AHN Pediatrics Bloomfield Multi-Specialty Providers

Russell Traister, M.D., Ph.D


University of Pittsburgh School of Medicine


MD and Board-Certified in Internal Medicine and Allergy/Immunology

PhD. – Immunology

Additional Information

Dr. Traister attended The University of Pittsburgh School of Medicine and received his MD and PhD (Immunology) in 2008.  After finishing residency training in internal medicine and fellowship training in allergy and immunology, he worked part-time at UPMC, Children’s Hospital of Pittsburgh, and AHN Pediatrics.  Subsequently he was employed at Wake Forest Baptist Health in Winston-Salem, NC. He is an author on over 20 peer-reviewed publications and over 25 abstracts.  He currently resides in O’Hara Township with his wife and two children.  Moving back to the area allows Dr. Traister to be closer to his extended family, who also reside in Western Pennsylvania. 

Bethany Ziss, M.D.

Additional Information

Bethany Ziss, MD, began her career as the attending physician in Developmental and Behavioral Pediatrics at Greenville Health System in South Carolina. During her time at Greenville Health System, she cared for children with developmental disabilities and presented at Grand Rounds on various developmental pediatric topics. Dr. Ziss has a strong background in disability advocacy, and throughout her career she has worked to bring a neuro-diversity and disability community perspective to her clinical care.