About Windermere Pediatrics

about us

Where Every Child’s Health Journey Begins with Love and Care

At Windermere Pediatrics, we are dedicated to providing the highest quality pediatric care to children of all ages. Our physicians, trained in some of the finest programs across the United States, are Diplomates of the American Board of Pediatrics. Our Pediatric Nurse Practitioners are certified by the National Association of Pediatric Nurse Practitioners. Together, our team is committed to ensuring that your child’s health and well-being are always our top priorities.
We offer a comprehensive range of services in a comfortable, family-friendly environment. Our clinic is equipped with state-of-the-art technology and provides a variety of diagnostic testing, including infant vision screening, pulmonary function screening, blood cell testing, and more. Additionally, we maintain physically separate waiting rooms for well visits and sick visits, ensuring your child’s comfort and safety.
At Windermere Pediatrics, we are not only focused on treatment but also on education. We believe in empowering families with the knowledge they need to make informed decisions about their child's health. Our online services allow you to manage appointments and referrals easily, while our staff is always available to assist you with any questions.

Young child in a white coat with a stethoscope, happily examining a teddy bear during a pretend medical play session.

Ginny L. Guyton, MD, FAAP

Our Vision

Our vision is to be the pediatric healthcare provider of choice in the community, recognized for our commitment to excellence in care and education. We strive to create an environment where children feel safe, comfortable, and cared for, and where families are empowered to make the best health decisions for their children. We aim to foster a healthier future for the next generation by offering accessible, high-quality healthcare for all.

Our Mission

Our mission is to provide the highest level of pediatric care by combining cutting-edge medical technology, compassionate service, and a kid-friendly environment. We aim to deliver comprehensive healthcare that nurtures the growth, development, and overall well-being of every child. We are committed to building lasting relationships with our patients and their families based on trust, empathy, and respect.

Our Core Values

Compassion

We treat every child with kindness and empathy, understanding that each patient and family has unique needs.

Excellence

We are dedicated to providing the highest standard of care, using the latest medical technology and techniques.

Education

We believe that informed parents are empowered parents. We provide resources and guidance to ensure families have the knowledge to make confident decisions.

Integrity

We operate with honesty and transparency, always acting in the best interests of our patients and their families.

Collaboration

We work together as a team with patients, families, and other healthcare providers to deliver the best outcomes.

Safety

We prioritize the health, safety, and comfort of our patients, creating a secure and welcoming environment.

Why choose Pediatría Windermere ?

At Windermere Pediatrics, we are more than just healthcare providers – we are a trusted partner in your child’s journey to health and wellness. Here’s why families choose us:

Highly Skilled and Compassionate Team

Our physicians are Diplomates of the American Board of Pediatrics, and our Pediatric Nurse Practitioners are certified by the National Association of Pediatric Nurse Practitioners. With years of experience and training in some of the best medical programs in the United States.

State-of-the-Art Technology

We provide on-site diagnostics and testing, including infant vision screening, pulmonary function tests, blood cell testing, and much more. Our clinic is equipped with cutting-edge technology to ensure accurate and timely diagnoses, leading to better outcomes for your child.

Kid-Friendly Environment

We know that visits to the doctor can sometimes be stressful, which is why we maintain a kid-friendly environment. Our well and sick waiting rooms are separate, ensuring that your child’s experience is as comfortable as possible.

Comprehensive Services

We offer a full range of pediatric services, from routine checkups to urgent care, vaccinations, and diagnostic testing. With the convenience of online appointment scheduling and referrals, managing your child’s healthcare has never been easier.

Education-Focused Approach

We believe in educating families about their child’s health. Our website provides valuable resources, tips, and helpful links, while our staff is always available to answer your questions and offer guidance.

Personalized, Family-Centered Care

At Windermere Pediatrics, you are not just another patient – you are part of our family. We take the time to get to know your child’s needs, preferences, and concerns, ensuring that care is always personalized and focused on your child’s well-being.

Trust and Integrity

We operate with honesty and transparency in all aspects of our practice. You can trust that your child’s health is in capable hands, and that we will always provide the best care possible.

Meet our Professionals

Denise Serafin, MD, FAAP

Dr. Serafin earned her Medical Degree from Ponce School of Medicine, Puerto Rico. She completed her residency in Pediatrics and Adolescent Medicine at the Cleveland Clinic Children’s Hospital in Cleveland, Ohio, where she also served as Chief Resident during her final year. Dr. Serafin worked for one year as Clinical Associate in the Emergency Room/Urgent Care at the Cleveland Clinic before joining Windermere Pediatrics in 2005. She is Board Certified in Pediatrics and is a Fellow of the American Academy of Pediatrics. She, her husband Dr. Carlos Alemany, and their four children live in Ocoee. Her interests include cooking, traveling, Latin American women’s novels, and interior decorating. Her special medical interests include asthma, allergic diseases, and adolescent medicine. Other languages spoken: Spanish.

Afra Ali, MD, FAAP

Dr. Ali is a board-certified pediatrician and a Fellow of the American Academy of Pediatrics. She received her Bachelor of Science degree from Michigan State University, majoring in physiology. After graduating from medical school, Dr. Ali completed her pediatric residency at the University of Florida Shands Children’s Hospital, where she participated in their primary care residency track. Before joining Windermere Pediatrics, Dr. Ali practiced pediatrics in private practice in Central Florida. She enjoys traveling, is a self-proclaimed foodie, and lives in Orlando with her family.

Luz M. Karas, M.D.

Luz M. Karas, M.D. is a board-certified pediatrician trained at Stony Brook Children’s Hospital, State University of New York at Stony Brook. Dr. Karas is originally from Colombia and earned her medical degree from Pontificia Universidad Católica of Ecuador. After seven years of medical training, she moved to the United States to continue her education in pediatrics. Dr. Karas relocated to Long Island, New York, where she completed her pediatric training and received multiple awards for excellence in teaching and leadership. After graduation, she accepted a position at Hudson River Health Care in Long Island. Dr. Karas and her family later relocated to Orlando, where she joined Windermere Pediatrics. Her professional interests include autoimmune conditions, infectious diseases, and allergy/immunology. She enjoys building relationships with families and helping children thrive through compassionate team-based care.

Ginny L. Guyton, MD, FAAP

Dr. Guyton earned her Medical Degree from the University of Miami School of Medicine in 1984. She completed her Pediatric Residency at Orlando Regional Medical Center, including two years as Chief Resident before joining Windermere Pediatrics in 1989. She became a partner in the business in 1990 and is Board Certified in Pediatrics. Dr. Guyton is a member of the American Academy of Pediatrics, the Orange County Medical Society, and the Central Florida Pediatric Society. She and her husband, Dan, reside in Winter Park with their son, Sam. Her interests include art and roller skating. Other languages spoken: Spanish.

Ana Souto, ARNP

Ana Souto earned her Master’s degree in Nursing with a specialization in Pediatrics from New York University. She is nationally certified through the Pediatric Nursing Certification Board and has been with us since October 2016. Ana lives in Windermere with her husband and two daughters. In her free time, she enjoys spending time with her family and volunteering at school and church.

Katie Wilczak, ARNP

Katie Wilczak is a board-certified pediatric nurse practitioner and a member of the National Association of Pediatric Nurse Practitioners. She earned her Doctorate in Nursing Practice from the University of Florida. Before joining Windermere Pediatrics, she worked for five years in the Pediatric Intensive Care Unit at Arnold Palmer Hospital for Children. Katie is an Orlando native and lives downtown with her husband and two daughters. She enjoys running, weightlifting, reading, spending time with her family, and visiting Disney.

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