Meet the Doctors & Staff

All professionals at Hyde Park Pediatrics maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in the medical field. Read on to learn more about our staff's experience and training.

Pictured Below: (Back Row -left to right) Carla R., Becky V., Danielle C.,Trisha Y.,
(Middle Row- left to right) Margaret T., Kasey M., Destiney W., Jenn E., Sharon N.,
(Front): Veronica W.


Willie Ng, MD

Dr. Ng has been practicing at Hyde Park Pediatrics for 21 years. He graduated from medical school at the Federal University of Pernambuco in Brasil. He is formally trained in both General Pediatrics and Pediatric Cardiology. Dr Ng has a special interest in travel medicine and cardiology. He enjoys traveling, photography, and watching movies. Dr Ng is married and has 3 kids.


Evelyn Jones, MD

Dr. Jones has been with Hyde Park Pediatrics since 2009. Dr Jones completed medical school at Wright State University. Her residency was completed at Rainbow Babies Children's Hospital. Dr. Jones enjoys swimming, running, and spending time with her family.


Rita Davison, MD

Dr. Rita Davison has been practicing in the Cincinnati area since she completed the General Pediatrics Residency program at Cincinnati Children's Hospital Medical Center. She established her own practice which she ran for 15 years before joining our practice. Dr Davison attended medical school at The Ohio State University College of Medicine where she received her Doctor of Medicine degree. For her undergraduate studies, she attended Miami University in Oxford, Ohio. There, she double majored in Chemistry and Zoology and received both her Bachelors of Science degree in Zoology and her Bachelors of Arts degree in Chemistry. In her free time, Dr. Davison enjoys traveling with her family and enjoys caring for animals.


Kate Balkowiec, MD

Dr. Balkowiec has been with Hyde Park Pediatrics since 2014. Dr Balkowiec attended Warsaw University School of Medicine. She completed her residency training at the University of South Carolina. 


Kathy Sorger, MD

Dr. Sorger returned to Hyde Park Pediatrics in 2016. She has an interest in well child care, ADD/ADHD, and newborn care. In her free time she enjoys traveling and spending time with family.


Jennifer Ashton, CNP

Jennifer graduated from The Ohio State University in 2014 with her certification as a Nurse Practitioner and has worked with Hyde Park Pediatrics since that time. Prior to her graduate degree as a NP, she worked as a nursery nurse in well baby and NICU units for 10 years. Jennifer is also a certified lactation consultant and loves to ensure moms and babes are working well together in any situation. With 3 children of her own she brings compassion and knowledge, along with personal experience into the exam room. When not working, she enjoys reading, baking and chauffeuring to and from after school activities.


Lori Bryant, MD, FAAP

Dr Bryant completed medical school at Case Western Reserve University. She completed training in General Pediatrics at Texas Children's Hospital and the University of Minnesota. She went on for additional training in Pediatric Emergency Medicine at Children's Hospitals and Clinics of Minnesota. Dr Bryant has an interest in preventative medicine, child advocacy, injury prevention, and sports medicine. Dr Bryant is an avid sports fan. She especially loves college basketball. She is married with 2 children. In her free time she enjoys watching and playing sports, reading, and spending time with family.

As of 4/1/2018, Dr. Bryant is not accepting new patients. 


Gregg Kottyan, MD

Dr. Kottyan attended Duke University where he obtained his bachelor's degree in Biology and Chemistry. He then moved to Cincinnati for good, attending the University of Cincinnati College of Medicine for his medical degree before completing a Pediatric residency and Sports Medicine fellowship at Cincinnati Children's Hospital. He has a special interest in sports injuries, obesity management and adolescent health. In addition to routine pediatric primary care, Dr. Kottyan can manage most non-surgical orthopedic problems including sprains, strains, fractures, concussions and chronic injuries or pain. In his spare time, Dr. Kottyan enjoys woodworking, playing the piano, attending sporting events and spending time with his two children.


Lactation Consultant

Bethany Hanser, IBCLC, ICCE

International Board Certified Lactation Consultant


Child Therapist

Henry Ludwig, I.P.C.C., B.C.P.C.

APA Board Certified
Clinical Diplomat International Academy of Behavioral Medicine



Randa Menkhaus, RN, BSN, BA, Practice Manager