Our Providers
Our Physicians
David J. Cooper, M.D., Ph.D.
Born and educated (PhD) in the UK and moved to the US as a Grad Student (Molecular Biology). MD at age 38. Married, 5 children, all grown! I am an ‘outdoor’ person and a day on my bike in beautiful Lancaster County is always a delightful experience.
EDUCATION AND TRAINING
Graduated from Imperial College, London (PhD Organic Chemistry). 11 years in medicinal chemistry research (Schering-Plough, SmithKline). Then Graduated (MD) from the University of Miami Medical School and after pediatric residency/Clinical Pharmacology Fellowship, spent three years in Clinical Research (Merck, Lederle). Founded Chester County Pediatrics in 1978 and in practice since. Past 10 years developed strategies for implementing Telemedicine for Pediatrics.
PROFESSIONAL INTERESTS
Infectious Disease, Sports Medicine, General Pediatrics, Pediatric/adolescent Mental Health, ADD/ADHD, Telemedicine.
PERSONAL INTERESTS
Long distance biking, Photography, especially wildlife, Electronics, Flying, but aged-out!
Neil D. Pennington, M.D., Ph.D.
Joined Chester County Pediatrics, PC Fall 2022
Dr. Pennington completed his medical training in 1987 at the University of Medicine and Dentistry of New Jersey, Robert Wood Johnson Medical School, where he was Chief Resident in Pediatrics. He then joined the Medical Staff of the Chester County Hospital, where he has served in many capacities, including Chairman of the Department of Pediatrics. He retired from the full-time Attending Staff at the Children’s Hospital of Philadelphia after 20 years of practice, and currently helps out part-time at local practices that are short-staffed, and also as a Hospitalist at smaller/rural hospitals in western Pennsylvania when needed.
He is on-call 24/7 as “Dr. Grandpa” for his eight grandchildren.
Spanish speaking families are welcome!
Our Nurse Practitioners
Caitlin Webb, CPNP-PC
Certified Pediatric Nurse Practitioner- Primary Care
Caitlin is a pediatric nurse practitioner who joined Chester County Pediatrics in 2013. She received her bachelor’s of science in nursing (BSN) and minor in psychology from Duquesne University in 2006. After college, she worked at the Children’s Hospital of Philadelphia as an RN until 2013 on an inpatient medical unit specializing in nephrology, adolescent medicine, and general pediatrics. In 2012, she earned her master’s of science in nursing (MSN) specializing in pediatric primary care from Villanova University.
In 2024, Caitlin completed Ohio State University’s Online Child and Adolescent Mental Health Fellowship program and passed the PNCB’s Pediatric Primary Care Mental Health Specialist exam.
Caitlin was a Division I athlete at Duquesne University, competing on the women’s track and field team and remains interested in adolescent sports medicine.
Coming Soon...
Our Office Administrator
Brenda Souder, R.N.
Brenda was the first office nurse to work for Chester County Pediatrics at its inception in 1980. Since that time, she has worked tirelessly to bring the Practice to where it is today. In 2004, she was made a partner in the Practice.