Obesity Medicine Expert Witnesses

Obesity medicine expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on obesity medicine. The obesity medicine expert witness listings on this page are typically from fields/areas of expertise such as: Emergency Medicine, Endocrinology, Family Medicine, Hospitalist, Internal Medicine, Obesity, Obstetrics & Gynecology, Pediatric Endocrinology, Pediatric Hospitalist, and Pediatrics.

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Sharon Orrange, MD, MHS

Assoc Prof USC -Internal Med Expert- 20+ years

Keck School of Medicine University of Southern California

Beverly Hills , California
Internal Medicine, Hospitalist - Hospitalist Expert Witness, Primary Care Expert Witness, Women's Health Expert Witness, Plaintiff and Defense Expert Witness-Internal Medicine, Obesity Medicine Expert Witness, Standard of Care-Internal Medicine, Failure to Diagnose Expert, Expert Witness for Delayed Diagnosis, Expert in Complex Medical Cases
Dr. Sharon Orrange is an Associate Professor of Clinical Medicine at the Keck School of Medicine of USC and a board-certified internal medicine physician with over 20 years of full-time clinical practice in Southern California. With more than 15 years of medical-legal consulting experience, Dr. Orrange has served as an expert witness in over two dozen cases, representing both plaintiffs and defendants, including work on behalf of the U.S. Department of Justice. Her areas of expertise include internal medicine, hospitalist medicine, obesity medicine, and women’s health. She is also a certified menopause provider and holds additional certification from the American Board of Obesity Medicine. Dr. Orrange earned her undergraduate degree in Biology from the University of California, San Diego, her Master of Health Sciences from Johns Hopkins University School of Public Health, and her MD from the University of Southern California. She completed her residency in Internal Medicine at UC S...
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Claudia Behn, MD, FACOG, DABOM

OB/GYN & Obesity Medicine Expert Witness

OB/HOSPITALIST GROUP/HCA FLORIDA MERCY HOSPITAL

Miami, Florida
Obstetrics & Gynecology, Obesity - OB/GYN expert witness, Birth injury, Cesarean section, Shoulder dystocia, Uterine rupture, Postpartum hemorrhage, Ectopic pregnancy, Hysterectomy complications, Laparoscopic surgery, Cosmetic gynecology, Endometrial ablation, PCOS, Hormone therapy, Obesity medicine, GLP-1 medications, Semaglutide, Medical weight loss, Standard care
Dr. Claudia Behn, MD, FACOG, DABOM is a double board-certified physician in Obstetrics & Gynecology and Obesity Medicine with over 8 years of experience in hospital, private practice, and telemedicine settings. She provides expert witness services including medical record review, case analysis, expert reports, depositions, and trial testimony for both plaintiff and defense attorneys nationwide. Dr. Behn specializes in a wide range of women’s health and metabolic conditions, including labor and delivery management, fetal monitoring interpretation, postpartum complications, gynecologic surgery, hormonal imbalances, and medically supervised weight loss. Her clinical background includes the management of high-risk pregnancies, emergency obstetric care, and minimally invasive gynecologic procedures in both inpatient and outpatient environments. She is a Fellow of the American College of Obstetricians and Gynecologists (FACOG) and a Diplomate of the American Board of Obesity Medicine (D...
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Chrissie Ott, MD, FAAP, PCC

Versatile MedPeds Doc: Complex Cases Welcome

Portland, Oregon
Pediatric Hospitalist, Internal Medicine - Obesity Medicine, Pediatric Complex Care, Clinician Well-being, Pediatric Obesity Medicine, Integrative Medicine, Lifestyle Medicine, Nutrition, Primary Care, Ethics, Long Term Care, Palliative Care, Burnout, Malpractice, APP Supervision, Hospitalist, Nocturnist, Direct Practice, Concierge, Telehealth, Newborn Care
Dr. Chrissie Ott is a seasoned, practicing triple board-certified internist and pediatrician with an undergraduate degree in Nutrition. She has extensive experience in primary care and hospital medicine across the life span, is a medical director of a pediatric complex care unit, and is a former wellness executive in a large healthcare system. Chrissie is also a leader in the field of physician coaching and can be a resource to physicians in the legal process. Dr. Ott has a board certification in Integrative Medicine and a pending fourth board certification in Obesity Medicine, and has acquired additional expertise in Palliative Care through the Harvard PCEP program and in organizational well-being as a graduate of the Stanford Chief Wellness Officer training. She graduated the Ethics Track in medical school and has a special interest in medical ethics. She is an engaging speaker, a highly skilled in both written and verbal communication, and facilitator and is passionate about ...
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Anca Pamfil, MD

Pediatric Endocrinology, General Pediatrics

DFW Pediatric Endocrinology PLLC

Plano, Texas
Pediatric Endocrinology, Pediatrics - general pediatrics, diabetes, hypothyroidism, thyroid, hormones, adrenal hormones, obesity medicine, nutrition, growth hormone deficiency, short stature, precocious puberty, pituitary disease, hypoglycemia, growth, pediatric endocrinology, insulin resistance, weight loss
Dr. Anca Pamfil is a highly qualified and experienced physician specializing in pediatric medicine, with triple board certifications in General Pediatrics, Pediatric Endocrinology and Obesity medicine. With a robust background in managing endocrine and pediatric disorders in children, Dr. Anca Pamfil is committed to delivering compassionate and evidence-based care tailored to the unique needs of each patient. Expertise: - Comprehensive knowledge of pediatric endocrine disorders, including but not limited to diabetes, growth disorders, thyroid disorders, puberty disorders and metabolic syndromes. - Extensive clinical experience treating diverse patient populations, ensuring culturally competent care through fluency in both English and Spanish. - Proven ability to communicate complex medical information to a variety of audiences, including parents, healthcare providers, and legal professionals. Previous Experience: - Served as a medical board reviewer for the Texas Medical B...
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Erin D. Roe, MD, MBA, FACP

Triple Board Certified Diabetes Expert Witness

Sol Endocrinology, PLLC

Dallas, Texas
Internal Medicine, Endocrinology - Internal Medicine, Diabetes, Hypoglycemia, Ketoacidosis, Obesity Medicine, Weight loss, Nutrition, Bariatric Medicine, Hormones, Insulin pumps, Testosterone, Estrogen, Hormone replacement therapy
Internal Medicine Residency: Duke University Endocrinology Fellowship: Univ Texas Southwestern, Dallas Board certifications: Internal Medicine, Endocrinology, Diabetes & Metabolism, and Obesity Medicine Dr. Roe provides expert review in personal injury and wrongful death cases involving patients with complex medical problems including diabetes and obesity, where the volume of medical information can obscure key details vital to resolving questions of causation. Her medical office can download and interpret insulin pump and glucose monitor data to create meaningful exhibits to help Courts understand the contribution of glucose variability in accident and injury cases. Dr. Roe trained at a large county-based public hospital which offered exposure to all disease stages and complications of diabetes in patients from all walks of life. As a practicing endocrinologist, she participated in medical research on novel diabetes therapeutics and the NIH-sponsored GRADE study. She is a clini...
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Megan Melo, MD

Board-Certified Obesity & Family Physician Expert

Healthier For Good PLLC

Seattle, Washington
Obesity, Family Medicine - Ozempic, Wegovy, Zepbound, Mounjaro, semaglutide, tirzepatide, GLP1, Obesity Medicine, Substandard Care, Prediabetes, Weight Management, Menopause, Metabolic Health, Birth Control, Heart Disease Prevention, Weight Bias, Reproductive Health, Hormone Replacement Therapy, Women's Health, Cholesterol
Dr. Megan Melo, MD, is a Board-Certified Obesity and Family Medicine Physician with extensive experience in adult obesity management and primary care for both children and adults. She is uniquely positioned to assist attorneys with cases involving a wide range of medical issues, including obesity management, with special expertise in the use of obesity medications such as Ozempic/Wegovy and Mounjaro/Zepbound, cardiometabolic health (prediabetes, weight gain, heart disease prevention), pre-pregnancy counseling, miscarriages, contraception, menopause, and concussions. Dr. Melo’s comprehensive understanding of women’s health, particularly around metabolic care, menopause care, and reproductive health, makes her an invaluable expert witness for cases related to these areas. In addition to her clinical expertise, Dr. Melo is recognized for her ability to effectively communicate complex medical concepts in a clear, accessible way, both to her patients and in the legal arena. A gifted sp...
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Ayman S Elbatanony, MD/DO/MBA

Board-Certified MD | Hospitalist & ER Expert

Sussex, Wisconsin
Hospitalist, Emergency Medicine - Hospitalist Medicine, Primary Care, Rural Medicine, Emergency Medicine, Obesity Medicine, Hypertension, Diabetes Mellitus, Heart Failure, Myocardial Infarction , Sepsis, Stroke , Pulmonary Embolism, Medication Errors, Anticoagulation , Discharge Planning , Failure to Diagnose, Chest Pain , Critical Access Hospital, Standard of Care
Dr. Ayman Elbatanony, MD, MBA is a board-certified internal medicine physician with extensive experience in high-acuity and rural healthcare settings. He completed medical school in both Egypt and the United States, bringing a unique dual perspective to clinical practice. He has nearly four years of rural medicine experience, including emergency department and critical access hospital coverage, and two years as a dedicated hospitalist. His clinical background encompasses acute care, cardiology-focused medicine, and complex case management across emergency, inpatient, and outpatient environments. Dr. Elbatanony has been retained in a defense case, authoring a detailed, evidence-based expert report that was accepted in full by counsel. His reports are prepared to litigation standards—clear, scientifically rigorous, and defensible under cross-examination. While he has not yet testified at deposition or trial, he is known for being highly responsive, available, and able to translate co...