Western Medicine Providers

Jacob T. Dean, M.D.

Dr. Dean is a Board Certified Family Physician serving the Clark & Greene county areas. He was raised on a small farm in Wilmington and has lived in Ohio all of his life. Dr. Dean received his Bachelor of Science degree in Biology in 1996 from Wright State University and subsequently graduated from the University of Cincinnati College of Medicine in June of 2000. He completed his Family Medicine Residency in his hometown of Wilmington, Ohio at Clinton Memorial Hospital in June of 2003. He moved to Enon, Ohio in September 2003 and established his family practice, Western Medicine, Inc. In addition to providing comprehensive medical care services for his patients, Dr. Dean developed an interest in acupuncture, completing both phase I and phase II of a comprehensive training course in November 2007 at the Academy of Pain Research in California. He currently practices Neuro-Acupuncture which offers a less chemically oriented approach to the healing of pain including migraine headaches, neuropathies, numbness and tingling. Acupuncture is also a great way to help patients stop smoking. Dr. Dean is an active member of the American Academy of Family Physicians and the Ohio State Medical Association (OSMA). Dr. Dean married his wife, Eileen in 2002. They have three boys, Aden, Ethan and Ian. Besides spending time with his family, Dr. Dean is an outdoors enthusiast enjoying fishing, boating and hunting.

Jennifer M. Dyer, CNP

Jennifer was born and raised in California.   She graduated from Chico State University with her Bachelors in Nursing in 2003.   Jennifer worked as a Registered Nurse on a medical/surgical and oncology floor, telemetry floor, and in home health.   She was inspired to further her career and education after participating in a medical mission to Honduras.   Jennifer received her Master’s in Nursing and a subspecialty in Neuropsychology from the University of California, Los Angeles in 2009 to become a Family Nurse Practitioner.   She met her husband in California and after his job contracted ended they decided to relocate back to his hometown in Ohio to raise their children.   She is nationally certified through the American Academy of Nurse Practitioners and a member of the Ohio Association of Nurse Practitioners.    Jennifer believes it is very important to listen to her patients and help them be more active in their health and disease prevention. Outside of work she enjoys being outside, spending time with family, swimming, walking their dogs, reading, and giving back to the community.   

Aaron T. Groth, M.D.


Dr. Groth is a board certified physician in family medicine. He was born and raised in Unionville, Michigan, a small rural community. He attended Wittenberg University where he completed an undergraduate major in chemistry and minor in biology. Dr. Groth received his medical degree from the Ohio State University College of Medicine in June of 2003. He then successfully completed his accredited three-year residency at the Miami Valley Hospital in Dayton, Ohio. He joined Western Medicine, Inc. in the fall of 2006. Dr. Groth’s goal is to provide continuing and comprehensive health care for both individuals and families alike. In addition to providing care for acute and chronic conditions, Dr. Groth also emphasizes health maintenance and disease prevention. Over the past five years, Dr. Groth has become attached to the communities of Enon, Fairborn and Springfield while building a diverse patient base ranging from infants to the elderly. He is an active member of the American Academy of Family Physicians as well as the Ohio State Medical Association and the Ohio Academy of Family Physicians. Dr. Groth is happily married to his wife Jennifer since 2004. They have three young children, Abigail, Caden & Emery. Dr. Groth is a resident of Clark County. He loves spending time with his family. His personal interests include photography, bicycling, golfing and downhill skiing, although nothing beats a vacation relaxing on the beach by the ocean.

Melody Hartzler, PharmD, BCACP, BC-ADM


Dr. Hartzler serves as a clinical pharmacist at Western Medicine. She graduated from Ohio Northern University Raabe College of Pharmacy in 2009.  She completed a pharmacy practice residency with emphasis in ambulatory care at the Chalmers P. Wylie VA Ambulatory Care Center in Columbus, Ohio. Following residency training, she took a full time faculty position at Cedarville University School of Pharmacy and started a clinical practice in family medicine at the Victor J. Cassano Health Center where she practiced for 6 years.  She currently maintains a part-time position with Cedarville University School of Pharmacy and continues to teach the endocrine module.  

She specializes in diabetes management, and is a nationally recognized speaker on diabetes.  Her clinical practice also includes focusing on management of other chronic disease states such as hypertension, asthma, and COPD. She is currently a board certified asthma educator (AE-C), Board Certified Ambulatory Care Pharmacy Specialist (BCACP), and is Board Certified in Advanced Diabetes Management (BC-ADM). Most recently she has developed a passion for functional medicine and treating the underlying causes of disease.  She also currently serves as a board member for the Ohio Pharmacist Association and is active in both the American Society of Health-System Pharmacists (ASHP) & American College of Clinical Pharmacy (ACCP). She married her husband Dustin in 2007, and they currently have two children. As a family they love traveling and exploring God’s amazing creation.  Since she is passionate about how food can be medicine, she is also has a blog called PharmToTable.life

Perry C. Kuhn, PA-C

Perry is a certified Physician Assistant.  He was born in Springfield and considers himself from the Miami Valley although he spent most of his teenage years living in Asia.  Perry earned his undergraduate degree from Cedarville University in 2004.  He majored in psychology with additional concentration in biology and chemistry.  Prior to becoming a Physician Assistant, his experience ranged from working with children, caring for seniors, and teaching college courses.  He spent 3 years as a foreign language instructor at the Beijing Institute of Technology in China, and has been an adjunct instructor at a local university.  Perry employs his experience from working as an educator to inform and encourage patients regarding acute/chronic conditions and preventive care.  Perry is a graduate of the Kettering College of Physician Assistant program.  Upon entering Kettering College his goal was to become a primary care provider and he is excited to be part of Western Medicine’s health care team. Perry is an active member of the American Academy of Physician Assistants and also The Ohio Association of Physician Assistants. Perry has a sweet tooth and is known to make a fairly impressive salted caramel chocolate cupcake.  It is likely both of these facts are overshadowed by his enjoyment of outdoor activities like playing soccer, hiking, camping, and water skiing.  Perry and his wife Julie have been married since 2010 and they enjoy being a fantastic aunt and uncle to their nieces and nephews.

Trent Nourse, PA-C

Trent is a Physician Assistant certified by the NCCPA (National Commission on Certification of Physician Assistants).  He was born in Springfield, Ohio  and is thankful to serve in the community that he loves. Trent received his bachelors degree in Biology and a minor in chemistry from Anderson University in 1996.  He received his Physician Assistant degree from Kettering College of Medical Arts in 1999 and his Masters in Physician Assistant Studies (MPAS) from Nebraska University in 2004.  He then came back to Springfield to begin family practice in 1999.  He has served this community for the last 18 years and strives to care for each person with the respect and excellence they deserve.  He is an active member of the Ohio Association of Physician Assistants.   His greatest passions revolve around his family which include horses, basketball, and being in God’s great outdoors together.   Trent has been married for almost 23 years to his best friend Julie and has a daughter Audrey and a son Jaden.   Trent is thankful for the gifts and abilities God has given him and he strives towards care that reflects a genuine love for people.

Shelli Ridge, D.O.


Dr. Ridge graduated from Wright State University in 2007 Cum Laude with a Bachelors of Science degree. She attended medical school at Ohio University College of Osteopathic Medicine in Athens, Ohio, followed by a three-year Family Medicine residency in Sandusky, Ohio. She and her husband then moved back home to Dayton to settle roots. She highly enjoys Family Medicine and its nature of developing close relationships with patients. She also integrates cosmetic medicine into her practice, as this has been a long-time interest of hers. Dr. Ridge and her husband of 10 years live in Springboro with their two young children.

Sarah Rodewald, CNP


Sarah graduated with her BSN from Wright State University and worked for six years as a registered nurse at Miami Valley Hospital on the acute care pulmonary unit.  During this time she realized her real passion was to work with patients to keep them out of the hospital and living to their fullest level of wellness.  Sarah received her Masters degree from Cedarville University to become a family nurse practitioner.  She is nationally certified through the American Association of Nurse Practitioners and is also a member of the Ohio Association of Advanced Practice Nurses.  Her education is continuing as she is working towards certification from The Institute for Functional Medicine which promotes natural medicine through targeting the root cause of diseases and creating personalized healthcare goals and treatments.  Sarah married her husband Josh in 2011 and have two sons.  In their spare time they like to garden, do their own DIY home repairs, and most of all traveling and experiencing different cultures. They would say their favorite trip so far was going to three French Polynesian islands for their honeymoon.

Samantha A. Yates, PharmD

Dr. Yates serves as the pharmacy resident at Western Medicine. She graduated from Cedarville University School of Pharmacy in 2018 with high distinction. She is completing this pharmacy residency with the goal to work in a similar practice setting in the Central Ohio area near where she was raised. Dr. Yates and her husband married in 2015 and he is currently attending Ohio University College of Osteopathic Medicine to become a doctor with hopes of completing a Family Medicine residency.