- Colorectal
- Publications
- Caring for Colorectal Disorders
- Getting Ready for Colorectal Surgery
- Conditions That Can Develop in Children with Anorectal Malformations
- Constipation and Fecal Incontinence Resources
- Specialized Diets
- Educational Videos
- Skin Care Guidelines
- Urologic and Gynecologic Management for Anorectal Malformations
- Your First Visit
- Meet the Team
- Colorectal Quiz Podcast
- What You Need to Know About Functional Constipation and Fecal Incontinence
- What You Need to Know About Diagnosing Cloaca
- What You Need to Know About Diagnosing Pediatric Functional Constipation
- Treating Children with Persistent Symptoms After Surgery for Hirschsprung Disease
- What You Need to Know About Surgical Treatment for Children With Functional Constipation
- What You Need to Know About Medical Treatment for Pediatric Chronic Constipation and Fecal Incontinence
- Current Treatment Options for Children with Hirschsprung Disease
- Treatment Options for Cloaca
Leadership

Julie Choueiki MSN, RN
- Senior Program Manager, Colorectal & Pelvic Reconstruction
Julie Choueiki MSN, RN
Languages
- English
Departments
Biography
Julie Choueiki was recruited to build and serve the Division of Colorectal & Pelvic Reconstruction at Children’s National Hospital. Julie's expertise in program management and strategy poised her to develop a collaborative center in the nation’s capital, treating and serving children from all over the United States and beyond.
Julie completed a masters of science in nursing administration at the University of Cincinnati. She worked as a trauma, critical care and emergency department nurse, nurse educator, informatics educator and professional development nurse specialist. In her personal time, Julie enjoys traveling the world, hiking and spending time with her family.
Katherine Marie Worst, NP,MB,ChB
Locations
Departments
Gastroenterologists
Geetanjali Bora, MD
Locations
Departments
Gynecologists

Veronica Gomez-Lobo, MD
- Director, Positive Reevaluation of Urogenital Differences (PROUD) Clinic
- Pediatric and Adolescent Gynecologist

Allison Caroline Mayhew, MD
- Director, Pediatric and Adolescent Gynecology
- Pediatric and Adolescent Gynecologist
- Surgeon
Allison Caroline Mayhew, MD
Locations
Departments
Swetha Naroji, MD
Locations
Departments
Neurosurgeon
Robert Francis Keating, MD
Locations
Departments

John Socrates Myseros, MD
- Vice Chief, Neurosurgery
- Neurosurgeon
4.9/5
Based On 35 Family Ratings
John Socrates Myseros, MD
Locations
Departments
Urologists
Christina Pham Ho, MD
Locations
Departments
Celicia Williams Little, APRN,DNP,PCPNP
Locations
Departments

Hans G. Pohl, MD
- Division Chief, Urology
- Co-Director, Spina Bifida Program
- Urologist
4.4/5
Based On 31 Family Ratings
Hans G. Pohl, MD
Locations
Departments
Briony Kate Varda, MD,MPH
Locations
Departments
Surgeons

Andrea Tereza Badillo, MD
- Director, Colorectal & Pelvic Reconstruction
- Associate Program Director, Pediatric Colorectal Fellowship
- Surgeon
Andrea Tereza Badillo, MD
Locations
Departments
Christina Feng, MD
Locations
Departments

Marc Aaron Levitt, MD
- Chief, Division of Colorectal & Pelvic Reconstruction
- Program Director, Pediatric Colorectal Fellowship
- Surgeon
Marc Aaron Levitt, MD
Locations
Departments
Advance Practice Providers
Krystal Nya Artis, MB,ChB,PA-C
Locations
Departments
Lindsay Cushen Clarke, PA-C,MB,ChB
Locations
Departments
Nurses

Cassie do Carmo BSN, RN
- Nurse Clinical Coordinator

Olivia Cleckley MSN, RN, CPN
- Nurse Clinical Coordinator
Olivia Cleckley MSN, RN, CPN
Languages
- English
Departments
Biography
Olivia Cleckley, MSN, RN, CPN, serves as a Nurse Clinical Coordinator for the Division of Colorectal & Pelvic Reconstruction. Olivia obtained her Master of Science in Nursing Leadership from Benedictine University in Illinois. Her previous nursing experience includes serving as a Patient Placement Manager, Administrative Nursing Manager, and Emergency Medicine and Trauma Nurse, all at Children’s National Hospital. She is a member of the Sigma Theta Tau International Honor Society of Nursing.

Pharra Flach MS, RN
- Case Manager

Justine Gagnon BSN, RN, CPN
- Nurse Clinical Coordinator
Justine Gagnon BSN, RN, CPN
Languages
- English
Departments
Biography
Justine Gagnon, BSN, RN, CPN, earned her Bachelor of Science in Nursing from the University of Maryland in 2013, joined the Children’s National team as a nurse intern in 2012, and then begun her nursing career as a staff nurse in the Nurse Residency Program on the Surgical Care Unit in 2013. As a staff nurse on the Surgical Care Unit she earned her certification in Pediatric Nursing and was first introduced to the colorectal patient population. In 2018, Justine transitioned into a leadership role as a Shift Coordinator on the Surgical Care Unit. She now serves as a Clinical Nurse Coordinator for Colorectal & Pelvic Reconstruction at Children’s National. Justine is excited for the opportunity to improve care for pediatric colorectal patients in our nation’s capital and around the world.

Meghan Mesa BSN, RN, CPN
- Nurse Clinical Coordinator
Meghan Mesa BSN, RN, CPN
Locations
Languages
- English
Departments
Bio
Meghan Mesa, BSN, RN, CPN, has been a nurse at Children's National Hospital for 14 years, and is a Certified Pediatric Nurse. She graduated from Clemson University with a Bachelor's degree in Nursing in 2006. After graduation,Meghan began her career as a staff nurse at Children's National caring for post-operative surgical patients in the nurse residency program. In 2016, she transitioned to the Clinical Instructor position on the inpatient Surgical Care Unit where she remained until joining the Colorectal Center program in 2019 as one of our Clinical Nurse Coordinators. Meghan is excited to be a valuable part of the collaborative team and is passionate about caring for children with colorectal conditions.

Wendy Morales BSN, RN
- Nurse Clinical Coordinator
Wendy Morales BSN, RN
Locations
Languages
- English
Departments

Emily Rice BSN, RN, CPN
- Nurse Clinical Coordinator
Emily Rice BSN, RN, CPN
Languages
- English

Janel Talley MSN, RN, CPN
- Nurse Clinical Coordinator
Anesthesiologists

Giuliana Patricia Geng-Ramos, MD
- Medical Director, Pre-Operative Care Clinic and Post-Anesthesia Care Unit
- Anesthesiologist
Giuliana Patricia Geng-Ramos, MD
Locations
Departments

Sophie Rose Pestieau, MD
- Associate Chief, Clinical Affairs
- Medical Director, Center for Surgical Care
- Anesthesiologist
Sophie Rose Pestieau, MD
Locations
Departments
Pathologist
Amanda Theresa Calleroz, MD
Locations
Departments
Sam Paul Gulino, MD
Locations
Departments

Christopher Thomas Rossi, MD
- Medical Director, Anatomic Pathology
- Program Director, Pediatric Pathology Fellowship Program
Christopher Thomas Rossi, MD
Locations
Departments
Psychologists
Julie E Heier, PhD,MA
Locations
Departments
Radiologists
Bhupender Yadav, MD
Locations
Departments
Fellows

Rae Hanke MD
- Pediatric Surgical Fellow

Inbal Samuk MD
- Pediatric Surgical Fellow

Thomas Xu MD
- Colorectal Research Fellow
Surgical Coordinators

Shameka Boyd
- Surgical Coordinator

Esteli Chavez-Castillo
- Surgical Coordinator

Tamara Perkins
- Surgical Coordinator

Erika Sanchez
- Surgical Coordinator

Karla Velasquez
- Surgical Coordinator
Administrative Team

Sydney Atwell
- Program Associate

Candice Kenner
- Clinical Registration Specialist

Wendy Lee
- Surgical Coordinator

Ivon Martinez
- Program Coordinator

Cheery Vallarasan
- Clinical Registration Specialist

Jennifer Zeledon
- Program Associate
Child Life Specialist

Laura Gepford MS, CCLS
- Child Life Specialist

Laura Thackeray CCLS
- Child Life Specialist
Laura Thackeray CCLS
Locations
Languages
- English
Departments
Inpatient Care Team Professionals

Eliana Maldonado BSN, RN
- Nurse

Nicole Rainey RN
- Registered Nurse