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Kelly Costello Allison, PhD

Kelly Costello Allison, PhD Clinical Psychologist or Neuropsychologist (PhD or PsyD)

Director, Center for Weight and Eating Disorders Associate Professor of Psychology in Psychiatry at the Hospital of the University of Pennsylvania

Dr. Allison is employed by Penn Medicine.

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About Dr. Kelly C. Allison

I provide cognitive behavioral therapy for disordered eating, weight management, and post-bariatric surgery issues in an outpatient therapy setting at the Center for Weight and Eating Disorders. Presenting problems that I treat typically include binge-eating, night-eating, bulimia nervosa, and emotional eating.  These issues often are coupled with anxiety, mood, or other psychiatric issues that would also be addressed.  I also provide pre-bariatric surgery psychological evaluations at Penn Medicine's Metabolic and Bariatric Surgery Program.

Clinical Specialties


  • Psychiatry

Programs & Centers:

Clinical Expertise:

  • Bariatric Surgery Counseling
  • Binge Eating Disorder
  • Eating Disorders
  • Night Eating Syndrome
  • Weight Problem

Practice Locations and Appointments

Education and Training

Residency: University of Massachusetts Medical Center
Graduate School: Miami University


Academy for Eating Disorders, International NIDDK Special Emphasis Panel ZRG1 RPHB-W 02, Member Conflict: Psychosocial Risks and Disease Prevention," NIH/NIDDK, Teleconference, National The Obesity Society (formerly NAASO), International

Hospital Affiliation

Dr. Allison is employed by Penn Medicine.

Hospital Privileges:

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.


Selected Publications:

Tewksbury CM, Crowley N, Parrott JM, Andromalos L, Isom KA, Smith E, Allison KC.: Weight loss prior to bariatric surgery and 30-day mortality, readmission, reoperation, or intervention: an analysis of 349,016 bariatric surgery cases. Obesity Surgery : 2019.

Pearl RL, Wadden TA, Allison KC, Chao AM, Alamuddin N, Berkowitz RI, Walsh O, Tronieri JS.: Associations between causal attributions for obesity and long-term weight loss. Behavioral Medicine 18 : 1-5,2019.

Pearl RL, Wadden TA, Walton K, Allison KC, Tronieri JS, Williams NN.: Health and appearance: factors motivating the decision to seek bariatric surgery. Surgery and Obesity Related Diseases 15 (4): 636-642,2019.

Pearl RL, Walton K, Allison KC, Tronieri JS, Wadden TA: Preference for people-first language among patients seeking bariatric surgery JAMA Surgery : 2018.

Kumanyika S, Morales K, Allison K, Localio R, Sarwer D, Phipps E, Fassbender J, Tsai A, Wadden T: Two-year results of Think Health! Vive Saludable! – a primary care weight management trial Obesity 26 (9): 1412-1421,2018.

Cooney LG, Milman LW, Hantsoo L, Kornfield S, Sammel MD, Allison KC, Epperson CN, Dokras A: Cognitive-behavioral therapy improves weight loss and quality of life in women with polycystic ovary syndrome: a pilot randomized clinical trial Fertility and Sterility 110 (1): 161-171.e1,2018.

Pearl RL, Wadden TA, Allison KC, Chao AM, Alamuddin N, Berkowitz RI, Walsh O, Tronieri JS: Causal attributions for obesity among patients seeking surgical versus behavioral/pharmacological weight loss treatment Obesity Surgery 8 (11): 3724-3728,2018.

Chao AM, Srinivas SK, Studt SK, Diewald LK, Sarwer DB, Allison KC: A pilot randomized controlled trial of a technology-based approach for preventing excess weight gain during pregnancy among women with overweight Frontiers in Nutrition 4 : 57,2018.

Alamuddin N, Vetter ML, Ahima R, Hesson L, Ritter S, Minnick A, Faulconbridge LF, Allison KC, Sarwer DB, Chitthams J, Williams N, Hayes MR, Loughead JW, Gur R, Wadden TA: Changes in fasting and prandial gut and adiposity hormones following vertical sleeve gastrectomy or Roux-en-Y-gastric bypass: an 18-month controlled study Obesity Surgery 27 (6): 1563-1572,2017.

Fuchs N, Fingerhut R, Allison KC: The Prenatal Distress Measure (Pre-DM): adaptation of the Postpartum Distress Measure for a prenatal sample Journal of Women’s Health 26 (11): 1193-1200,2017.

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Academic Contact Info

3535 Market St., Suite 3029
Philadelphia, PA 19104-3309
Phone: (215) 898-7314
Patient appointments: 866-301-4PBH (4724)

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