Panda Pediatrics

We exist to provide quality and compassionate health care to all children & adolescents in Lawrence and surrounding areas – focusing on integrated, patient-centered care.

As part of the Heartland Community Health Center Family, Panda Pediatrics accepts all patients regardless of income or insurance status.

We’re there when you need us, we have a physician on call 24-hours-a-day and a nurse triage line for all of your questions.

Heartland @ Panda Pediatrics


Panda Pediatrics Lawrence Kansas building exterior pediatrician office newborn doctor child doctor primary care


Primary Care

Our pediatricians provide high quality primary care for newborns to teenagers – evaluating physical, mental, emotional and social development

Pediatric Dentistry

  • Dental and oral health care including cleaning, x-rays, fluoride, fillings, sealants, and extractions


Mental & Behavioral Health

  • Mental and behavioral health services such as treatment of anxiety, depression, ADHD, Play Therapy, and more, as part of a whole-person treatment plan


Pharmacy & Medication Assistance


Healthy Futures

  • Community-based program that brings free comprehensive dental care to area schools


A Compass Project

  • Insurance eligibility assistance

Integrated Care at Heartland

Patients of Panda Pediatrics, along with their entire family, get access to Heartland’s full-service Health Center.

Family Medicine, Mental & Behavioral Health, Dentistry, Pharmacy, Medicaid/Medicare Assistance,  Care Cupboard Food Pantry, and more at Heartland Community Health Center

Pediatricians and Providers

Dr. Whitney Heartland Health @ Panda Pediatrics

Dr. Whitney

Pediatric MD

Dr. Krista Whitney is one of our most skilled physicians and heads our pediatrics team at Panda. She trained at Washington University in St. Louis for her doctorate and gained her pediatric specialty training at the University of Texas Southwestern in Dallas, Texas. After residency, she was elected to the prestigious Chief Resident position for her final year of training. As if that were not impressive enough, she’s a published researcher, speaks Spanish, and has an interest for public health and prevention.

Dr. Whitney, since working at Panda, has presented to the American Academy of Pediatrics ECHO program, a national tele-mentoring group for other physicians, on our COVID-19 safety measures, showing how much she cares for families and public health. In short, she’s a fantastic doctor and our clinic and the community at large is lucky to have her her.

Dr. Kelley Heartland Health @ Panda Pediatrics

Dr. Kelley

Pediatric MD

Dr. Marshall Kelley became a partner in Panda Pediatrics in 1994.  He moved to Lawrence from Salina, Kansas where he completed a 4-year rural healthcare program after graduating from the University of Kansas School of Medicine and completed his residency and internship at Children’s Mercy Hospital in Kansas City. As an undergraduate at the University of Kansas, Marshall was in the School of Pharmacy and was a varsity member of the KU Men’s Gymnastics team.  His record for high bar can still be seen in the Booth Hall of Athletics. 

Dr. Kelley loves to interact with families and help guide them through their child’s growth and development.  With studies showing 1 in 8 kids have ADHD, it gives him much gratification to provide patients and parents the tools needed to optimize academic and life success.  Dr. Kelley thrives in the world of computers and for 20 years has been committed to keeping the practice on the cutting edge of technology.

Dr. Kelley is a credentialed member of the Lawrence Memorial Hospital Department of Pediatrics and has served on the board of directors for Douglas County CASA (Court Appointment Special Advocates), TinyK, and The Children’s Shelter. In his spare time, Dr. Kelley enjoys the art of woodworking. Many of Marshall’s woodworking projects have been donated to these organizations for their annual fundraisers.  Dr. Kelley has been married for over 20 years to Beth and they enjoy time with their 5 children and 7 grandchildren. 

Dr. Poull Heartland Health @ Panda Pediatrics

Dr. Poull

Pediatric MD

Accepting New Patients

Dr. Lauren Poull is a Jayhawk, completing her pre-medical and medical training at Kansas University in 2014, she then went on to complete her residency at the prestigious Seattle Children’s Hospital in 2018.  She is certified through the Pediatric Board and is a fellow of the American Academy of Pediatrics.  

Dr. Poull was raised first in California and then in Kansas; her father is a master plumber, and her mother is a pediatric nurse.  As a child she could be found reading a book on the playground, rehearsing with SYT at the Lawrence Arts Center, or in ballet class.  After graduating from Lawrence High School Dr. Poull earned her undergraduate degree in Filmmaking from Boston University and studied abroad both in London and in Sydney.

Dr. Poull has interest in preventative and integrative medicine with a focus on nutrition.  She is continuing her education by studying to improve her French language skills.  When not in clinic you can find her in her garden, at the Lawrence Farmers Market, or cheering for her kids’ soccer teams.

In clinic she is focused on getting to know each child and family and on reducing stress and anxiety related to office visits or minor medical procedures.  Her research is focused on workplace wellbeing.

Dr. Lauren Poull resides in Lawrence with her husband Gabe Lewis-O’Connor, and their children Eamon and Celia. 

Maggie Williams Provider

Maggie Williams

Pediatric Nurse Practitioner

Maggie Williams is one of our pediatric nurse practitioners.  She was born and raised in Tonganoxie, Kansas, but also spent a lot of her time in Lawrence growing up. 

She attended the University of Kansas School of Nursing, where she graduated in the top 5% of her class.  She subsequently moved to Houston, where she started her career at Texas Children’s Hospital on their pediatric hematology and oncology unit. 

Maggie returned to Kansas and continued her nursing career at Children’s Mercy while she obtained her pediatric nurse practitioner degree from Maryville University.  Maggie is married to her high school sweetheart, Ben.  In their free time, they enjoy walking their dog, Whit, and cheering on the Jayhawks.


Pediatric Primary Care Provider

Dr. Goodnight Heartland Health @ Panda Pediatrics

Dr. Goodnight

Pediatric MD

Dr. Waco Goodnight joined this practice in September 2013.  Dr. Goodnight attended The University of Kansas for both his undergraduate degrees in Biology and Chemistry and for medical school.  He completed his residency at Phoenix Children’s Hospital in Arizona.  He is certified through the Pediatric Board and is a fellow of the American Academy of Pediatrics.  

Dr. Goodnight was raised in southwest Kansas; his father is a farmer and rancher, his mother a nurse.  His experience with rural medicine has increased his interest in telemedicine as a way to increase quality of care for populations when pediatricians are not within reach.  Dr. Goodnight also has a special interest in advanced electronic exam devices and charting methods.  He believes that by utilizing all that modern medical technology has to offer, we can treat patients better and more efficiently than ever before.    

Dr. Goodnight is continuing his education by studying to improve his Spanish language skills and by learning more about computer programming.  Dr. Goodnight loves to watch movies, play video games, read comic books, and enjoys riding bikes with his family.  His heroes are Einstein, Edison, and Peter Parker (Spiderman). 

Dr. Waco Goodnight resides in Lawrence with his wife Dr. Katy Lynch, and their children Bode, Blake, Maddie and Mia.

Dr. Rundquist Heartland Health @ Panda Pediatrics

Dr. Rundquist

Pediatric MD

Dr. Beth Rundquist has been practicing medicine in the Lawrence community since 1988. She earned a B.A. in Chemistry from Bethany College, then attended the University of Kansas School of Medicine, and completed her pediatric residency there in 1988. She is proud to be a Kansan and blessed to be a Jayhawk! 

Dr. Rundquist’s friendly disposition and personal approach with infants and children has endeared her to countless young people who continue to confide in her throughout their teen and college years. She strives to address acute and chronic illness in the realm of well care by encouraging healthy life habits and by paying close attention to development and emotional well-being. Her priority is to help children and families develop into healthy, productive members of our community. 

Dr. Rundquist is certified through the Pediatric Board and is a fellow of the American Academy of Pediatrics. She is also a member of the Kansas Medical Society and the Douglas County Medical Society. As with all of our physicians, she is a member of the Lawrence Memorial Hospital Department of Pediatrics.  

Dr. Rundquist is married and the mother of two very active, non-smoking, helmet wearing, seat-belt clicking, fully immunized young adults.  For more than 10 years, she has bravely fought breast cancer and emerged with renewed strength of faith and passion for life!  She enjoys baking, gardening, dark chocolate, Diet Coke and has earned T-Shirts at Red Dog’s Dog Days for more than ten years.  She is passionate about the arts and children’s literature, frequents our local art galleries and theaters, and never misses the Walnut Valley Music Festival in Winfield. 

Dr. Vandervelde

Dr. VanderVelde

Pediatric MD

Accepting New Patients

Dr. Katie VanderVelde joined our practice in January of 2022. She earned a B.A. in Biochemistry from the University of Kansas. Following graduation, she served as an AmeriCorps volunteer at Heartland in its early stages running the Women’s Health Initiative Program prior to attending medical school at the University of Kansas School of Medicine.

Dr. VanderVelde completed her General Pediatrics residency training at Phoenix Children’s Hospital where she was selected to serve as a Chief Resident. She completed a 3-year fellowship in Pediatric Infectious Diseases at Children’s Mercy Hospital in Kansas City in 2021 prior to moving to Lawrence. Her fellowship research projects were targeted at the diagnosis and management of pediatric antibiotic allergies, improving medical education feedback methods, and implementation of immunizations in the pediatric emergency department.

Dr. VanderVelde is certified through the American Board of Pediatrics and is a fellow of the American Academy of Pediatrics (AAP). She is a member of the AAP Section on Infectious Diseases where she serves on the Education Committee. She considers herself a lifelong learner and is currently completing her Masters in Public Health through the University of Kansas School of Medicine.

Dr. VanderVelde is married, and she has three daughters (two of which are twins!) – who she credits as her most influential teachers throughout her pediatric career.

Cindy Mast

Cindy Mast

Pediatric Physician Assistant

Cynthia Mast, Physician Assistant-Certified, has been with Panda Pediatrics since 2003. She was a 1996 graduate of Lawrence High School and went on to study Human Biology at the University of Kansas. She graduated from KU in 2000 and completed Physician Assistant Studies at Wichita State in 2002. Cindy is certified with the National Commission on Certification of Physician Assistants.

The patients and staff of Panda Pediatrics love Cindy’s youthful energy, compassion and sense of humor. She strives to address illness with attention to the overall health and lifestyle of the patients. Cindy sets a good example of wellness and fitness as an active runner with a history of participation in marathons and cross-country throughout school. Cindy is active with her church and enjoys being outdoors. She and her husband have four beautiful children.


Pediatric Primary Care Provider

Walk-In Clinic

Open every week day, Panda Pediatrics is the only walk-in clinic specializing exclusively in pediatric care in Lawrence. 

Established patients can visit the walk-in clinic for non-emergent sick symptoms such as: ear infections, fever, cough, respiratory symptoms, vomiting and diarrhea.

The walk-in clinic is located at 1803 W 6th Street and is open to patients from 8am – 10am, and 1pm – 3pm, Monday – Friday.

On-Call and After Hours Service

After hours, patients can take advantage of our on-call service by calling  (785-842-4477)After calling, you will be directed to the On-Call Physician or, in some instances, the Children’s Mercy Hospital Nurse Triage line. 

The CMH triage nurses are pediatric nurses with extensive training who will help answer your questions, or direct you to an after hours provider, should your child require one immediately. 


Panda Pediatrics waiting room

Medical Resources

Access links to important pediatric health and wellness information below. Resources include symptom checker from American Academy of Pediatrics, Car Seat Safety tips from The National Highway Traffic Safety Administration, and more.  


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Our practice has won the “Best of Lawrence” community vote since 2013. We are also a 5-star Kansas Breastfeeding Friendly Practice.