Important Notice

In abundance of caution for team members and patients, Christie Clinic on University and Christie Clinic Radiation Oncology will be closing at 2 pm today (June 1st) as protests are expected in the area. The Christie Clinic Customer Service phone line will also be closing at 2 pm. All other Christie Clinic services and locations are available with regular hours.

Primary Care and Specialties

Nathan R. Walker

Nathan Walker, MD Internal Medicine Physician

Christie Clinic on Windsor
1801 West Windsor Road
Champaign, IL 61822
217.366.5434 Visit Site

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"Obesity is the root of many other medical problems. I feel that when I treat this I am helping the whole person. We call the weight loss clinic 'Transformations' because we hope to transform lives not only medically, but also on many other levels."


Bachelor's from University of Cincinnati, Cincinnati, OH

Medical School

University of Cincinnati College of Medicine, Cincinnati, OH


Northwestern Memorial Hospital, Chicago, IL, Internal Medicine 

Professional Organizations

American College of Physicians


American Board of Internal Medicine

Get to know Nathan R. Walker

Department of Internal Medicine

In the Department of Internal Medicine, Dr. Walker diagnoses and treats non-surgical illnesses in adults.

Hospital Affiliation

Carle Foundation Hospital and OSF Healthcare Heart of Mary Medical Center in Champaign


Dr. Walker is active in his local church and enjoys spending time with his family. Dr. and Mrs. Walker live in Champaign with their five lively children who are all heavily involved in school activities and sports. As a healthcare organization, Christie Clinic is focused on promoting health and wellness through Champaign and the surrounding communities, and Dr. Walker is a great example of that commitment. He enjoys outdoor activities and is an avid runner. Most notably, he served as the Medical Director for the Christie Clinic Illinois Marathon for three years and is currently the Medical Director for Christie's medical weight loss program which is called Christie Clinic Transformations. Dr. Walker's staff would describe him as articulate, creative, thorough, down to earth, and compassionate.

Additional Locations
Champaign, IL

Christie Clinic on Windsor

1801 West Windsor Road

Champaign, IL 61822

(217) 366-1200--Main Phone Number

(217) 366-5434--Internal Medicine

(217) 366-1257--Pediatrics 

(217) 366-6104--Family Medicine

(217) 366-1372--Rheumatology

(217) 366-7460--Transformations

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