Meet our Providers


h28Matthew P. Shaffer, MD

Dr. Matthew Shaffer grew up in Salina, KS, and graduated from Salina Central High School in 1988.  He earned his BA degree in Biology and Chemistry at the University of Kansas, Lawrence, Kansas in 1993.  He earned his MD at the University of Kansas School of Medicine, Kansas City, Kansas in 2000 and completed his internship at the University of Kansas School of Medicine in 2001.  Dr. Shaffer completed his dermatology training at the University of Iowa Hospitals and Clinics, Iowa City, Iowa in 2004.  His residency included training in dermatopathology. Dr. Shaffer is also a Clinical Assistant Professor, at The University of Kansas School of Medicine-Wichita, Department of Family and Community Medicine, as well as a Clinical Assistant Professor and Dermatology Lead Preceptor, University of Kansas School of Medicine.

Timothy Cornitius, MD

Dr. Timothy Cornitius has provided quality dermatologic care for patients in Southwest Kansas for the past 25 years and is looking forward to continuing that quality care with Heartland Dermatology. Dr. Cornitius graduated with honors from Texas Tech University Health Science Center School of Medicine in 1985. He then completed his internship at Methodist Central Hospital in Dallas, Texas. Dr. Cornitius completed his dermatology residency training in Lubbock, Texas at Texas Tech University Health Sciences Center.  After practicing in Greenville, Texas, he and his wife relocated to Dodge City, Kansas, to raise their two beautiful children.  He joined the Dodge City Medical Center in 1993 and has enjoyed building great relationships with his patients over the years.

h29Kayla Dortland, APRN-C, DNC

Kayla Dortland earned her BSN from Fort Hays State University, Hays, Kansas in 1993.  She worked as a registered nurse at St. Mary’s Hospital in Manhattan, Kansas and Russell Regional Hospital.   In 1999, she completed her master’s degree in the Family Nurse Practitioner program at Fort Hays State University.  After completing her master’s degree, she worked in the Family Health Care Clinic of Hays Medical Center and was an assistant professor at Fort Hays State University.  She joined Heartland Dermatology in 2000 and became nationally certified in dermatology nursing by the Dermatology Nurses Association in 2002.

h30Rita Stueder, APRN, DNC

Rita Stueder began working at Heartland Dermatology in March 1985 just before she completed her BSN at Fort Hays State University, Hays, Kansas. She earned her master’s degree in the Family Nurse Practitioner program from Fort Hays State University in 2002. She has been nationally certified in dermatology nursing by the Dermatology Nurses Association since 2000.

h31Sean Hull, PA-C

Sean Hull has worked in dermatology for nearly 20 years and is very passionate about providing excellent patient care. He graduated from Wichita State University Physician Assistant program in 1999 and spent his first year practicing dermatology in Wichita, Kansas. Sean then relocated to Whidbey Island, Washington in 2000, where he continued to work in the field of dermatology. In 2007, Sean joined Heartland Dermatology, and for the last 11 years he has enjoyed caring for patients in Salina, Kansas. At Heartland Dermatology, Sean performs cosmetic procedures such as Botox, injectable fillers, chemical peels, microneedling with PRP, and Kybella as well as seeing patients for the diagnosis and treatment of skin cancer and other skin related conditions and diseases. Sean lives in Salina with his wife, five children, and two grandchildren. Sean’s goal when treating his patients is to care for each patient as if they were a family member.

h33Tara Gillespie, APRN-C, DNC

Tara is a member of and certified through the AANP (American Association of Nurse Practitioners) and the DNA (Dermatology Nurses Association). Since joining Heartland Dermatology in 2004, she has completed her Masters in Science from The University of Kansas Medical Center through the Adult-Gerontology Nurse Practitioner program. Tara has worked at Heartland Dermatology as a Nurse Practitioner since completing her advanced degree in August 2015. Her focus will be on general dermatology concerns as well as cosmetic dermatology. Tara will be seeing patients in an outreach clinic in Norton, KS on a monthly basis.

Amy Avant, APRN-BC

Amy joined the Heartland Dermatology team in November 2017. She earned her Bachelor of Science in Nursing from The University of Kansas in 2009, and worked as a registered nurse at Children’s Mercy Hospital in Kansas City for six years. She completed her Master of Science in Nursing from The University of Kansas in 2015. After graduation, Amy obtained her board certification as a Family Nurse Practitioner through the American Nurses Credentialing Center. She is currently a member of the Dermatology Nurses Association and American Association of Nurse Practitioners. She has prior experience in both medical, and cosmetic dermatology. Amy is very passionate about the field of dermatology and looks forward to providing comprehensive skincare to patients of all ages. 

Shelly Keesling, PA-C

Shelly recently joined Heartland Dermatology after spending the past three years practicing Dermatology in Southwest Kansas.  She received a Bachelor of Health Science from Friends University in 2012. She then earned her Master of Physician Assistant from Wichita State University in 2014. Shelly diagnoses and treats diseases of the skin, hair and nails, and performs surgeries such as excisions of lesions and various skin cancers. She is NCCPA certified and is an active member of the Kansas Academy of Physician Assistants and the American Academy of Physician Assistants.

Brianna Quinley, APRN-C

Brianna Quinley grew up in Salina, Kansas and graduated from Salina South High School. She earned her bachelor’s degree in nursing from Wichita State University in 2012 and worked as a registered nurse in the emergency and trauma department for 6 years. She then earned her Masters of Science in Nursing from Graceland University, completing the Family Nurse Practitioner Program. Brianna has worked at Heartland Dermatology since completing her advanced degree in 2018. She has received her board certification through the American Academy of Nurse Practitioners and is a member of AANP. She looks forward to providing comprehensive skincare to patients of all ages in Salina and the surrounding areas.

Mary Kate McKee, PA-C

Mary Kate McKee is a native of Salina, Kansas, and graduated from Sacred Heart Jr./Sr. High School in 2006.  She earned a Bachelor of Science degree in Health and Human Performance, Health Promotion from Fort Hays State University, Hays, Kansas, in 2010 and a Master of Science degree in Physician Assistant Studies from Western University of Health Sciences, Pomona, California, in 2014. Kate completed her clinical rotations in Orange County, California, before returning to her home town where she worked as a physician assistant in neurosurgery for three and a half years.  Kate joined Heartland Dermatology in April 2018.  She is board certified by the NCCPA and a member of the AAPA (American Academy of Physician Assistants) and SDPA (Society of Dermatology Physician Assistants).

Start your journey.


We are standing by to help you achieve your unique skin goals. Please contact us using our contact form, or give us a call at any one of our 5 locations in Salina, Hays, Great Bend, Newton & Dodge City.

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