Get To Know Our Providers

Dr. Lindsey Ma

Dr. Lindsey Ma has dedicated over 20 years of service to the Peoria community.


He earned his Bachelors of Science degree in biology from the University of Illinois Champaign-Urbana and his Doctor of Medicine degree from the University of Illinois College of Medicine at Peoria.

He performed his residency in Obstetrics and Gynecology at OSF St. Francis Medical Center in Peoria, Illinois. In 1996, he became Board Certified in Obstetrics and Gynecology. Dr. Ma is a Diplomat and a Fellow of the American Board of Obstetrics and Gynecology. He is on staff at OSF St. Francis Medical Center, Unity Point Methodist, and Unity Point Proctor. He resides in Peoria with his wife and children.


Dr. Ma is the supervising physician for Jamie King, APN and Barb Nall, APN.

Jamie King

Jamie King is a Women’s Health Nurse Practitioner who earned her Bachelor of Science in Nursing (BSN) from Northern Illinois University in 2001, and her Master of Science Nursing (MSN) with a concentration in Women’s Healthcare from the University of Illinois – Chicago in 2010. She has been a board-certified Women’s Health Nurse Practitioner by the National Certification Corporation (NCC) since 2010. Jamie was also the recipient of the President’s Award in 2015 for her work as a site investigator for a national study.

Her experience in the medical field is extensive, beginning with her work as a nurse for an infertility practice after graduation. She then went to work as a circulator in the operating room for a plastic and reconstructive surgeon for 7 years. Upon completion of her master’s degree, Jamie promoted weight loss. Jamie is now back to what she is most passionate about: providing healthcare to women.

She is thrilled to be a part of this wonderful practice where she can put her passion for providing education , care, and compassion to women to work each day. She looks forward to serving the women of Peoria and the surrounding areas.

Barb Nall WHNP

I graduated from the Mennonite Nursing Program and the University of Texas Women’s Health Ob/Gyn Nurse Practitioner Program. I have been a nurse for 43 years and an NP for 38 years in Women’s Health .I care for women in all phases of life. I believe it is important to get to know my patients, to practice active listening and provide education as much as possible. My philosophy in providing care includes acknowledging that patients come from different backgrounds, strengths ,weakness and needs. I believe all individuals deserve kindness, respect, time and my undivided attention during their visit. 


I learned a great deal in my 13 years with Dr. Tracy Bochantin. I look forward to learning from and collaborating with Dr. Ma to provide the best possible care to former and new patients.

Erin Overcash WHNP

Erin Overcash is a board-certified Women’s Health Nurse Practitioner who received her BSN from Bradley University in 2006 and received her MSN from the University of Illinois Chicago in 2010. During her years in training, she was employed by the Methodist Medical Center in Peoria, Illinois as a registered nurse. For those five years, she worked in labor and delivery, assisting with births and caring for the new mothers after delivery.

Mrs. Overcash specializes in all aspects of women’s wellness. She can prescribe medications such as oral contraceptives and hormone replacement therapies. She is able to diagnose, prescribe and treat her patients, offering them the best options when it comes to the highest quality of healthcare. Mrs. Overcash has experience in dealing with prenatal care, all phases of pregnancy, post-natal care and delivery. She offers family planning advice and works diligently to counsel and educate her patients on all aspects of their healthcare. With her extensive medical background, she can order, perform specific tests and read the diagnostic results. She is also able to perform hereditary cancer testing, a genetic test that helps to determine a woman’s risk of developing breast and ovarian cancer.

Mrs. Overcash has spent several years honing her skills as a Women’s Health Nurse Practitioner. She works diligently to ensure her patients are given the best healthcare possible. She also understands the importance of educating her patients about the many illnesses and diseases that can play a role in their lives. At Peoria OB/GYN, Mrs. Overcash tries to make each and every patient as comfortable as possible. She listens to their complaints and answers their questions in an attempt to find a solution to whatever problem they may be having. It is her goal to make sure each patient knows and understands every aspect of their healthcare.

Erin resides in Morton, Illinois with her husband, Luke, and their two children, Briggs and Kenzie. Erin enjoys traveling, working out & spending time with family and friends.

Contact Our Office

Ready for a relationship with a new women’s health provider who can guide your care for years to come? Contact us online or call (309) 683-0200 to make an appointment.