Providers   Affinia    Biddle Location


Affinia Healthcare provides trusted health services through highly qualified and dedicated professionals at our seven locations. These providers, working along side our dedicated staff and volunteers, have received their training and certifications from some of the most highly-regarded programs in the nation.


Dr. Micaela O'Neil-Callahan
Dr. O'Neil-Callahan earned her undergraduate degree from University of Wisconsin - Madison; medical degree from the University of Wisconsin - School of Medicine and Public Health; and completed her residency at Washington University. Dr. O'Neil-Callahan is board certified in obstetrics and gynecology.
Dr. Erin King
Dr. King earned her undergraduate degree from Stanford University; medical degree from Washington University; and completed her residency at Northwestern Memorial Hospital (Chicago, IL). Dr. King is board certified in obstetrics and gynecology.
Dr. Vivian Knipp
Dr. Knipp earned her undergraduate degree from the University of Missouri - Columbia (Psychology). She also earned from Saint Louis University a Master of Science and Doctor of Philosophy!
Dr. Jenny Walczak
Behavior Health Director
Dr. Walczak earned her undergraduate degree from Marquette University (Psychology Education); doctorate from the Chicago School of Professional Psychology (Chicago, IL); and received her fellowship training at St. Louis Children's Hospital (Department of Psychology).
Dr. Amal Antoun
Dr. Antoun graduated from the Ain Shams University, Faculty of Medicine, Abbasia, Cairo, Egypt . She specializes in Pediatrics.
Dr. Timothy McCann
Internal Medicine
Dr. McCann provides internal medicine services for patients age 18 and older. He is a graduate of the American University of the Caribbean and completed his residency at St. Luke’s Hospital.
Dr. Mary Goggins
Dr. Goggins earned her undergraduate degree at Rockhurst University and her doctorate in Clinical Psychology from the University of Kansas. She completed her pre-doctoral internship at the University of Tennessee Memphis Professional Psychology Internship Consortium.
Summer Boyer
Nurse Practitioner
Summer graduated with her BSN from Southern Illinois University - Edwardsville in 2000. She served as a Naval Nurse in the United States Navy. In 2011, Summer graduated from University of Missouri - St. Louis with a Master’s degree in Women’s Health.
Patrick Schoenwalder
Physician Assistant
Patrick Schoenwalder, PA-C, MPH, MLS (ASCP) earned his undergraduate degree from Drury University; a Master of Public Health from University of Illinois – Springfield; and a Masters in Medical Science – Physician Assistant degree from St. Louis University. Patrick is also a board certified Clinical Laboratory Scientist.
Dr. Barbara Lutey
Internal Medicine
Dr. Lutey earned a bachelor’s degree in chemistry and a master’s in library science at Indiana University. She earned her medical degree at the University of Iowa, and completed her postgraduate training at Washington University before joining the faculty in 2009.
Dr. Emily Rumora
Internal Medicine
Dr. Kathleen Sinks
Dr. Sonia Salas
Dr. Tereq Nabhan
Dr. Juee Phalak
Dr. Sara Carey
Dr. Cary joined the Center's staff in 2017 and has more than 5 years of clinical experience. She received her undergraduate degree from Ithaca College and her Doctorate of Audiology from the University at Buffalo. Dr. Cary served 5 years as a military audiologist in the U.S. Army and is currently serving in the U.S. Army Reserves. ​She is a member of the American Speech-Language-Hearing Association and holds a certificate of clinical competence in audiology and is a Course Director for the Council for Accreditation in Hearing Conservation. She is licensed as an audiologist in Missouri and Nebraska.
Dr. Dwayne Young
Dr. Young earned his Doctor of Optometry from Indiana University Bloomington and a BS from Purdue University. Dr. Young also serves as an adjunct professor for the University of Missouri - St. Louis College of Optometry. Prior to joining Affinia Healthcare, Dr. Young practiced at the Department of Veterans Affairs and served as an Optometry Officer for the United States Army Reserve.
Dr. Patrick Battaglia
Dr. Patrick J. Battaglia is a clinician within Logan’s Integrative Heath Centers and assistant professor of radiology in the Doctor of Chiropractic program. He earned his Doctor of Chiropractic degree from Logan University in 2012, and subsequently completed a 3-year residency in diagnostic imaging, becoming board certified in chiropractic radiology in 2016. He has also completed a 1-year fellowship in diagnostic imaging, with emphasis on ultrasound of the musculoskeletal system. Dr. Battaglia’s clinical interests include assimilating chiropractic care into traditional multidisciplinary medical settings, and implementing diagnostic ultrasound into routine musculoskeletal practice. His research interests include studying the sonoanatomy of various musculoskeletal structures, especially important structures of the arch of the foot in people with flatfoot deformity.
Dr. Bradley Bush, DDS
Currently, Dr. Bush is a General Dentist at the St. Louis Dental Center - a Partnership between A. T. Still University ad Affinia Healthcare. He received his undergraduate degree in Biology and Chemistry from Southern Illinois University (Edwardsville ,IL) and earned his D.M.D. degree from Southern Illinois University School of Dental Medicine (Alton, IL).