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Welcome to Little Steps Pediatrics. I am delighted you stopped by! I focus on promoting and protecting the health and well-being of children and their families in the greater Las Cruces region.



Meghan Robinson, PNP
Pediatric Nurse Practitioner

I have been in healthcare for 20+ years. Prior to becoming a pediatric nurse practitioner, I worked in various areas including; ER, Pediatric ICU, postpartum, and NICU.  In addition, I worked as a lactation consultant for several years. 

I would appreciate the opportunity to meet your family and participate in meeting your family's healthcare needs. 

Mark Swafford, FNP
Family Nurse Practitioner

Mark has over 25 years of experience in the healthcare field. He currently lives in El Paso, Texas.  He has most recently been working in pediatric and adult primary care. Mark received his master’s degree from the University of Texas, Arlington.

Mark, his wife, and his teenage son love the outdoors..

Mark welcomes new and existing patients and sees the care of his patients as a ‘team effort’ with their family, believing that together they can provide the best environment for his patients to grow up healthy and to live their very best lives!


Kristin Thornsberry, PNP
Pediatric Nurse Practitioner

Kristin has over 10 years of experience working in healthcare with pediatrics. She has been working in pediatric primary care for the past 7 years but previously worked in a pediatric emergency department. Kristin received her master's degree from Vanderbilt University in Nashville, Tennessee. 

Kristin currently lives in Las Cruces, New Mexico with her partner. They love rock climbing, hiking, diving, and traveling around the world together. Kristin is passionate about care that involves the family as a whole and looks forward to meeting your family!

Kim Smetzer, IBCLC
Lactation Consultant

Kimberly is an International Board Certified Lactation Consultant, (IBCLC)  Kimberly and her husband moved to Las Cruces in the summer of 2008. Since then, she has worked as a lactation consultant and nurse in a Las Cruces Hospital.  Kimberly has also worked as a clinical nurse consultant with New Mexico Breastfeeding Task force.

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Roseline Cherilus, FNP-C
Pediatric Nurse Practitioner

Roseline "Rosie" Cherilus FNP-C has been a practicing nurse practitioner in pediatrics for over 6 years. She joins this practice after working in TorC for five years.


Her favorite part of her job is education and supporting new parents. She lives in Las Cruces with her husband and two daughters. She graduated from South University located in Tampa, Florida. 

Dr. Krissa Vieth

Krissa is a dedicated and compassionate Doctor of Nursing Practice (DNP) specializing in pediatric care, with a focus on primary care (CPNP-PC). Krissa earned her DNP degree from Baylor University. Her doctoral research focused on increasing the awareness and identification of eating disorders in the adolescent population, demonstrating her commitment to advancing the field of pediatric healthcare.

With seven years of clinical experience, Krissa has honed her skills in diagnosing and treating a wide range of pediatric conditions, from routine wellness exams to acute illnesses. She is known for her ability to establish rapport with young patients and their families, creating a supportive and comforting environment. She is dedicated to staying current with the latest advancements in pediatric healthcare through continued education and professional development.

Outside of her professional responsibilities, Krissa enjoys spending time with her husband and three young children, playing outside, or going hiking.  


Kanisha BlancoOffice Manager

Kanisha has worked in the medical field for over 8 years. She started as a receptionist then workedtowards her phlebotomy and medical assistant certifications. She has worked as a pediatric officemanager for a total of 3 years.


She enjoys working with kids and strives to make sure the office runs smoothly while ensuring it is a funsafe environment for children.Kanisha was born and raised in Las Cruces, NM. When she is not in the office you can find her at her kidssporting events with her husband and 3 kids.

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