The Faculty Practice Plan of Northwestern's Feinberg School of Medicine
Find a Physician:  
Our mission, motto, and values The ideal patient experience Patient and user privacy rights News about us Affiliates Financial assistance Interpretation services
Your visit or stay - what to expect Insurance and financial information Accepted insurance plans Your patient services center Physician referrals Medical Records Maps, directions and parking Financial assistance Interpretation services
Employment Opportunities Benefits

Center for Lifestyle Medicine Team
Horizontal line



Dr. Robert F. Kushner, MD, MS

Robert F. Kushner, MD, MS Dr. Robert Kushner is Professor of Medicine at Northwestern University Feinberg School of Medicine in Chicago. He recieved his medical degree from the University of Illinois. After finishing a residency in Internal Medicine at Northwestern University, he went on to complete a post-graduate fellowship in Clinical Nutrition and earned a Masters degree in Clinical Nutrition and Nutritional Biology from the University of Chicago. Dr. Kushner is past president of the American Society for Parenteral and Enteral Nutrition (ASPEN) and the American Board of Physician Nutrition Specialists (ABPNS), and current Vice President of The Obesity Society (TOS). He is on the editorial board for Obesity Management, Obesity, the Journal of the American Dietetic Association, and Today’s Diet & Nutrition.

In 2002, Dr. Kushner was the recipient of the distinquished Dannon Institute Award for Excellence in Medical/Dental Nutrition Education presented by the American Society for Clinical Nutrition. Dr. Kushner has authored over 140 original articles, reviews and book chapters covering medical nutrition, medical nutrition education, and obesity. He is author of Dr. Kushner’s Personality Type Diet (St. Martin’s Griffin Press, 2003), medical director of, an online version of the personality type diet, and editor of the American Medical Association’s (AMA) Assessment and Management of Adult Obesity: A Primer for Physicians (2003). His most recent book, Fitness Unleashed (Three Rivers Press, 2006) provides a combined weight loss and execise plan for owners and their companion dogs.


Lisa M. Neff, MD, MS

Lisa Neff, MD, MSDr. Lisa Neff joined Northwestern as an Assistant Professor of Endocrinology, Metabolism and Molecular Medicine in October, 2009. Dr. Neff earned her B.S. in German and Biology from Tufts University in 1994 and her M.D. from the University of Illinois at Chicago (UIC) in 1999. She completed a residency in Internal Medicine at UIC in 2002 and dual fellowships in Endocrinology and Clinical Nutrition at Tufts-New England Medical Center in Boston in 2006. Upon completion of her fellowships, Dr. Neff joined the Clinical Scholar Program at the Rockefeller University in New York City, earning a Master’s Degree in Clinical and Translational Research. Dr. Neff is board-certified in Internal Medicine and Endocrinology. She is also certified by the American Board of Physician Nutrition Specialists. She is an active member of The Obesity Society and the American Society for Nutrition.

Dr. Neff's clinical interests include the management of excess body weight, nutritional disorders, and weight-related metabolic disorders, including type 2 diabetes and metabolic syndrome. She also co-directs our Healthy For You: Healthy for Two program, which is designed to help overweight women have healthier pregnancies.

Dr. Neff’s research has largely focused on nutritional interventions for the treatment of weight-related metabolic disorders. She has also recently begun work on research projects designed to prevent excessive weight gain during pregnancy, which can have adverse consequences for both mother and baby.

Nurse Practitioner


Kirsten Webb, CNP, CDE

Kirsten Webb, CNP, CDEKirsten Webb CNP, CDE is a Family Nurse Practitioner and Certified diabetes educator for Lifestyle Medicine at Northwestern Medical Faculty Foundation.  Kirsten received undergraduate degrees in Biology from Indiana University, Bloomington and Bachelor’s of Science in Nursing from University of Cincinnati. Kirsten earned her Master’s degree in Nursing from Loyola University Chicago. She worked as a family nurse practitioner at University of Illinois Chicago in the Nutrition and Wellness center before joining the Center for Lifestyle Medicine team in early 2009. Kirsten’s clinical experience is in the management of weight loss and diabetic patients. She also provides diabetes education and management; which includes self-care, insulin adjustment, and insulin pump therapy.



Holly Herrington, RD, LDN

Holly Herrington, MS, RD, LDNHolly Herrington, RD, LDN, is a Registered Dietitian in the Center for Lifestyle Medicine at Northwestern Medical Faculty Foundation.  Holly received undergraduate degrees in Marketing and Human Sciences from Mississippi State University as well as a degree in Dietetics and Nutrition from the University of Mississippi. Holly completed her dietetic internship and pursued her Master’s degree in Clinical Nutrition from Rush University Medical Center in Chicago. She worked as both an inpatient and outpatient dietitian at Rush before joining Northwestern Medical Faculty Foundation in 2009. Holly is a member of the Academy of Nutrition and Dietetics. Her clinical interests include weight loss/bariatric surgery, diabetes management, cardiovascular health, gastrointestinal health and prenatal nutrition.  Holly can be reached at (312)926-3624 or

Dietitians and Exercise Specialist


Erin McCarthy, MS, RD, LDN

Erin McCarthy, MS, RD, LDNErin McCarthy MS, RD, LDN is a Registered Dietitian at Northwestern Medical Faculty Foundation in Chicago. She recieved her undergraduate degree in Nutrition from University of Illinois. She completed her dietetic internship and masters degree from Rush University Medical Center. She has worked inpatient at Resurrection Medical Center and then went on to be the bariatric dietitian at Mercy Hospital and Medical Center in Chicago.  She was Bariatric Ambassador for Morrison Management Specialists and is a member of the American Dietetic Association, American Society for Metabolic and Bariatric Surgery, as well as International Diet and Exercise Association.

Erin is certified in weight management for adults via the American Dietetic Association. She has authored 2 original articles, regarding Leptin and Bariatric Surgery.  She is also a certified group fitness instructor through the American Council on Exercise.



Greg Petersen, PhD, LCP

Robert F. Kushner, MD, MS

Dr. Petersen’s practice at the Center for Lifestyle Medicine is focused on assisting patients with meeting biological, psychological, and social challenges.  Dr. Petersen uses a variety of evidence based tools to assist people with improving health behaviors and enhancing their quality of life.  Improvement in self-management skills, emotional and social wellbeing facilitates an improvement in physical health for a variety of reasons. 

Education and Training:

  • Masters in Exercise Science/Sport Psychology - University of North Carolina, Chapel Hill
  • PhD in Clinical Psychology - Illinois Institute of Technology, Chicago, IL 
  • Pre-doctoral Internship - VA Medical Center, Salem, VA
  • Post-Doctoral Fellowship with emphasis in chronic pain – Carilion Clinic, Roanoke, VA
  • Assistant Professor, Department of Psychiatry and Behavioral Sciences, Northwestern University, Feinberg School of Medicine

* Our multidisciplinary team works in conjunction with other medical specialties including: Hepatology, Obstetrics/Gynecology, Oncology, General Internal Medicine, Endocrinology, Cardiology, Heart Failure and Gastroenterology to provide comprehensive care.

- MyChart -

The new and improved Personal Health Record, “MyChart,” is now available. Make sure to bookmark the new log-in page for faster access next time. Click here for more information.

MyChart Login Page

Please remember:
If this is an emergency, call 911 or go to your local emergency room.

MyChart® licensed from Epic Systems Corporation, © 1999-2006. Patents pending.

- Secure NMFF Online Payment -

MyChart is now the new, secure method of making payments online. Click below to get started.

- Patient Guide -