Meet The StaffDr. Loren Nebben Chiropractor

Dr. Loren Nebben, D.C.

Doctor of Chiropractic

Dr. Nebben opened his practice in Clarksville TN in 1999. He graduated from Life University in Marietta Georgia in June of 1998. He studied his undergraduate at Jacksonville State University in Jacksonville Alabama. He is a member of the American Chiropractic Association (ACA) and the Tennessee Chiropractic Association, (TCA). His Wife Jamison Nebben is the Office Manager and they have one son, Cooper who was born in 2007.

Dr. Nebben uses the latest chiropractic technology in caring for his patients using the Impulse Adjusting Instrument. This patented and FDA registered device was developed to provide gentle and precise chiropractic adjustments to relieve pain and restore function to the Nervouse System.


Dr. John Bassel Jr., Doctor of Internal MedicineDrBassel

Dr. Bassel was born in Florence, Alabama and came to middle Tennessee for his career. He graduated from Vanderbilt University and Vanderbilt School of Medicine.He completed his internship and residency in Internal Medicine at Vanderbilt Hospital. His professional career includes 32 years practice of Internal Medicine in Springfield, Tennessee and additional experience in emergency medicine, correctional medicine, and palliative care. He has been board-certified in Internal Medicine and is a member of the Robertson County Medical Society, the Tennessee Medical Association, and Alpha Omega Alpha Honor Medical Society.

In his off time, Dr. Bassel enjoys spending time with his wife, children and 3 year old grandchild. His hobbies include golf, music, and gardening.
He is proud to assist in the medical management of patients and to be a member of the team at Nebben Physical Medicine.


Katherine Vachon, NPKVachon

Ms. Vachon is a board certified NP, graduated from Vanderbilt school of Nursing in 2004. She formerly worked in pain management for 10 years and has extensive experience in performing injections to relieve pain.


Sonya Laffoon, LMT & Certified Chiro Therapy AssistantSLaffoon

Sonya is the friendly face that handles the marketing and physical therapy rehabilitation for our office.

She is a TN native and grew up in Clarksville. She worked in a local Chiropractic office for 10 years as a Chiropractic Assistant and XRay tech. She graduated from University of KY with Biology degree and Cumberland Institute for Wellness Education in Brentwood, TN for massage therapy in 1999. She then went into a career in the beauty industry after completing her degree in Aesthetics at Queen City College in Clarksville, TN and worked as Aesthetician & Massage Therapy at a local day spa for another 12 years.

Sonya joined our team to help educate patients to get stronger and for pain relief. She dedicates her time to the community by planning events and fundraising for local charities. She enjoys her time off work spending time with her husband and two children and their activities.


Shannon Adair-Billing SpecialistSHannon


Jennifer Molchan, Therapy AssistantJennifer


Lisa Ligon, Front DeskLLigon

Lisa was born in Hopkinsville, Kentucky she grew up and attended school in Trenton Kentucky. Lisa was married a few years after high school in California, and have 2 sons. She has worked in the medical field for over 15 years, to include a few: Premier Medical, Gateway Medical, she was the office manager or Results Physiotherapy for 8 years until joining the team here at Nebben Physical Medicine. When not at work she enjoys spending time with family and making crafts.