The Health Center at Touro University Nevada is a multi-disciplinary medical facility located in Henderson. We strive to provide our patients with high quality health care services and health education. Our current services include primary care, osteopathic manipulative medicine, geriatrics and rheumatology. The clinic is also dedicated to serving as a resource for medical education to prepare future physicians, physician assistants, and nurse practitioners. Our patients enjoy and benefit from the extra time and care they receive through these learning opportunities.
The mission of the Health Center at Touro University Nevada is to provide quality patient care in a compassionate, timely, and confidential manner, emphasizing holistic osteopathic principles, preventative health care, patient education, and shared decision making.
Meet our team of multi-disciplinary professionals including physicians, nurse practitioners, and physician assistants who provide high quality health services to patients. We recognize that our Health Center is only as good as its providers. Each of our providers is board-certified in their fields, with extensive experience within their medical specialties. Our 16 providers are highly qualified, experienced leaders in medicine and patient care who are training the physicians of the future.
The Health Center staff is ready to facilitate your care and answer questions on insurance, billing, and appointments.
Bradley Havins, MD, FAAFP – Primary Care
Dr. Havins is a graduate of the University of Nevada, Reno where he received a BS in Biology. He then went on to graduate from Wake Forest School of Medicine, and also received the Health Professional Scholarship Program through the U.S. Army. Dr. Havins trained in Family Medicine at Fort Belvoir Community Hospital in northern Virginia. He then served in various duty stations such as Fort Campbell, KY, Camp Buehring in Kuwait, and Fort Meade, MD. He has worked as a hospitalist, primary care physician, and clinic medical director. Additionally, Dr. Havins has been on the adjunct faculty for the U.S. Army PA Program, the Walter Reed National Military Medical Center Transition Year program, and the Uniformed Services University Doctorate of Nursing program. After serving seven years in the Army, Dr. Havins returned to his hometown of Las Vegas and joined the faculty at Touro.
Madiha Khan, MD – Primary Care
Dr. Khan grew up in Springfield, Ohio. She played tennis in high school before heading to the University of Akron and Northeast Ohio Medical University for their dual BS/MD program. During this time, she discovered her love of running. She had the opportunity to run the Cleveland Half Marathon before and after starting medical school. She completed residency in Family Medicine at Wright State University in Dayton, OH. She moved to her husband’s hometown of Las Vegas after completing her training. She looks forward to establishing a relationship with the community while sharing her experiences.
Matthew L. Martin, DO – Primary Care
Dr. Martin is a native of Las Vegas, Nevada. He received his osteopathic medical degree from Kansas City University of Medicine and Biosciences. He returned to his home to complete his internship and residency in Family Medicine at Valley Hospital Medical Center. He is board eligible in family medicine and is a member of both the American Osteopathic Association and the American College of Osteopathic Family Physicians. He joined Touro University Nevada in 2011 as an Assistant Professor and is a practicing primary care physician at the Health Center at Touro. Dr. Martin enjoys teaching medical students as well as his patients. He is fluent in Spanish and English. Dr. Martin also holds a private pilot license.
Sharon McKenna, DO – Primary Care
Dr. Sharon A. Mckenna is a Family Medicine Specialist in Henderson, Nevada. She graduated with honors from Lake Erie College of Osteopathic Medicine in 2004. She has more than 15 years of diverse experiences, especially in Family Medicine. She completed her Family Medicine residency at Saint Vincent Medical Center at Erie, PA. Dr. McKenna has previously worked at West Ridge Family Practice, St Mary’s Home of Erie-East as the Assistant Medical Director, BayCare Medical Group in Tampa, FL, and South Point Family Practice in Belmont, North Carolina. In her free time, Dr. McKenna enjoys spending time with her family, traveling, and hiking.
Kelly Mecham, DNP, MSN, APRN, FNP-BC – Primary Care
Raised in Idaho, Kelly Mecham moved to the Las Vegas community in 1986. She completed her Bachelors of Science in Nursing at Point Loma Nazarene University in San Diego, completed her Masters of Science in Nursing (Family Nurse Practitioner) at the University of Nevada, Las Vegas, and completed her Doctorate of Nursing Practice at Samuel Merritt University in Oakland, California. As a Family Nurse Practitioner, Kelly has provided care to patients across the lifespan. She is married to Weldon (Don) Havins, MD, JD, and enjoys spending time with her family and grand-children.
Kimberly McGinn, DO – OMM
Dr. McGinn originally came from New York, born and raised in Queens. She attended St. Joseph’s College, Brooklyn, New York graduating with a BS with double major in Biology and Chemistry. She then attended University College Dublin in Dublin, Ireland for a pre-med year as part the Atlantic Bridge Student Exchange Program and completed her degree at New York College of Osteopathic Medicine/New York Institute of Technology in 1997. She did an Osteopathic rotating internship at NYCOM/Long Beach Medical Center and completed her family practice residency at St. John’s Episcopal Hospital, Osteopathic Program in 2000 while serving as Chief Resident from 7/1/1999 – 6/30/2000. Dr. McGinn is board certified in family practice and Osteopathic Manipulation Treatment (OMT).
Paul R. Rennie, DO – OMM
Dr. Rennis graduated in 1987 from Des Moines University in Des Moines, Iowa. Dr. Rennie is board certified with the American Osteopathic Board of Neuromusculoskeletal Medicine and the American Osteopathic Board of Family Physicians. He is also a diplomat in the American Academy of Pain Management. He is a fellow of the American Academy of Osteopathy. He is professor and chairman of the department of osteopathic manipulative medicine at Touro University Nevada. He has served as a clinical associate professor and assistant professor in the department of osteopathic manipulative medicine at Michigan State University College of Osteopathic Medicine, and as (title) in the department of medical education in the Center for Osteopathic Neuromusculoskeletal Medicine at Mount Clemens General Hospital. Dr. Rennie has worked with the National Board of Osteopathic Medical Examiners on various committees for the past twelve years. He serves on the Publications Committee of the American Academy of Osteopathy. He is a board member of the American Osteopathic Board of Neuromusculoskeletal Medicine.
Robert M. Baker, DO – OMM
Dr. Baker graduated from Ohio University Heritage College of Osteopathic Medicine in 2010. He then completed a three year residency in 2013 in Neuromusculoskeletal Medicine and Osteopathic Manipulative Medicine at Saint Barnabas Hospital in Bronx, New York. During residency, Dr. Baker had the opportunity to teach medical students at the New York Institute of Technology’s College of Osteopathic Medicine where he found his desire and passion to teach osteopathic manipulation. He joined Touro University Nevada in July, 2013 as an assistant professor in the osteopathic manipulative medicine (OMM) department.
Wesley C. Lockhart, DO – OMM
Dr. Lockhart graduated from the West Virginia School of Osteopathic Medicine in Lewisburg, WV and completed his first post-graduate year in Hollywood, FL. He then completed an Emergency Medicine residency in York, PA and subsequently became certified by the American Board of Osteopathic Emergency Physicians. After almost 10 years of practice in the Tallahassee, FL area, Dr. Lockhart moved to East Lansing, MI and completed a Neuromusculoskeletal Medicine/Osteopathic Manipulative Medicine (NMM/OMM) residency associated with Michigan State University College of Osteopathic Medicine where he subsequently taught for several years and remains a Clinical Assistant Professor. He became board certified in NMM/OMM while in Michigan and enjoyed a private practice, while also working in Emergency Medicine until accepting an assistant professor faculty position in the Department of Osteopathic Manipulative Medicine at Touro.
Aurelio Muyot, MD – Geriatrics
Dr. Muyot is a graduate of the University of the Philippines College of Medicine. He completed his Internal Medicine residency and Geriatric Medicine fellowship at the University of Illinois-Chicago. This was followed by an additional year of Geriatrics fellowship at the University of Tennessee-Memphis. After fellowship, he worked as a primary care physician in Ripley, Mississippi for five years. Dr. Muyot then relocated to Las Vegas in 2001 to focus on Geriatrics, and served as chief of the Geriatrics clinic at Southwest Medical Associates. With the establishment of the Geriatrics and Extended Care services at the Veterans Administration (VA) in 2003, he then joined the VA and helped expand the Geriatrics clinics and extended care services, and revitalize the Palliative Care program. His interest in palliative care and hospice led him to accept a position as medical director for Infinity Hospice Care and Nevada Palliative Care in 2012. Dr. Muyot joined Touro University Nevada College of Osteopathic Medicine in April 2014. He is board certified in internal medicine, geriatrics, and hospice and palliative medicine. He is a fellow of the American College of Physicians and the American Geriatrics Society, and is a member of the American Academy of Hospice and Palliative Medicine. His clinical interests include memory disorders, falls, transitions of care, and palliative care.
Julie Zacharias, DO – Geriatrics
Dr. Zacharias received her DO degree from the Texas College of Osteopathic Medicine in 2007. She completed an accredited family medicine residency program in 2010 at Pitt County Memorial Hospital, which is affiliated with East Carolina University, during which she was a chief resident of family medicine. She completed an additional one year fellowship in Geriatrics and was selected as an American Medical Directors Association Future Foundations participant. Dr. Zacharias moved to Nevada in 2011 to join Touro University Nevada College of Osteopathic Medicine as an Assistant Professor in the Primary Care Department. Board certified by the American Board of Family Medicine and board certified for Geriatrics, Dr. Zacharias is a member of the American Academy of Family Physicians and American Geriatric Society. Her geriatric interests include memory disorders, goals of care for the elderly, and falls prevention.
Kenneth Grant, MD – Rheumatology
Dr. Grant is Board Certified in Rheumatology and Internal Medicine and is a Fellow of the American College of Physicians and the American College of Rheumatology. He graduated from Colgate University and Georgetown University School of Medicine. He completed his internal medicine internship and residency in Washington D.C. at DC General Hospital and the VA Medical Center. His rheumatology sub-specialty training was completed at the University of Cincinnati. He was an Associate Professor and Assistant Program Director for the Georgetown University Internal Medicine residency at DC General Hospital for 19 years. He received the hospital’s Doctor of the Year Award. In 2001 he came to Las Vegas and was a professor of medicine at the University of Nevada School of Medicine until 2009 when he came to Touro University Nevada. Although he does not practice law, Dr. Grant also graduated from the Georgetown University Law Center in 1990.
Scott Harris, DO – Rheumatology
Dr. Harris graduated from the College of Osteopathic Medicine of the Pacific in 1990. He completed his internal medicine internship and residency at the UCLA San Fernando Valley program and then later completed a fellowship there in rheumatology. He is board certified in internal medicine and rheumatology. After completion of his fellowship he moved to Las Vegas where he taught internal medicine and rheumatology as full-time clinical faculty for the University of Nevada, Reno Internal Medicine Residency at UMC Hospital. He was in private practice rheumatology for 12 years where he trained medical students and residents in his office. He joined the faculty of Touro University Nevada College of Osteopathic Medicine in 2007. His awards include Fellow of the Year, UCLA – San Fernando Valley program and COMPSEA Clinical Facilitator of the Year at the College of Osteopathic Medicine of the Pacific. Areas of clinical interest include systemic lupus erythematosus, vasculitis and rheumatoid arthritis.
Dana Shepherd, PA-C - Rheumatology
Dana was born in Quebec and raised in Calgary, Alberta, Canada. After graduating high school, she attended Brigham Young University Idaho in Rexburg, and University of Utah in Salt Lake City. She met her husband Mike while attending university, and they married and moved to Henderson. After raising 2 amazing children, son Zack and daughter Maddy, Dana was excited to fulfill a life-long goal of completing her education. She graduated in 2015 from Brigham Young University Idaho with a Bachelor of Health Science with a Public Health emphasis. She was then accepted to Touro University Nevada, and graduated in 2019 with a Master in Physician Assistant Studies.
Robert Wimmer, PHD, PA-C - Rheumatology
Robert Wimmer graduated from Touro University Nevada with a Masters in Physician Assistant studies in 2017. Prior to his Physician Assistant training, he obtained his PhD in Biochemistry from the University of Maryland in 2014. Robert's doctoral research focused on pathways to stop the degeneration of skeletal muscle, which is especially important as we age. His research was published in two peer-reviewed scientific journals. Robert also completed a B.S. in Mechanical Engineering from Villanova University, and spent 10 years working to engineer instrumentation and control systems for industrial production plants. Robert's primary role is as a Physician Assistant in our Health Centers Rheumatology clinic. His early interest in Rheumatology derives from his personal experience with Rheumatoid Arthritis, as his paternal grandmother was diagnosed early in her life. Robert enjoys being active with his family and friends, including his wife and three kids.