Meet our staff


Waco Goodnight

MD, Chief Medical Officer

Dr. Waco Goodnight joined this practice in September 2013.  He 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 care providers are not within reach.  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 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. Luke Mueller was born and raised in St. Louis, Mo and is a graduate of the University of Kansas and University of Kansas Medical School. A story especially touching to Heartland, Dr. Mueller decided to pursue a career in medicine after volunteering at Heartland ten years ago. Dr. Mueller volunteered for three years at Heartland before entering medical school and later completed his residency at Via Christi in Wichita, KS, with an emphasis on family practice. Always interested in growing and improving his relationships with his patients, Dr. Mueller believes that the more he understands about where a person is coming from, the more beneficial and meaningful his treatment and advice can be. Dr. Mueller is married to Heartland PA, Rosie Mueller, and the two share a goal of serving the community they love and call home.

A.J. Strickland


Dr. Strickland joined the Heartland team in 2015. He provides compassionate, comprehensive, patient-centered health care to patients at every stage of life. Dr. Strickland is also passionate about advancing substance abuse treatment and transgender health in our community. After receiving a bachelor of arts at the University of Kansas in Human Biology and minor in French Language and Culture, he attended medical school at the University of Kansas School of Medicine. Dr. Strickland then completed his residency in Family Medicine at the University of Nebraska Medical Center where he served as the Chief Resident before joining us at Heartland. When he’s not advancing the health of the Lawrence community, Dr. Strickland enjoys fishing, kayaking, and traveling with his wife Aniesa and their dog Hank.

Cooper Nickel


Born in Lawrence, KS and raised in Lindsborg, KS, Dr. Cooper Nickel is now excited to start his medical career at Heartland Community Health Center. Dr. Nickel attended the University of Kansas where he studied Human Biology, and then went on to The University of Kansas School of Medicine where he complete Medical School. Soon after, he completed his residency program at Smoky Hill Family Medicine in Salina, KS and specialized in Family Medicine. While there, Dr. Nickel was awarded the Scholarly Activity award for his advocacy for Family Medicine and was very involved with KAFP-Kansas Academy of Family Physicians and served on their Board of Directors while a resident. Dr. Nickel has specific medical interests in ultrasound, preventative medicine, wellness, and procedures. Dr. Nickel enjoys gourmet cooking, spending time with his wife and 2-year-old son, Charlie, traveling, bicycling, and gardening. 

Lisa Russell


Lisa is a Lawrence native who realized in high school that she had a passion for health care. She has her bachelor’s and master’s in nursing from Washburn University. Prior to joining Heartland, Lisa worked in the labor and delivery and emergency departments at a rural hospital. Away from work Lisa enjoys watching the Royals, playing softball, and running. She loves her job because she enjoys helping people make healthy changes in their lives. Lisa and her husband live in Lone Star with their dog, three cats, and several chickens.



Rosie Mueller, PA, joins Heartland with two years of experience as a practicing PA. Rosie was born in Topeka, KS and moved to Lawrence at the age of 10, where she graduated from Lawrence Freestate High School and attended the University of Kansas for undergraduate studies. Since her youth, Rosie has had a fascination with science. While in high school, she discovered that healthcare could be a way to combine her interest in science with her love of helping people. Still today, working in healthcare feels like a calling to her, giving Rosie the opportunity to meet many different people while also serving the community.  Ultimately, Rosie enjoys helping patients understand their health. As a Division 1 collegiate softball player and National Honor Society nominee in PA school, Rosie has always demonstrated the ability to lead and achieve. Outside of the clinic, Rosie and her husband love any chance to get outside or out in the community, from walking their dog, Millie, to fly fishing and serving their church. 



Born and raised in Ottawa, Kansas, Heather frequented Lawrence often as a child. She has always had a love and interest for this community, and now officially calls Lawrence home with her husband, three children, and two dogs. Heather’s professional background is in emergency medicine, from which she was a paramedic prior to my nursing degree. As a nurse, Heather’s time was spent in emergency departments, including the ED at Lawrence Memorial Hospital. From gaining experience in critical care, she has learned the value of preventative medicine and patient education necessary for health promotion. Helping her patients to better care for themselves for a greater quality of life is her purpose. In her spare time she enjoys traveling, exercising, cooking, house projects, woodworking, watching and attending sporting events.




Originally from Louisburg, Kansas, Andrea and is a Cum Laude graduate of the Nursing School and Nurse Practitioner School at Research College of Nursing in Kansas City, MO. During her time in school, Andrea was inducted into the Nursing Honor Society, Sigma Theta Tau International and deepened her passion for caring for others. Andrea is thrilled to join the Heartland team and support the mission of providing care for all in the Lawrence community. Andrea enjoys spending time with her husband, Brian, and twin daughters, traveling to new places, and being outdoors at their lake house in the Ozarks and playing with her  year-old English Springer Spaniel named Ellie. She is exceptional proud of both of her daughters as currently attend Nursing School at KU Med in Kansas City, KS. Andre often credits her husband, Brian, a Physician Assistant, as the reason she finally became a medical provider. 



Clare grew up in rural North Central Kansas on a fruit and vegetable farm in a little town name Courtland. One of seven children, Clare spent her time working with her family on the farm until attending college at Creighton University where she earned co-majors in English and Spanish. Clare later attended Nursing School at New Mexico State University and has experience working as an emergency room nurse near the US Mexico Border. Clare moved back to Kansas from New Mexico in 2021 to be closer to family and finished her Masters in Nursing at KU and began her career as a Nurse Practitioner at safety-clinic, Health Care Access, in Lawrence 2014. Clare enjoys running, gardening, baking, and spending time with her family. Clare is married to Kyle and has three children, Delcan 10, Evie 6, and Jude 4, and currently lives on a farm south of Lawrence that includes six chickens, one dog, and one cat.



LSCSW, Behavioral Health

Cyndi is a behavioral health consultant, originally from Kansas City, KS. Cyndi spent 21 years with the Kansas Department of Health and Environment and became a big believer in the integrated care model that clinics like Heartland offer. Her favorite part of the work she does is that she gets to serve her community. Cyndi is also an adjunct professor in KU’s School of Social Welfare. She is bilingual and enjoys traveling in Latin America.


LSCSW, Behavioral Health

Recently returning back to Lawrence, KS from Evergreen, CO, Alex is excited to provide care as a behavioral health consultant in our community. Alex received both her Bachelors and Masters degree in Social Work from Washburn University. Prior to joining Heartland’s team, Alex was an Integrated Behavioral Health Consultant for Centura Health and spent years as an emergency department social worker at Denver Health. Alex has always loved being able to help others recognize the strengths they have and improve their quality of life. In Alex’s spare time, she lives spending time with her family, husband, and two dogs. Alex enjoys snowboarding when able, playing tennis, and watching sports.


LMSW, Behavioral Health

A graduate of the KU School of Social Welfare, Jenny is thrilled to join this dynamic team at Heartland.  Jenny previously served as a Case Manager at the Lawrence Community Shelter and is passionate about increasing access to care for people experiencing homelessness. She is highly motivated to increase social equity and challenge injustice for people experiencing systemic oppression and is continuously working to cultivate a practice that is Gender-affirming, Queer-affirming, anti-racist, and anti-ableist.  Jenny believes that access to quality mental health care is a basic human right and is honored to be able to provide this service within her community.  In her spare time, Jenny enjoys weaving, kayaking, gardening, snuggling with her dog, Richard, and spending time with her partner, family, and friends.

Nana Dadson

MD, Psychiatrist

Dr. Nana Dadson joined Heartland as a child and adolescent psychiatrist. She grew up on the lower Eastern Shore of Maryland. While studying to become a school teacher, her experiences as a volunteer caused her to realize that she wanted to spend her life helping children and families with mental health challenges. After attending Morgan State University and continuing her medical education at Tufts University School of Medicine, Dr. Dadson completed her residency in general psychiatry at the George Washington University Medical Center. She has also been a fellow at Children’s National Medical Center in Washington, DC. Dr. Dadson has spent more than 20 years in psychiatry, working in the US Navy and private practices. When she’s not working, Dr. Dadson enjoys spending time with her family, walking with her beagle, exercising, playing piano and writing.


DDS, Chief Dental Officer

Hailing from Waterloo, Iowa and a graduate of University of Iowa College of Dentistry, Dr. Mollie Day, DDS brings 14 years of dental care experience to Heartland. Before arriving here, Dr. Day spent several years working at a Federally Qualified Health Center in the Kansas City metro area, where she built a robust dental program that included strong emphasis on outreach to children. Dr. Day first became interested in health sciences because of the creative teaching of her high school biology teacher. Now, Dr. Day loves her job because she loves to serve others and help them with dental needs that might otherwise go untreated, especially when this care helps a child overcome a fear and complete treatment. Her goal is to grow dental services at Heartland to reach more people in our community. When she is not leading the dental department at Heartland, Dr. Day likes to spend time with her husband and two daughters, as well as go hiking and do puzzles. She is the recipient of the Oral Health Kansas Dentist of the Year award for 2015.



Dr. Jeremiah Bell, DDS, joined Heartland in January 2018 as a member of our dental team. Dr. Bell received his Bachelor’s degree from the University of Tennessee before attending the University of Missouri, where he received his PhD in Immunology. Dr. Bell attained his DDS degree from the University of Missouri-Kansas City’s School of Dentistry. Dentistry allows Dr. Bell to have one-on-one interaction with patients, while helping to improve their overall health. In his spare time, Dr. Bell enjoys golfing and he can often be found enjoying a nice book. 



Dr. Brianne Koester worked for the Douglas County Dental Clinic as a staff dentist for 2 years before coming over to Heartland Community Health Center. But Brianne actually worked for DCDC for much longer in other capacities!  She came to DCDC in 2008 as an AmeriCorps Member and after her year of services she joined DCDC staff and helped with case management for families with children and helped to build DCDC’s school-based dental outreach program.  This is when Brianne saw firsthand, the great need for access to dental care for the underserved and decided she wanted to be part of the solution!  Brianne had previously completed her undergraduate degree at KU and decided to go back to school to complete necessary prerequisites to apply to dental school.  Dr. Koester completed her Doctor of Dental Surgery degree from the University of Missouri, Kansas City Dental School in 2018.  Brianne is passionate about public health and educating her patients.  She lives in North Lawrence with her partner, Matt and they love to garden, raise chickens, and enjoy spending time with their pup, Mabel.