Our Staff

Our Staff

Our Staff

All our professionals at Skin Care Center of Southern Illinois maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in dermatology.

George T. Nahass, MD, Board Certified Dermatologist / DermatopathologistGeorge T. Nahass, MD, Board Certified Dermatologist / Dermatopathologist

Dr. George T. Nahass is a Board Certified Dermatologist and Dermatopathologist who specializes in the diagnosis and treatment of all skin diseases, including skin cancers, acne, psoriasis, warts, rashes, and eczema to name a few. Dr. Nahass was valedictorian of the 1981 class of Rutgers University School of Pharmacy. He graduated from the University of Pennsylvania School of Medicine in 1988 and then completed a 3 year residency in Internal Medicine at the Hospital of the University of Pennsylvania. He completed his 3 year residency in Dermatology at the University of Miami/Jackson Memorial Hospital in 1992 and joined the faculty at St. Louis in July of 1992 where he worked for 10 years. While at SLU, he completed an additional fellowship in Dermatopathology.

Dr. Nahass has received many honors including the Ernest Little Award for outstanding student at Rutgers College of Pharmacy in 1981; Alpha Omega at the University of Pennsylvania School of Medicine in 1985; and the Louis R. Dinon Award for excellence in teaching in 1987.

Dr. Nahass has authored or co-authored over 45 medical publications and has been an invited guest to speak at numerous lectures during his medical career.

Amy Stevens, APC

Amy Stevens joined the Skin Care Center of Southern Illinois in 2021, bringing over 18 years of experience as a certified physician assistant in primary care. Amy comes with a diverse background including education at Kaskaskia College, Mayo Clinic, Washington University in St. Louis, and ultimately her Physician Assistant in Medical Sciences degree at Saint Louis University in 2002, graduating summa cum laude. Amy is an active member of her home community of Nashville, IL and prides herself in offering compassionate and quality care to her patients. Amy is accepting new adult and pediatric patients for the diagnosis and treatment of all conditions of the hair, skin and nails.



Natalie Amason, NP-CNatalie Amason, NP-C

Natalie Amason has been a Certified Family Nurse Practitioner since 2014 and has extensive knowledge of medical and cosmetic dermatology. She is passionate about providing individualized, high quality, evidence-based care to her patients and continually pursues both professional development and continuing education opportunities.

Along with her experience in medical dermatology Natalie has extensive knowledge of aesthetic procedures including BOTOX®, Dysport®, Xeomin®, KYBELLA®, Juvederm® and Restylane® dermal fillers and neurotoxins.

Natalie received her bachelor’s and master’s degree in nursing from the University of Colorado, Denver. She is also a proud graduate of Kaskaskia College’s associate degree nursing program and is certified by the American Academy of Nurse Practitioners.

She is accepting new adult and pediatric patients for medical, general, and cosmetic dermatology.

Tina Hall, NP-C

Tina Hall, NP-C

Tina Hall, Certified Family Nurse Practitioner, received her Master of Science in Nursing in 2018 from Maryville University, St. Louis, Missouri, and she received her Bachelor of Science in Nursing from Southern Illinois University in 2015. Tina’s experience as a surgical nurse and in working with critical care, dementia, and hospice patients has taught her to be a compassionate and considerate provider, always making her patients’ comfort, care, health, and privacy a top priority.

Tina has been at Skin Care Center of Southern Illinois as a medical dermatology nurse since 2014 and was trained as a cosmetic dermatology nurse in 2018. She provides injectable wrinkle treatments, including BOTOX®, Dysport®, Xeomin®, dermal fillers, including Juvederm®, Radiesse®, Belotero®, and Restylane®, and laser procedures. Tina is accepting new adult and pediatric patients for general, medical, and cosmetic dermatology.


Dr. Kelly MacArthur

Dr. Kelly MacArthur, MD, Board Certified Mohs Surgeon

Dr. MacArthur is an Ivy League fellowship-trained Mohs micrographic surgeon. She specializes in skin cancer surgery with reconstruction and procedural dermatology. A St. Louis native, she received her undergraduate degree from Washington University in St. Louis where she was a two-time NCAA All-American in swimming. She earned her MD degree from the University of Missouri-Columbia. A recipient of a year-long NIH T32 oncology research fellowship, she investigated circulating tumor cells, developing and validating a novel protocol to detect them in patients. Dr. MacArthur piloted three prospective clinical studies with her work culminating in multiple national presentations and first-authored publications in top oncology journals, including Cancer Research and Cancer.


Dr. Robert Schnietz, MD, FAAD

Dr. Robert Schnietz, MD, FAAD, Board Certified Dermatologist

Robert Schnietz, MD, FAAD is a board-certified dermatologist who specializes in general and surgical dermatology. He has special interests in the management and treatment of skin cancer, acne, rosacea, eczema, and psoriasis. He finds dermatology to be very rewarding as it can have a huge impact on his patients’ health and self-esteem. Dr. Schnietz prides himself on being accessible to his patients and practicing with their best interests in mind.




Dr Michael Gowen - Skin Care Center of Southern IL

Dr. Michael Gowen, MD, Board Certified Dermatologist

Dr. Michael F. Gowen is a dermatologist who specializes in all things skin.  He will diagnose and treat all skin disease, provide cutaneous surgery for skin cancer including Mohs, plus enhance patient’s aesthetics with cosmetic dermatology services.

Dr. Gowen completed his undergraduate degree in Neuroscience from the University of Pittsburgh, where he graduated summa cum laude and as a member of Phi Beta Kappa. He then obtained his M.D. and M.B.A. from Tufts University School of Medicine, where he graduated as a member of the Alpha Omega Alpha Honorary Society. Dr. Gowen recently completed his dermatology residency at Yale New Haven Hospital.

Dr. Gowen is excited to join and continue the tradition of excellence at Skin Care Center of Southern Illinois in Mount Vernon.  His passion for his patients and their healthcare outcomes shines through with every interaction he has with them!


Kari Sufficool, MD, Board Certified Dermapathologist

Dr. Kari Sufficool, MD, Board Certified Dermatopathologist

Dr. Sufficool is a board-certified dermatopathologist (skin pathologist) who specializes in the microscopic diagnosis of cutaneous diseases,

including squamous cell cancer, basal cell cancer, and melanoma. Her practice also involves the diagnosis of inflammatory processes as well as other benign and malignant growths occurring in the skin.