Robert W. Koschik II, MD - Primary Care - Lakeside Physician


Family Medicine Board Certified by the American Board of Family Medicine, Dr. Koschik is a graduate of Drexel University College of Medicine and completed his training at UPMC St Margaret Family Medicine Residency Program.  During his time at UPMC St Margaret, Dr. Koschik trained in all aspects of comprehensive family medicine, and received extra training in psychiatry and behavioral sciences.  Dr. Koschik is certified for DOT/CDL physicals.  In addition to psychiatry, his medical interests include preventive care, rheumatology, and medical informatics.



A native of the South Hills area, Robb is married and has two daughters.  In their free time Robb and his wife enjoy cooking, jogging, traveling, watching hockey, and spending time with their extended family.


Matthew D. Diiulio, DO - Primary Care - Lakeside Physician


Dr. Matthew Diiulio is a native Western Pennsylvanian. He attended Duquesne University’s Honors College in Pittsburgh, PA, majoring in Healthcare Management Systems, and went on to the Lake Erie College of Osteopathic Medicine in Erie, PA where he was trained in Medicine and Manipulative Medicine.  He is a recent graduate of UPMC St. Margaret’s Family Medicine Residency and is Board Certified in Family Medicine and Manipulative Medicine. Matthew has special interests in Preventive Medicine and Immunizations, as well as COPD and Asthma management, and Osteopathic Manipulative Medicine. 


Matthew enjoys spending time with his wife and two sons, cooking, reading non-fiction, travelling, and watching Pittsburgh sports. He also enjoys playing the guitar and piano.


Katherine Tadolini, MD - Primary Care - Lakeside Physician


Board Certified by the American Board of Family Medicine and originally from Golden, Colorado, Dr. Tadolini moved to the area and attended high school nearby in St. Clairsville, Ohio. She then attended the University of Akron and completed an accelerated BS/MD program receiving her medical degree from Northeast Ohio Medical University. From there, Dr. Tadolini went on to UPMC Shadyside Family Medicine Residency, was chief resident in her final year, and completed her training with an interest in chronic care management, depression, and using advanced technology as part of the health system.  She also enjoys women’s health and general pediatric care.


Outside of medicine, Katie enjoys watching sports (especially the Denver Broncos, apologies to all Steelers fans), hiking, exercising, exploring restaurants around the area, and spending time with family and friends.