Our Providers

  • Dr. Brian L. Quarton, M.D.

    Originally from Carlinville, Dr. Quarton graduated from the University of Illinois in 1991. After completing medical school at Southern Illinois University in 1995, he completed the Family Medicine Residency Program at Deaconess Hospital in Evansville, Indiana in 1998. He was Chief Resident in his third year. He was certified Diplomat by the American Board of Family Medicine in 1998 and is a member of the American Academy of Family Physicians. He is also a Member of the American Academy of Sports medicine.

  • Dr. Bruce F. Weber, M.D.

    Originally from Henry, Illinois, Dr. Weber is a graduate of the University of Illinois and the U of I College of Medicine in Peoria. He completed a three-year residency in Family Medicine at the Methodist Medical Center, also in Peoria, in 1985 where he was the Chief Resident in his third year. He was certified by the American Board of Family Practice in 1985 and is a Fellow of the American Board of Family Practice. Upon completion of his residency, he entered private practice in Family Medicine. He gained additional certification in Geriatric Medicine in 1992.

  • Dr. Anastasia Dufner, M.D.

    Originally from Girard, Dr. Dufner graduated from Blackburn College in 2012. After completing medical school at Southern Illinois University in 2019, she completed the Family Medicine Residency Program at Southern Illinois University in Springfield. She was certified by the American Board of Family Medicine in 2022. She is a member of the American Academy of Family Physicians and Alliance for Women in Medicine and Science.

  • Wayne Blevins, PA-C

    Originally from Dorchester, IL, Wayne graduated from the University of Florida with a Bachelor of Health Science Physician Assistant degree in 1991. Wayne has been a member of the Florida Academy of physician Assistants serving as President for one year and serving as the Legislative and Government Affairs Chairman for two years. Wayne has been a member of the American Academy of Physician Assistants serving two years on the House of Delegates Committee. Wayne has special interests in cardiac diseases, cardiac stress testing, dermatologic procedures and health and wellness.

  • Morgan Grothaus, FNP-C

    Originally from Argenta, IL, Morgan received a Bachelor of Science in Nursing in 2012 from Southern Illinois University, Edwardsville. She went on to graduate with her Master’s of Science in Nursing as a Family Nurse Practitioner from St. Louis University in 2016. Morgan is board certified by the American Academy of Nurse Practitioners. She and her husband Garret reside in Shipman with their two children. Morgan’s special interests include preventative health, hypertension and diabetes.

  • Jason Manthei, PA-C

    Originally from Janesville, Wisconsin Jason graduated Cum Laude from the University of Wisconsin-Eau Claire with a Bachelor of Science in Kinesiology-Exercise Science. Worked in physical therapy while obtaining his degree, he completed an internship in exercise physiology at the University of California-San Diego. Jason obtained a Masters of Medical Science-Physician Assistant degree from Saint Louis University. As part of his training, he completed a preceptorship in internal medicine at Missouri Baptist Hospital in Saint Louis, Missouri. Jason is a member of the Illinois and American Academies of Physician Assistants and is board certified by the National Commission on Certification of Physician Assistants.

  • Sam Rogers, FNP-C

    Originally from Staunton, Sam graduated from Goldfarb School of Nursing with a Bachelor degree of Science in Nursing in 2012. Sam earned a Master of Science in Nursing as a Family Nurse Practitioner from Chamberlin College of Nursing in 2018. She is certified by the American Academy of Nurse Practitioners. Sam’s primary focus is caring for patients in long term care facilities. Sam is currently enrolled at SIU-Edwardsville furthering her education as a Psychiatric Mental Health Nurse Practitioner. Upon completion, she will expand her services seeing our behavioral health patients. Sam and Stephen reside in Worden with their dog Gunner.

  • Hollie Trettenero, FNP-C

    Originally from Gillespie, IL, received a Bachelor of Science in Nursing in 2002 from Southern Illinois University, Edwardsville. She obtained her post-graduate certification as a Family Nurse Practitioner from Maryville University in St. Louis, MO in 2014. She is board certified by the American Academy of Nurse Practitioners and is a member of the Sigma Theta Tau National Honor Society of Nursing and the American Association of Nurse Practitioners. She and her husband T.J. and two children reside in Staunton. Mrs. Trettenero’s interests include women’s health, preventative health and diabetes management.