Jon Peterson, M.D.

Dr. Jon Peterson received his undergraduate degree from Stanford University, and his medical degree from the University of Southern California.

He did his internship at Harbor-UCLA Medical Center in Torrance, California, and completed a residency in Emergency Medicine at Denver General Hospital in Denver Colorado.

He is board certified in Emergency Medicine and in Urgent Care medicine and was an oral examiner for the American Board of Emergency Medicine for almost 10 years.

Dr. Peterson has taught Emergency Medicine at Barnes Hospital/Washington University in St. Louis, and at the Medical College of Virginia.

He is an active member of the Christian Medical and Dental Association and has a strong interest in foreign missions.

He and his wife Megan live in Martinsville. They have 5 children and 8 grandchildren.

Barton Siebring, M.D.

Dr. Bart Siebring has been practicing medicine since 1987. His undergraduate degree was in chemistry and biology from Calvin College in Grand Rapids Michigan.

He is a graduate ORU School of Medicine in Tulsa Oklahoma.

His family medicine training was completed at the In His Image Family Medicine Residency which was also in Tulsa.

Dr. Siebring is board certified by the American Board of Family Medicine and has over 25 years of experience working in emergency medicine as well as in urgent care.

He is a member of the Christian Medical and Dental Association and has been actively involved in overseas missions.

He has recently moved to the area with his wife and 2 children and is excited to be part of a team whose goal is to follow the Great Physician.

Armando Guerrero, PA

Armando Guerrero travels to work at Dr. Jon’s Urgent Care from Damascus, Virginia, where he lives with his wife Grace and their 8 children. They attend First Baptist Church of Damascus.

Prior to becoming a Physician Assistant, he earned his certification as a Medical Assistant. As a student, he interned at Loma Linda University Medical Center, a large urban teaching hospital in Southern California. This turned into his first medical job and he worked for the Department of Orthopaedics for over 10 years. After an apprenticeship, he became a Certified Orthopaedic Technician, served as an instructor on the teaching staff, and ran the Clubfoot Casting Clinic.

Armando has always had a desire to work with underserved populations and he was drawn to West Virginia because of their “Rural Health Practitioner Program” which focuses on those communities in true need for medical help. He received his Physician Assistant certification from the University of Charleston in West Virginia in 2014. He gained more experience by working at Mountains Community Hospital in their Rural Health Clinic, before moving to Damascus, Virginia to work in Emergency Medicine at several locations.

Armando feels like he has found his home here at Dr. Jon’s Urgent Care Center and we could not agree more.

Lauren Young, FNP

Lauren Young MSN-FNP was born and raised in the Martinsville and Henry County area. She received her Associate Degree in Nursing from Patrick Henry Community College.

After practicing at Memorial Hospital of Martinsville and Henry County as an RN for 15 years, she returned to school to receive her MSN and FNP from Old Dominion University.

After graduation she worked as a Family Nurse Practitioner at Carilion of Martinsville for 13 years prior to joining the team at Dr. Jon’s Urgent Care Center. Lauren is also a diabetic educator.

Lauren lives in Bassett with her husband, Ricky of 33 years. They have two children. She enjoys hiking and kayaking. She is a member of the Fieldale United Methodist Church.

Ashlee Hermanns, PA-C

Ashlee Hermanns, PA-C was born and raised in Pittsylvania County. She first graduated from Lynchburg College in 2017 and received a Bachelor’s degree in Biomedical Sciences. Upon graduation, she immediately started PA school at the University of Lynchburg and earned her Masters of Physician Assistant Medicine.

She has practiced in both urgent care and primary care settings. She recently moved back to our area from Southern California. Ashlee has been married to her husband, Ian for two years. In their free time, they enjoy traveling and exploring new places.

Kristi Jones, MSN, APRN, ANP-C

Kristi Jones, MSN, APRN, ANP-C was born and currently lives in Danville, VA. She received a Bachelor of Arts degree from Clemson University in 1995. She then returned home and earned her RN diploma from DRMC – School of Nursing. She practiced as an RN at DRMC, Moses Cone, and Centra Health and returned to school to receive her Master of Science in Nursing degree and Adult Nurse Practitioner certification from the University of North Carolina at Chapel Hill.

After graduating, she worked in Primary Care and Urgent Care for 12 years before joining Dr. Jon’s Urgent Care Center. Kristi does DOT physicals and enjoys Primary Care and Mental Health. She is currently in school at Shenandoah University earning her Family Nurse Practitioner certification and working on her Doctorate of Nursing Practice degree.

Kristi lives with her husband, Michael and their 3 dogs. They enjoy traveling and watching sports.