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 earned his bachelor’s degree in biochemistry at Kansas State University, Manhattan, Kansas in 1996.  He then obtained a bachelor’s degree in the Physician Assistant program at Wichita State University, Wichita, Kansas in 1999.  He joined Heartland Dermatology in September 2007 after accruing nearly eight years of experience working as a physician assistant in the field of dermatology.

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.

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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5 convenient locations across Kansas.

SALINA OFFICE
785 827 2500
785 827 2515
828 Elmhurst
Salina, KS 67401

HAYS OFFICE
P 785 628 3231
785 628 3174
2707 Vine | STE 10
Hays, KS 67601

GREAT BEND OFFICE
P 620 792 3666
620 792 3667
1017-C Jackson Square
Great Bend, KS 67530

NEWTON OFFICE
P 316 282 8100
F 833 886 9695
700 Medical Center Dr.

STE 101, Newton, KS 67114

DODGE CITY OFFICE
P 620 225 8865
620 225 8866
2020 Central Avenue
Dodge City, KS 67801

Get In Touch

Thank you for visiting Heartland Dermatology! 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.

Office Hours

Salina Office Hours: 8:00AM to 5:00PM Monday thru Friday. Great Bend Office Hours: 8:00AM to 5:00PM Monday thru Thursday. Hays Office Hours: 8:00AM to 5:00PM Monday thru Thursday and 8:00AM thru 12:00PM on Friday. Newton Office Hours: 8:00AM to 4:00PM Monday & Thursday. Dodge City Office Hours: 8:00AM to 5:00PM Monday thru Thursday.

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