About
Dr. Byung-sun (Bobby) Yun earned his medical degree from UW-Madison Medical School. He completed residency training in surgery and anesthesiology at UCLA, then built a career in the Fox Valley region of Wisconsin. He holds board certification in Family Medicine.
For over 20 years, Dr. Yun served as Medical Director of urgent care clinics across the Fox Valley and Green Bay areas. He treats a broad range of chronic and acute conditions, including diabetes, hypertension, cardiovascular disease, depression, COPD, and migraine headaches, among many others. He is also a DOT-certified medical examiner. His guiding goal is to deliver high-quality healthcare that hard-working families can actually afford and access. Outside the clinic, he enjoys racquet sports, teaching Taekwondo, spending time outdoors, and supporting his three children and family.
Education & Training
Medical School
UW-Madison Medical School
Residency
Surgery and Anesthesiology, UCLA
Certifications
Conditions Treated
Who is Dr. Yun right for?
Dr. Yun is a strong fit for adults and families seeking ongoing primary care at a predictable monthly cost. Patients managing chronic conditions such as diabetes, hypertension, high cholesterol, or depression benefit from his hands-on, relationship-driven approach. His broad clinical scope also serves patients with acute concerns, skin conditions, or musculoskeletal issues. Adults needing DOT physicals or pre-employment evaluations will find that Dr. Yun holds the certifications to complete those exams directly.
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Frequently Asked Questions
Dr. Yun treats a wide range of chronic and acute conditions. His chronic care focus includes diabetes, hypertension, high cholesterol, COPD, depression, anxiety, GERD, migraine headaches, asthma, ADD/ADHD, rosacea, eczema, and acne. He also addresses acute concerns such as low back pain, insomnia, fatigue, allergies, and sleep problems.
Yes, Dr. Yun holds board certification in Family Medicine. He earned his medical degree from UW-Madison Medical School and completed his residency in surgery and anesthesiology at UCLA.
Dr. Yun has spent over 20 years practicing medicine in the Fox Valley region. He served as Medical Director of urgent care clinics across the Fox Valley and Green Bay areas before establishing New MD.
Yes, Dr. Yun performs a range of minor procedures for members. These include cyst and mole removal, toenail removal, stitches, trigger point injections, joint injections, and ear flushes. Procedures are covered under the membership for members.
Yes, Dr. Yun is a DOT-certified medical examiner. He conducts DOT physicals at New MD for both members and non-members.
Dr. Yun offers wellness physicals, sports physicals, pre-employment physicals, and DOT physicals. These are included in the membership for members and available to non-members on a cash-pay basis.
Members can contact Dr. Yun by phone, text, email, or through the Elation Passport patient portal. Telehealth visits are also available for both members and non-members.
Dr. Yun focuses on making high-quality healthcare accessible and affordable for hard-working families. He keeps his patient panel limited to allow longer appointments and individualized attention. His broad training in surgery, anesthesiology, and family medicine gives him a versatile clinical foundation.
Doctor profile last updated April 10, 2026