Our Doctors KD Exeter Health ClinicServices


Roberto Gugig, MD

Pediatric Gastroenterology

Academic Appointments
Asst. Clinical Professor, UCSF School of Medicine and Children’s Hospital Central California, Departments of Pediatrics, Division of Gastroenterology " Nutrition, 2003-Present

Board Certifications
Pediatrics

Education and Training
Universidad Central de Venezuela, Doctorate of Medicine and Surgery 
UCLA School of Medicine, Department of Pediatrics, Division of Gastroenterology and Nutrition, Research Fellow
Clinical fellowship, UCSF School of Medicine, Department of Pediatrics, Division of Gastroenterology


Tammy Petrossian, RD, CSP, CNSD
Pediatric Registered Dietitian

Specialty Certification
Certified Specialist in Pediatrics since 2001
Certified Nutrition Support Dietitian since 1997
California Children’s Services Paneled

Education and Training
Bachelor of Science Degree in Food and Nutritional Science, emphasis in Dietetics and Food Administration, California State University, Fresno
Porterville Developmental Center, Porterville-Dietetic Internship



Brittani A. Snyder, MSN, FNP-C
Family Nurse Practitioner

Specialty Certification
Family Nurse Practitioner ANCC Board Certified

Education and Training
Masters of Science in Nursing, University of San Francisco

Work History
Family Nurse Practitioner, Family Healthcare Network, Orosi, CA
Emergency Department Staff Nurse, St. Mary’s Medical Center, San Francisco, CA