Who We Are

Uderm, PLLC is a locally-based, privately-owned medical and surgical dermatology practice near Chattanooga, TN.

Started in 2020, our company exists to provide the highest quality patient care to our greater Chattanooga community. In addition to expertise in skin cancer diagnosis and treatment, our Mayo Clinic-trained dermatologist, Dr. Jonathan Miller, leads our team to ensure patients receive excellent care in a convenient and comfortable fashion. Because of our comprehensive scope of practice, we are a full-service destination for patients of all ages and skin conditions. With our commitment to each other and our patients, we are a place “Where you come first.”

Read our patient testimonials

Meet Our Team

Jonathan Miller, MD

Jonathan Miller, MD, FAAD

Board Certified Dermatologist in Chattanooga, TN

Dr. Miller is a board-certified dermatologist and fellowship-trained Mohs micrographic and reconstructive surgeon at our office in Ooltewah, TN. He received his medical doctorate, along with academic scholarships and coursework honors, from Quillen College of Medicine at East Tennessee State University. He then completed a transitional year internship at the University of Tennessee in Chattanooga, dermatology residency at Mayo Clinic in Rochester, MN, and a Mohs micrographic surgery and dermatologic oncology fellowship with the Surgical Dermatology Group in Birmingham, AL, where he participated in over 2,500 Mohs surgeries and reconstructions.

Dr. Miller has been active in research and innovation through publishing articles in peer-reviewed medical and surgical dermatology journals, presenting at national conferences, and creating a comprehensive dermatology education app.

He is board certified by the American Board of Dermatology and maintains memberships with the American Academy of Dermatology, American Society of Dermatologic Surgery, American College of Mohs Surgery, and the Alpha Omega Alpha honor medical society.

Prior to medicine, Dr. Miller obtained an undergraduate degree in nursing from Southern Adventist University, and worked for two years in critical care before spending a year as a missionary nurse in the Philippines. Outside of medicine, Dr. Miller enjoys spending time with his wife and three daughters, aviation, fishing, outdoor activities, and volunteering in his community.

Beth Hehn

Beth Hehn

Practice Administrator

Beth has 24 years of progressive responsibility in the development, growth and leadership of physician practices, including integrating multi-specialty practices within a health care system. She has been recognized as an exceptional operational and management leader with proven ability to drive organizational change and aligning teams of physicians and employees to achieve strategic business goals. One of her passions is equipping practice managers to meet the needs of their patients, physicians and staff and she served over 15 years on the Executive Board of the local chapter of the Medical Group Management Association. Beth and her husband Bruce enjoy traveling, reading, cooking and spending time with their children and grandchildren.

Jessie Hansen Harbin

Front Desk and Billing Specialist

Jessie grew up in a suburb of St. Paul, Minnesota and graduated from Drake University in 2011 with a Bachelor of Arts degree in English Writing. Shortly after graduation she moved to Chattanooga for a three-month internship and never left. Since then Jessie has worked for a variety of non-profit organizations, published a collection of essays, and worked as a paralegal for a small law office. In 2020, she decided to transition to the medical field and began training to become a certified professional coder. In her free time, Jessie enjoys a wide variety of interests including traveling, hiking with Opal the dog, and operating a construction-sized excavator.

Jessie Hansen Harbin

Colleen Norton

Colleen Norton

Certified Medical Assistant

Colleen is originally from Philadelphia, PA, but has lived all over the U.S. Prior to moving to TN almost 5 years ago, she lived in Honolulu, HI for 9 years. While living in HI, she received her Associate in Applied Science from Heald College and medical assistant certification through AAMA. Colleen has been a CMA for 10 years and has found her passion and niche in dermatology. She is married to her husband Lindsey, and they have four children. In her spare time, she enjoys various family activities on the lake, playing with her kids, paddle boarding and working out.

Tim Wilson


Tim earned a Bachelor’s degree in Social Work from Southern Adventist University and has worked in Chattanooga for over a decade. He has a diverse set of skills including IT, case management, and medical assisting in various hospital roles. Most of his career has been as a histotechnician, preparing specimens as a microtomist for microscopic examination. An outgoing and jovial man, Tim is a technology enthusiast, enjoys building computers, and shares a love of animals with his wife of twenty-five years.

Tim Wilson