Staff Bio's

You'll find the staff at Columbus Neurosurgical Spine Group to be friendly, helpful, educated, and in-touch with your specific needs. They are a critical element to our success - and yours too!

Teresa Troyer-Freshcorn
Practice Manager

Teresa Troyer Freshcorn has been a member of the CNS team since 2003. In her current capacity of Practice Manager, Teresa is available to assist with anything you may need during your tenure as a patient in our practice.

Sarah Knapp
Assistant

My name is Sarah Knapp, and I work as an Administrative Assistant at Columbus Neurosurgical Group, as well as being the Front Desk Receptionist. I have happily been with the practice since December of 2008. Before working with CNS, I received my AAS in E-Commerce at Rhodes State College in Lima, Oh. Upon Graduation in 2007, I moved to Columbus due to its vast job opportunities. That decision lead me here to my CNS family. 

Tricia Wolf, PTA
Assistant

Tricia graduated from Central Ohio Technical College in 1995 with an Associate in Applied Science. She has worked as a licensed Physical Assistant for 16 years specializing in orthopedic and spinal rehabilitation. She joined CNS Physical Therapy in 2006. In addition to being staff PTA, she also serves as administrative assistant for the physical therapy department.

Marianne Dottle
Assistant

I have been Dr. White's Medical Assistant since February of 2004. I always joke with patients that he locks me in the back room and doesn't let me out in the light of day, except for the few times I attended surgery with him. I believe I am a vital part of quality patient care and Quality Surgeons, every day.

Erica Beem
Assistant

Erica Beem joined the CNS team in 2004 after 3 years of family practice. While at CNS she has played many roles. As assisant to Dr. Dixon, she strives for patient satisfaction.

Darrell Upp, PT
Physical Therapist

Darrell Upp, PT, CSCS, CWT, SPS has been a practicing Physical Therapist for over 20 years in the Columbus area. Darrell, who serves as Director of Physical Therapy, joined CNS in 2006. Darrell obtained his B.S. degree in Physical Therapy from The Ohio State University and AAS degree in Physical Therapy Assistant from Sinclair Community College. Darrell also is a Certified Strength/ Conditioning Specialist, Certified Sport Nutrition Specialist, Certified Weight Trainer, and Speed-Power Specialist. He was a member of the Psi Beta National Honor Society in Psychology at Sinclair Community College 1987; awarded the Program Excellence Award 1988; and was nominated for Physical Therapy Clinical Instructor of the Year, 2000. Darrell was National Director of Strength & Conditioning Education Program at HealthSouth, national lecturer presenting on spine, shoulder, knee, strength/conditioning & sports nutrition, taught Orthopedic Rehabilitation at Central Ohio Technical College and is published author of journal/newspaper articles, training manuals, and education/training manuals.