Ryan F. Porter, MD

Dr. O’Mahar is a board-certified oncologist. She obtained her undergraduate degree from Stanford University and earned her medical degree from the Washington University School of Medicine in St. Louis. She completed her internship at Barnes-Jewish Hospital in St. Louis and her fellowship at the University of Wisconsin - Madison. Her area of expertise is the treatment of multiple myeloma, myelodysplastic syndromes, monoclonal gammopathy, melanoma and acute and chronic leukemia. In her free time, Dr. O’Mahar enjoys baking and writing sort stories and poetry.

Alfredo Mendoza is a board certified physician in pediatrics. He obtained his undergraduate degree from the University of South Dakota in Vermillion, SD and earned his medical degree from the University of the East-Manilla, Philippines. He completed his internship and residency at the Children's Hospital of Wisconsin-Milwaukee. Mendoza's practice is focused on asthma management, adolescent care, and general pediatrics. Dr. Mendoza is board certified by the American Board of Pediatrics. He is a member of the American Academy of Pediatrics. In his free time, Dr. Mendoza enjoys family activities, church, travel, and golf.

Divya Sharma is a board certified family medicine physician. She earned her medical degree from Sardar Patel Medical College - Rajasthan University in Rajasthan, India. She completed her internship and residency at St. Catherine's Hospital in Kenosha, WI. Sharma's practice is focused on providing general care for individuals and families. She has a specific interest in minor surgical procedures. Dr. Sharma is board certified by the American Board of Family Medicine. She is a member of the American Academy of Family Physicians.