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Our entire team is passionate about providing personalized, quality care for your child.

As your medical home, we want to be the first people that you turn to for the care of your child. By building long term relationships based on trust and mutual respect, we are here to be partners with you to help raise healthy children, both physically and emotionally. Thank you for allowing us to be your guide on this wonderful journey, navigating the joys and challenges of parenting.

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Yolanda E. Dingess, M.D.

Dr. Dingess was born and raised in Philadelphia, PA. She attended The Medical College of Pennsylvania (now Drexel University School of Medicine) and graduated in 1988. After relocating to Pittsburgh for her Pediatric Residency at UPMC Mercy she met and married her husband, making Pittsburgh her permanent home. Dr. Dingess is Board Certified in Pediatrics with special interests in Asthma, Allergy, and Child Development. Dr. Dingess joined the East Suburban Pediatrics family as a partner in 2007.

Part of what drew Dr. Dingess to Pediatrics was the opportunity to help families through the transitions of childhood and the difficult times of illness. Along with her husband and son, Dr. Dingess has aided numerous churches and family and children centers in their mission to provide services for those in need.

Nathan Millard, M.D.

A graduate of Loyola University Maryland, Dr. Millard received his medical degree from The George Washington University School of Medicine and Health Sciences in 2004. He completed his residency in 2007 at Boston Children’s Hospital and Boston Medical Center. Dr. Millard then spent four years as a pediatrician in Baltimore through the National Health Service Corps prior to returning to fellowship training in Pediatric Hematology/Oncology and Pediatric Neuro-Oncology at Memorial Sloan Kettering Cancer Center in New York, NY. He is Board Certified in Pediatrics and Pediatric Hematology/Oncology.

Dr. Millard comes to East Suburban Pediatrics from Seattle Children’s Hospital where he served as a Clinical Assistant Professor in the Division of Hematology and Oncology. He is excited to bring his expertise in blood disorders, cancer screening, and care of cancer survivors to East Suburban Pediatrics. Dr. Millard also has a passion for the care of newborns and their families as well as patients with complex medical needs. He is proficient in Spanish and loves caring for Spanish-speaking families.

Dr. Millard was born and raised in Baltimore, MD and recently re-purchased his previous home in Glenshaw, PA, where he resides with his family and dogs. In his free time, he enjoys travel, cooking, and scuba diving.

Mayra Manchego, D.O.

Dr. Manchego is thrilled to be back in her hometown of Pittsburgh after completing her pediatric residency at Wake Forest. Her special areas of interest within pediatrics include neonatal medicine and breastfeeding support. As a native Spanish speaker, she is also excited to care for Spanish-speaking families in our community, ensuring that every child and parent feels understood and supported. Whether it is offering general health surveillance or addressing the unique health needs of your child, she is here to provide compassionate, expert care. Dr. Manchego looks forward to meeting you and being a part of your family’s healthcare team!

Rebecca Reefer, C.R.N.P.

Rebecca Reefer graduated Magma Cum Laude with her Bachelor of Science in Nursing from Indiana University of Pennsylvania in 2005. She joined the nursing profession at West Penn Hospital in the Neonatal Intensive Care Unit (NICU). She spent ten years as a bedside nurse in the NICU, providing care to some of the smallest, most critical infants, and their families, before joining the NICU transport team. As part of the transport team, Rebecca was responsible for attending high risk deliveries, stabilizing medically fragile newborns, and safely transporting them to the NICU, both from within West Penn Hospital and from outlying hospitals. Rebecca became a nurse practitioner by earning her Doctorate in Nursing Practice (DNP) from Robert Morris University in 2023. She is passionate about teaching and providing family centered care.

In her free time, you can find Rebecca visiting her family at the family owned and operated beef and dairy farm in Armstrong County, exploring the parks and hiking trails with her 2 dogs (Ali and Sawyer), or curled up on the couch lost in the pages of a good book.

Amber Sluka, C.R.N.P.

Amber Sluka is a dedicated Family Nurse Practitioner with a passion for preventative health care and helping children develop lifelong healthy habits. She began her nursing career in 2018 at Allegheny General Hospital before transitioning to West Penn Hospital, gaining diverse experience in various settings. She earned her FNP degree from Georgetown University in 2022. Outside of work, Amber enjoys spending time with family, baking, and tackling DIY home projects.

Kelsey Cable, C.R.N.P.

Kelsey Cable was born and raised in Pittsburgh. She attended the University of Pittsburgh where she completed her biology degree. During her time at Pitt, she also played collegiate softball. Afterwards, she attended Duquesne University to complete her Bachelor of Nursing. She was a nurse for five years before becoming a Pediatric Nurse Practitioner and graduated with both a Master’s and Doctorate degree from Maryville University. She has a passion for Sports Medicine as well as infant care and development.

Kelsey resides in the South Hills with her husband and rescue dog, Finn. In her free time, she enjoys walking her pup, watching movies with her husband, getting ice cream, and hanging out with friends.

 

Linda Shearer, C.R.N.P.

Linda Shearer joined East Suburban Pediatrics as a Nurse Practitioner in 2025. Linda lives in Elizabeth Township with her husband. She graduated from California University of PA with her bachelor’s degree and received her master’s degree from Carlow University as a Family Nurse Practitioner.

With over 20 years of experience in emergency medicine and urgent care, she brings expertise and compassion to our team. This role is extra special for her, as her own children were once patients here. Linda is honored to care for the next generation of East Suburban Pediatrics families.

Nichol Harris, C.R.N.P.

Before joining East Suburban Pediatrics in 2025, Nichol Harris earned both her Bachelor of Science Degree in Nursing and her Doctor of Nursing Practice from Robert Morris University. Prior to receiving her DNP degree, she worked as a staff nurse at UPMC Children’s Hospital and the neonatal intensive care unit at West Penn Hospital. Nichol brings her extensive experience working with medically complex children at The Children’s Home in Pittsburgh to East Suburban Pediatrics.

Nichol is a dog mom to an adorable Shih Tzu named Sophie. Her favorite vacation was to Italy, where she celebrated a milestone birthday in Rome and Florence. She loves spending time with family and friends. Her favorite sweet treat is anything chocolate.