Menu Search>Pediatric Cardiology Associates (PCA) Pediatric Cardiology Associates (PCA)Main Office Phone: 703-876-8410/Fax: 703-876-8417Shady Grove Phone: 301-424-8484/Fax: 301-424-1835 Our Clinicians Our Locations Patient Forms Referring Physicians Pay Your Bill Our Clinicians Annette Ansong, MD Pediatric Cardiologist Alan Benheim, MD Pediatric Cardiologist Patrick Callahan, MD Pediatric Cardiologist Sarah Chambers, MD Pediatric Cardiologist Mitchell Cohen, MD Pediatric Cardiologist Jared Hershenson, MD Pediatric Cardiologist Sharon Karr, MD Pediatric Cardiologist William Kirby, MD Pediatric Cardiologist Jennifer Lindsey, MD Pediatric Cardiologist Jennifer O’Neil, MD Pediatric Cardiologist Kinjal Parikh, MD Pediatric Cardiologist Jin Park, MD Pediatric Cardiologist Harish Rudra, DO Pediatric Cardiologist Sherif Tawfik, MD Pediatric Cardiologist Shripriya Sahay, NP Nurse Practitioner, Pediatrics Elyssa Sigurdson, AuD Clinical Audiologist Jill Young, AuD Clinical Audiologist