Meet Our Team
Grace Leon
Administrative Assistant
Grace Leon
(312) 432-2351
Grace Leon joined Midwest Orthopaedics at Rush as a front desk receptionist in March 2016 and later joined Dr. Nicholson’s team in June of the same year. Her responsibilities include registering patients, insurance verification, and assisting surgical scheduling and billing.
Her 16+ years of experience in the administrative field and great personality results in the ability to deal successfully with the demands of a busy and diverse patient base. This winning combination ensures that you will receive exceptional service and care. When not in the office, she enjoys spending time with her family, and living each moment in a positive way.
Vanessa Marquez, CMA
Shoulder & Elbow Fellowship Coordinator
Vanessa Marquez, CMA
(312) 432-2351
Vanessa is a Certified Medical Assistant with a degree from College of Dupage. She has worked at Midwest Orthopaedics and Rush since 2009. She assists Dr. Nicholson on all administrative and clinical duties. She is bilingual and is fluent in Spanish and English.
In addition to MA duties, she is the sole coordinator for the Shoulder and Elbow Fellowship Program. She is responsible for overseeing and implementing the fellowship program with Dr Nicholson, the Director of the program.
Carolina Merchen, ATC
Athletic Trainer
Carolina Merchen, ATC
(312) 432-2351
Carolina Merchen graduated from the University of Delaware with a Bachelor of Science degree in Kinesiology and Applied Physiology. She has worked as an Athletic Trainer for over 5+ years at the high school and college level.
She joined Dr. Nicholson’s team at Midwest Orthopaedics at Rush in August 2018 and specializes in athletic injuries and rehabilitation. She works closely in clinic with Dr. Nicholson and is responsible for oversight of surgery scheduling. She currently lives in Oak Park and enjoys traveling and practicing yoga.
Lindsay Rudhman, PA-C
Physician Assistant
Lindsay Rudhman, PA-C
(312) 432-2351
Lindsay Rudhman joined Dr. Nicholson’s team in 2011 and works as a Certified Physician’s Assistant. She is an integral part of the team and works closely with patients in clinic and in the OR. Lindsay graduated from the University of Illinois with Bachelors of Science in Molecular and Cellular Biology. She continued her education and obtained a Masters Degree in Clinical Medical Science and Physician Assistant Certification from Barry University in Miami Shores Florida. She has worked in Orthopedics for over 10+ years.
She is an Elmhurst native and enjoys living in Chicago.