and healing is evolutionary.

At Tucson Wellness, our approach to wellness, longevity, and healing is evolutionary.

We are dedicated professionals that are passionate about one thing: helping you LIVE BETTER.


Dr. Michael Probstfeld is certified by The American Board of Surgery. He is governor of the Arizona Chapter of the American College of Surgeons and served as Chief of Staff at Tucson Medical Center from 2012-2014. His other active memberships include the American Medical Association, Tucson Surgical Society, the American Society of General Surgeons, the Society for Surgery of the Alimentary Tract, the Arizona Medical Association and the Pima County Medical Society.

Rob Tatum’s global travel focused on researching a diverse population and applying the best nutritional holistic and innovative treatment to accommodate individuals with different genetics. His post Graduate work (Evolution and Biology), spans various regions of the globe.

“Living tired, unenthusiastic and in pain is not normal, and it certainly isn’t healthy” Rob


Anna Shaffer, FNP, was born in Russia and immigrated to Tucson, Arizona when she was 7 years old. She has been a Registered Nurse for over 10 years and a Family Nurse Practitioner for 6 years. She worked as a Registered Nurse at St. Joseph’s hospital on the outpatient surgery unit and spent 5 years working in urgent care as a Nurse Practitioner. Anna specializes in aesthetics and looks forward to bringing natural beauty enhancement & services to Tucson Wellness MD. She also completed the Integrative Health and Lifestyle program through the Andrew Weil Center for Integrative Medicine and is a big proponent of overall health and wellness.


Dr. Dan Kellams earned his Master Degree in Acupuncture and Oriental Medicine in 2009 and completed his Doctorate in Acupuncture and Chinese Medicine. His doctoral work was focused on integrative medicine. Dan has been involved in integrative, restorative and functional medicine for over a decade. He enjoys both being a clinician, an avid researcher and an educator in whole health strategies.

Brittany Gee, MS

Brittany Gee joined the Tucson Wellness MD team in 2019 as the Wellness Director and Nutritionist. She holds a Bachelor’s degree from The University of Arizona in Nutritional Sciences & Sports Management as well as a Master’s Degree in Medical Nutrition from Arizona State University. She also has certifications through American Council on Exercise including ACE Certified Personal Trainer, Senior Fitness Specialist, and Fitness Nutrition Specialist. Brittany has extensive consulting experience, creating individualized programs that fit client’s needs, whether their goals be weight loss, longevity, pain recovery, hormone therapy, or simply feeling and living better. Brittany sees thousands of clients at Tucson Wellness MD, each with individualized symptoms, and addresses them all through unique, customized nutrition and therapeutic plans.

*Our team at Tucson Wellness is highly skilled, professional and caring. We have over 100 years of medical experience and are truly dedicated to your health and wellness. Our diverse team merges functional, holistic and modern medical techniques to provide the best care. We are constantly evolving as health and wellness experts and would love to meet you and discover your needs so we can help you  Live Better.


Information on this web site is provided for informational purposes only. The information is a result of years of practice experience by the author. This information is not intended as a substitute for the advice provided by your physician or other healthcare professional or any information contained on or in any product label or packaging. Do not use the information on this web site for diagnosing or treating a health problem or disease, or prescribing medication or other treatment. Always speak with your physician or other healthcare professional before taking any medication or nutritional, herbal or homeopathic supplement, or using any treatment for a health problem. If you have or suspect that you have a medical problem, contact your health care provider promptly. Do not disregard professional medical advice or delay in seeking professional advice because of something you have read on this web site. Information provided on this web site and the use of any products or services purchased from our web site by you DOES NOT create a doctor-patient relationship between you and any of the physicians affiliated with our web site. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease.