Dr. Lonnie R. Empey
Internal Medicine (Board Certified)
Medical Director

Dr. Empey is a native of Southern Nevada and completed high school in Las Vegas.  Dr. Empey is an Associate Clinical Professor for the University of Nevada School of Medicine. Dr. Empey completed his undergraduate studies at the University of Alberta, Edmonton, Alberta, Canada and his medical training at Western University of Health Sciences College of Osteopathic Medicine, California.  Dr. Empey completed his residency training in Internal Medicine at Fitzsimons Army Medical Center in Denver and Tripler Army Medical Center in Honolulu Hawaii in 1997. He was the Chief of Cardiopulmonary services and Chief of Endoscopy at Ireland Army Hospital at Fort Knox Kentucky.

Dr. Paul Havens
Family Practice (Board Certified)
Clinical Director Moapa Valley Clinic

Dr. Havens graduated from the University of Minnesota School Of Medicine, June 1978.  He completed his Internship and Residency in Family Practice at Hennepin County Medical Center.  Dr. Havens has served as Medical Director at Pioneer Memorial Care Center and worked in the Sather Family Practice Clinic and Dakota Clinic in Fosston Minnesota. In July of 1997 he moved to Mesquite Nevada to work for Arcon Center for Health Care.  After the closing of Arcon he moved to Lovelock Nevada to work with Perishing General Hospital.  Dr. Havens returned to Mesquite in April of 2003 and joined Mesquite Medical Associates as the Family Practice Physician and clinical director of the Moapa Valley Office.

Dr. Leo F. Black Jr.
Doctor of Chiropractic Medicine
Program Director of Integrated Healthcare

Dr. Black is a Chiropractor who specializes in Integrated Healthcare, including nutritional and musculoskeletal disorders.  He served in the United States Navy and then did his undergraduate studies in Arizona and graduated from Western State College of Chiropractic in Portland Oregon.  He has also done extensive postgraduate study in Acupuncture, Nutrition and Natural Health and is certified enzyme Nutritionist. He provides primary care and workers compensation evaluations.  Dr. Black has been with MMA since July of 2002.