Josephine T. Lopez, MD FAAP

Dr. Lopez (“DrL”) has broad experience in general pediatrics, in infectious diseases, and ADHD. She is Board Certified in Pediatrics and is a fellow of the American Academy of Pediatrics. DrL completed her residency at the Medical College of Georgia in Augusta and obtained her MD from the University of the Philippines College of Medicine. She maintains membership in the American Association of Pediatrics and the Philippine American Association of Georgia. DrL is as adjunct faculty at the Augusta University-University of Georgia Medical Partnership and mentors medical students in community pediatrics.

DrL loves kids and has three of her own grown ones, Joseph, Julia and Johann. She enjoys travel, gardening, cooking, and riding her bicycle. As an active member of St. Joseph Parish in Athens, she sings Sunday choir and strongly supports kids programs at both St. Joseph Catholic Parish School and Monsignor Donovan Catholic High School.

Felix Sherwin Lopez


“MrL” handles the personnel and business side of the practice and is involved in customer service, business and vendor relations, hiring and payroll. Prior to joining Athens Kids Specialists he worked as a researcher in an international agricultural research center and as an environmental lab manager in private industry. MrL studied Biology (Ecology) at the University of the Philippines and obtained a PhD (Ecology) from the University of Georgia. He loves gardening, tennis, biking, and traveling with his family.

Buffy W York, RN, MSN

Advance Practice Nurse Practitioner

Buffy has over 20 year’s practical experience as a nurse/nurse practitioner in a pediatric or family medicine setting in Northeast Georgia. She earned her BS Nursing degree from Lander University and the MS Nursing degree from Clemson University. She is certified by the American Academy of Nurse Practitioners. During her free time, Buffy enjoys outdoor activities with her family.

Maria Blanco, CMA

Treatment Coordinator

Maria is the lead person leading the Athens Kids Specialists staff in providing exceptional care to our patients. She is a certified medical assistant and has a Diploma in Medical Assisting from Athens Technical College. She joined Athens Kids Specialists PC in 2008 and has seen many of our patients turn into fine teens and adolescents. She is fan of running, exercise and enjoying quality time with her kids Javiersito, Jimena and Juliet, and husband Javier.

Yajaira Ramirez

Back Office Assistant

Yajaira attends Athens Technical College in preparation for a nursing degree. She joined Athens Kids Specialists in 2020 and helps triage patients, take history, prepare patients for procedures and run labs. When not working, you can expect to see her lifting weights or enjoying outdoor activities.

Patricia Bustinza

Back Office Assistant

Patricia is a senior at Augusta University working on two Bachelor’s degrees: in Biology and in Foreign Languages on her way to medical school. She is also an enlisted soldier in the US Army Reserve. Patricia assists in the back office taking history, translating for the providers, and prepping patients for procedures.

Karla Frias Nunez

Front Office Assistant

Karla’s mission is to help every parent and patient to the best of her ability. She directs the busy front office in scheduling patients, coordinating referrals, managing the collections. Karla attended Athens Technical College and joined us in 2020. Her favorite activity is cooking Mexican cuisine for her husband Juan and their 2 young sons.

Jocelyn Gutierrez Trejo MA

Front Office Assistant

Jocelyn is the first pleasant voice you get when calling or when checking in at Athens Kids Specialists. She is always happy to assist parents schedule appointments and referrals. Jocelyn graduated from North Georgia Nursing Academy with a degree in Medical Assisting. She enjoys shopping, traveling and hiking.

Julia Lopez

Admin Assistant

Julia is a senior at the University of Georgia studying Anthropology and Human Kineseiology. She helps manage office correspondence, doctor credentialing, finances, and business licenses/permits. She loves dancing and intramural sports and is active in cross-cultural education.

Johann Lopez

Admin Assistant/IT Tech

Johann is a freshman at the University of Georgia majoring in Biology. At Athens Kids Specialists he helps install and upgrade network devices and troubleshoot computer and EMR issues. Johann loves basketball, soccer and biking. He has eighteen pet chickens.