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A Simple Story About
Exceptional Health Care And Compassionate Service

As pediatricians we practice the specialty of medical science concerned with the physical, emotional and social health of your children from birth to young adulthood. Pediatric care encompasses a broad spectrum of health services and we plan to help your family through all of your needs.
Contact Us
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Visit Our Office
96 Wadsworth Blvd
Suite 100
Lakewood, CO 80226

Dr. Robert Johannes

“Our mission is to improve the health of our community by providing high quality, comprehensive medical care in a welcoming & compassionate environment. “
  • Over 24 years in service
  • Trusted pediatricians across 20+ specialties
  • On-call 24/7 nurse availability
  • Award-winning practice management
  • In the mission of improving health
  • Personal guidance on your children's health
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Satisfied Patients
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Family Appointments
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Over 10+

Certified Experts
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medical team

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Our Healthcare Specialists

Stephanie Harris, MD FAAP
Dr. Harris is a board-certified pediatrician that joined the team in 1996 after completing her residency at Stanford University. A midwestern native, she earned both her undergraduate and medical degree at the University of Iowa. She is married and has four children, and enjoys hiking, skiing, cooking, and travelling.
Robert Johannes, MD FAAP
"Dr. Bob" is a board-certified pediatrician, joining the team in 1995. He received his undergraduate at CSU in microbiology, while earning his medical degree and residency training at the University of Colorado where he is currently a clinical professor. He is married and has two children, and enjoys woodworking, computers, hiking, off-roading and photography.
Catherine Daley, MD FAAP
Dr. Daley is a board-certified pediatrician that joined the team in 2000 after completing her residency at The Children's Hospital in Denver, CO. She studied at George Washington Medical School and received her undergraduate degree in chemistry from James Madison University in Virginia. She is married and has two children, and enjoys travelling, hiking, cooking, and reading.
Katrina Mierkey, CPNP
Katrina is a board-certified Pediatric Nurse Practitioner (PNP) and a Colorado native. She completed her Bachelor of Nursing at Regis University in Denver. Katrina worked as a nurse on the pulmonary medicine unit at The University of Colorado for a year before moving to Saint Louis, MO. There she worked in the Pediatric Intensive Care Unit at Saint Louis Children's Hospital for six years. While in St. Louis, Katrina received her Master of Science in Nursing at Saint Louis University. Upon graduating, Katrina moved back to her hometown of Colorado Springs for a PNP position before joining us in 2022. Katrina loves adventuring, reading, music, cats, scuba diving, hiking, medical mission trips, and traveling.
Lindsey Rem, PA-C
Lindsey joined our practice in 2015.  She earned her undergraduate degree in Pre-professional Studies and Anthropology at the University of Notre Dame and then earned her Master of Medical Science in Physician Assistant Studies at Midwestern University in Chicago in 2008.  Originally from the Denver area, she moved home after graduating and worked in family medicine for six years prior to joining Kids First. Lindsey is married with 2 daughters.  She loves to run, ski, hike and read.
Erin Lucas, PA-C
Erin joined our practice in 2018.  She earned her undergraduate degree in Biology before graduating from the University of Oklahoma Physician Assistant Program in 2009.  Erin then spent four years working in Pediatric Hematology/Oncology at The Children's Hospital in Oklahoma City, followed by further experience in Pediatric Psychiatry and Pediatric Urgent Care.  She moved to Colorado in 2018 with her husband, Larry and twin girls.  She enjoys hiking, gardening and playing the violin.
Brittany Wood, PA-C
Brittany received a Bachelor of Science in Biology from CU Denver and is a proud Colorado native. She also received her Master's Degree from St. Francis University in Loretta, Pennsylvania and attended the Red Rocks PA program in Lakewood, CO. She loves working with infants, new parents and adolescents. In her free time, she enjoys reading, skiing, camping, and spending time with her husband and son.
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Professional Appointments
With Our Board Certified Team