Providers   Affinia    N. Florissant Location


Affinia Healthcare provides trusted health services through highly qualified and dedicated professionals at our 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. Carla Duban
Dr. Duban received a BA from Loyola University of Chicago and graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science. She completed a residency at Brooke Army Medical Center in San Antonio, TX.
Dr. Caroline Iskander
Pediatrics/Sports Medicine
Dr. Caroline Newman Iskander received her medical degree from University North Carolina School of Medicine. She completed her pediatric residency at University of North Carolina in Chapel Hill, NC and then completed her sports medicine fellowship at Moses Cone Sports Medicine in Greensboro, North Carolina. She is board certified in Pediatrics and currently board eligible in Sports Medicine. Her professional interests include primary care for pediatric patients and sports medicine for both pediatrics and adults.
Kathleen Guerrein
Nurse Practitioner/Pediatrics
Kathleen Guerrein, RN, MSN, ARNP, received her undergraduate degree from Maryville University and her masters from Saint Louis University. She is Board Certified in Pediatrics.
Dr. Jessica Norton
Larissa Venhaus
Women's Health Nurse Practitioner
Dr. Catherine Moore, DO
Family Practice
Karen Paschel
Doctor of Nursing Practice/Family Practice
Rajeev John
Trauma Informed Care Manager
Dr. Sima Shakiba
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. Jared Visser
Dr. Jeffrey Lin
Family Physician
Dr. Jeffrey Kaibin Lin is a board-certified family physician who completed his residency training at Harbor-UCLA Medical Center, CA after receiving his MD/MPH from the University of Miami Miller School of Medicine, FL. A native New Yorker, he earned undergraduate degrees from the State University of New York at Binghamton, NY and the Fashion Institute of Technology, NY.