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Raleigh based pediatricians and pediatric nurse practitioners:

pediatricians raleigh nc Dr. BullockSelam Bullock, MD, FAAP

Dr Selam Bullock is Board Certified in Pediatrics and is a fellow of the American Academy of Pediatrics. Dr Bullock believes that it is important in life to never assume you know enough, but you should always be open to new knowledge. Her particular interests are using technology to improve healthcare quality,Asthma, ADHD and Preventative care.  She believes that we as pediatricians should always keep our minds open and constantly keep up to date with the latest research. Sometimes our best teachers are our patients and it is always important that we listen to the patient or the mother, they know themselves the best. She has been practicing in North Carolina since 2002, and in Raleigh since 2006. She started Kids First Pediatrics in 2008 , the practice has rapidly grown. She has 2 little girls, Sarah and Sophie. Dr Bullock speaks Spanish, Tigrinya (her native language) as well as Baby language. She enjoys blowing bubbles with her  girls, and puppy Zoey.


pediatricians raleigh nc, Dr. LeideckerSheryl Leidecker, MD, FAAP

Dr. Sheryl Leidecker completed medical school in Houston, Texas, and her pediatric training in Toledo, Ohio.  She is Board Certified in Pediatrics.  After nine years in private practice in New Jersey, she has settled in North Carolina and joined Kids First Pediatrics.  Dr. Leidecker is married and has two children who keep her busy with both soccer and basketball games.  In her free time she enjoys reading, camping, gardening and horses.



 Mia Armstrong, MD, CLC, FAAP

Dr. Mia N. Armstrong is Board Certified in Pediatrics and is a fellow of the American Academy of Pediatrics.She graduated with a Bachelor of Science degree in Biology from Xavier University of Louisiana in New Orleans, LA. She received her Medical Degree from the Medical College of Georgia in Augusta, GA.  Her Pediatrics training was in Jackson, MS at the University of Mississippi. Dr. Armstrong studied Spanish throughout her formal education and has completed missions trips, serving in both the Dominican Republic and Honduras. She loves to travel and explore new cuisines and adventures. Though she enjoys working with children of all ages, she has a special interest in teaching new parents to care for their newborns, offering breastfeeding support as a Certified Lactation Counselor. Her other interests include asthma education, routine well care, and immunizations. Dr. Armstrong loves to talk, never meets a stranger, and cares for her patients as though they were her own children. She is excited to join Kids First Pediatrics and looks forward to meeting you!



Mary Kozuch, CPNP

Mary graduated from UNC Chapel Hill School of Nursing and has been a Certified Pediatric Nurse Practitioner since 2013. She has over 25 years of clinical experience working in Acute Care Nursing in the hospital, choosing Pediatrics as her specialty in 1998. Mary trained with the Pediatric ER staff from Children’s Medical Center in Dallas, Texas and also helped to establish the Pediatric ER at Moses Cone Hospital in Greensboro, NC. After obtaining her advanced practice nursing education and experience at UNC, she served the pediatric population of Harnett County before arriving to work with her colleagues at Kids First Pediatrics. Mary enjoys spending time with her husband and kids, traveling, working on her classic Chevy car, gardening, and reading. She speaks limited Spanish.


 Marquita Lyons-Smith, MSN, RN, CPNP-PC

Marquita Lyons-Smith is a Pediatric Nurse Practitioner who treasures working with children.  Her passion for helping children stared as a teenage where she worked as a CNA on the Pediatric Bone Marrow Transplant Unit at Duke University.  Upon completing her undergraduate degree in nursing from NCCU, she transferred to the NICU to continue providing care for children.  Despite being a diehard Carolina fan, she earned her Master’s degree from Duke University.  Most of Marquita’s spare time is consumed with Doctoral studies emphasizing on pediatric obesity, but she still finds time to cheer on the Tarheels and Panthers, let’s hope she isn’t disappointed this season.

Marquita and her husband Anthony have two children, a son and a daughter.  Her daughter is a miniature Marquita which makes life very interesting, but the pair understands each other perfectly. Her son is the family’s go to IT expert, and to be so young, he is very good at computer repairs; unfortunately, he charges by the hour!  Marquita and her husband love to laugh, and their children sure do fill their lives with laughter.

Marquita has been part of the Kids First team since 2012, and looks forward to serving you and your precious children.

To get in touch with our pediatricians or pediatric nurse practitioners…

Contact Us at our Raleigh, NC office.

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