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.

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.

Victoria Hase, PA-C

Victoria Hase is a Physician Assistant who graduated from Mount Saint Joseph’s Physician Assistant Program in 2020.  She is board certified and started working in pulmonary critical care after graduation. Her experience in critical care at a long term acute care hospital established Victoria’s desire to prevent chronic illnesses that contribute to patients becoming acutely ill.  She received her Bachelor’s degree in Biology at the University of the Cumberlands in Williamsburg, KY in 2016.  Victoria has spent time as a volunteer in the Kettering Hospital ER as well as an STNA in both Ohio and Kentucky.  She is an active member of the Ohio Association of Physician Assistants and the American Association of Physician Assistants. She spent time throughout PA school volunteering at health fairs.  She has recently gotten married and is enjoying spending her free time with her husband.  They both enjoy the outdoors, hiking at various parks as well as spending time with both of their families.

Emily Lein, PharmD

Dr. Emily Lein currently serves as the Post-Graduate Year 1 (PGY-1) Pharmacy resident for 2021-2022. Dr. Lein received her Bachelor of Science in Pharmaceutical Sciences degree at The Ohio State University and then continued to receive her PharmD at OSU. Throughout pharmacy school she worked as a pharmacy intern in the Outpatient Pharmacy at Nationwide Children’s Hospital in Columbus. Through this experience, she fell in love with ambulatory care and transitions of care services. She chose to join our team to grow her knowledge in chronic disease management and to help bridge the gap between hospital stay and primary care provider services.

After her residency she hopes to complete a Post-Graduate Year 2 (PGY-2) in Ambulatory Care and continue to serve all patient populations through comprehensive management of chronic disease states. Dr. Lein met her boyfriend at The Ohio State University Wexner Medical Center where he is a Physical Therapist. They love exploring new cities, trying different cuisines and cooking at home. They love spending time with their family, friends, dog (Tucker) and cat (Milo). Dr. Lein enjoys meeting new people and taking cycling classes. In the coming years she hopes to travel to Athens, Greece and Florence, Italy.

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.


Alexandra Tran, PA-C

Alexandra Tran is a Physician Assistant certified by the NCCPA (Nation Commission on Certification of Physician Assistant) that will be joining our practice in December 2021. She was originally from Oklahoma, and received her Bachelors of Science from Oklahoma City University in 2012. After graduation, she started to work as a medical assistant in a Family Medicine Clinic in Oklahoma City. This is where Alex found her passion to pursue her education and career as a Physician Assistant. She graduated from Mount St. Joseph University in Cincinnati, OH, with Masters of Physician Assistant Studies in 2020. Following graduation, she worked at COVID-19 testing center and then proceeded to work in Gastroenterology. Through these experiences, she learned that education and understanding is the best way to help her patients with disease preventions. Alex is married to her husband Quang, and has two amazing young children and two dogs. She enjoys exploring new locations, participating in outdoor activities and sports, visiting home during the holidays, and spending time with her little family.