Physicians Healthy Weight Center 

As New Hampshire's most comprehensive non-surgical medical weight management center, we offer an individualized program to help you achieve real and lasting success.  

Our Clinical Team: 

Jennifer Warren, M.D.

Co-Founder and Medical Director

Dr. Jennifer Warren is a graduate of Tufts University School of Medicine, a diplomate of the American Board of Family Medicine, and the only New Hampshire Physician certified by the American Board of Bariatric Medicine.

After completing advanced training in medical weight management, Dr. Warren developed her comprehensive program, and founded Physicians Healthy Weight Center in 2004. Since then, she has helped patients lose more than 40,000 pounds. She has lectured to other physicians locally and nationally on weight management, and has volunteered in the development of programs to combat childhood obesity, serving on the obesity expert panel of the NH Foundation for Healthy Communities, and HEAL (Healthy Eating Active Living). Dr. Warren has been featured as a medical weight management expert in both local and national media outlets. She is a frequent contributing medical expert for Allure magazine, Women's Health magazine, and has been a lecturer for WebMD University. Dr. Warren also co-hosted her own radio show, "Healthy Weight Talk" on WGIR in Manchester.

Please click here to check out Dr. Warren's Healthy Weight Blog for news and information about weight management, nutrition, exercise, and lifestyle.

Susan Stern, M.D.

Dr. Susan Stern is a graduate of Princeton University and Columbia University College of Physicians and Surgeons.  She completed her residency training at Tufts University Hospitals and at Cambridge Hospital (affiliated with Harvard Medical School), and obtained her board certification in Internal Medicine.  She practiced Primary Care Internal Medicine at Harvard University Health Services for 5 years before deciding to pursue a career in Bariatric Medicine.  She has studied medical weight management extensively, and has a keen interest in preventive medicine and healthy lifestyle.  She serves on the Board of Directors at the West Suburban YMCA in Newton, Massachusetts.  Dr. Stern works closely with Dr. Warren, and sees patients in our Salem,and North Hampton offices.

Pat Pappal, ARNP

Pat is a board certified Nurse Practitioner, with 30 years experience in the nursing field, with a focus on healthy lifestyle coaching.  Pat has been personally trained by Dr. Warren on all phases of the healthy weight program, and works closely with Dr. Warren and Dr. Stern.  Patients are extremely appreciative of her thorough, careful approach, and warm support.  Pat is based in our Salem office.

Beth Almstrom

Kelly Barnaby, MS, RD, LD

Kelly is a Registered Dietitian who received her bachelor’s degree from UNH and her master’s degree in nutrition from Eastern Michigan University.  She then completed her dietetic internship program in Tucson, AZ to become registered and licensed in the state of NH.  She is skilled in the area of medical nutrition therapy to provide individualized client centered care according to the medical, emotional, and physical needs of each client.  Kelly has also received extensive training in the area of bariatrics from Dr. Warren.  Kelly is based in our North Hampton, and Salem and offices.

Monica Moore, Nutritionist, Personal Trainer

Monica is originally from New Jersey, and came to the granite state where received a Bachelor of Science in Nutritional Sciences from the University of New Hampshire. Monica will soon start a Dietetic Internship, one of the final steps for being a licensed R.D.  Monica is experienced at providing customized patient nutritional information that's understandable, and she is also an ACE- certified personal trainer.   Monica is based at Dr. Warren's Dover and North Hampton office.

Our Doctor Makes The Difference.