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Emergency Case

If you need a doctor urgently outside of medicenter opening hours.
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Meet our team

At PM Kidz, we are dedicated to the care of children. Our team consists of board-certified pediatricians and specially trained staff. Our goal is to work in combination with your primary pediatric provider to keep your little ones happy and healthy.

Wali Gauvin, M.D., FAAP

Chief Executive Officer

Dr. Gauvin is a board-certified pediatric cardiologist. He received his medical degree from The State University of New York Health Science Center at Syracuse. He completed his pediatric residency at Winthrop University Hospital, and his pediatric cardiology fellowship at Rainbow Babies and Children’s Hospital. Dr. Gauvin is passionate about nutrition and physical fitness and improving the mental and physical health of children. He is fluent in Spanish and English.

CharlRe’ Slaughter-Atiemo, M.D., FAAP

Chief Medical Officer

Dr. CharlRe’ Slaughter-Atiemo is a native of Atlanta, Georgia. She earned her Bachelor of Science at Cornell University and graduated cum laude from Morehouse School of Medicine with her Doctor of Medicine. Dr. Slaughter-Atiemo completed her Pediatric Internship and Residency at St. Christopher’s Hospital for Children in Philadelphia, PA. She has been the recipient of numerous awards including membership in the AOA Honor Medical Society. Dr. Slaughter-Atiemo is board-certified in Pediatrics and has an interest in Adolescent medicine and preventative care. She enjoys spending time with her husband and 2 kids, cooking, and traveling.

Martha Casamalhuapa, M.D., FAAP

Chief Operations Officer

Dr. Martha Casamalhuapa was born and raised in El Salvador. She attended medical school in Cuba at the Latin American School of Medicine. She then returned to El Salvador where she practiced medicine for some years. Dr. Casamalhuapa completed her training in NY at Bronx Lebanon Hospital and she is a board-certified pediatrician. In Addition, Dr Casamalhuapa is a co-founder of Casa Pediatrics in Woodbridge, Virginia. She is fluent in Spanish and English.

Udoka Onukwugha,FNP-C

Nurse Practitioner

Udoka Onukwugha is a certified Family Nurse Practitioner. She completed her Bachelors and Masters of Science in nursing at the Bowie State University in 2015 and 2019 respectively, with a graduate program focus as a family nurse practitioner with special interests in Pediatrics. She also has a strong background in cardiovascular nursing. Udoka believes in developing strong relationships with her patients in order to provide culturally congruent and personalized care tailored to meet patient specific needs. Udoka is originally from Nigeria and is an active member of the National Society of Leadership and Success. When not in the office, she enjoys gardening and weekend getaways. She currently resides in Maryland with her family.

Marilyn Llamas

Medical Receptionist/Assistant

Ms. Llamas has more than 5 years of experience in the medical field, with a proven track record of senior-level executive support, management, and training in both clinical and administrative duties. Ms. Llamas loves working with children and has practiced a streamlined and intuitive approach to patient care focusing on empathy, efficiency, and astute problem solving. Over the course of her career, she has excelled in high-volume patient settings with excellent customer service skills. Ms. Llamas currently resides in Maryland with her three year old son. She is fluent in Spanish and English.