Allergy Expert Witnesses
Allergy 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 allergy. The allergy expert witness listings on this page are typically from fields/areas of expertise such as: Allergy & Immunology, Dermatology, Internal Medicine, Occupational Medicine, Otolaryngology, Pediatric Emergency Medicine, Pediatrics, Plastic Surgery, Plastic Surgery Within the Head and Neck, and Sleep Medicine.
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Richard R Rosenthal, M.S., M.D, FACP
Richard R. Rosenthal,M.D., Ltd
Allergy & Immunology, Mold
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Toxic mold, asthma, pulmonary disease, junk science
Experienced in defense of "toxic mold" litigation. Trained in allergy and pulmonary medicine. Law school classroom experience and participation in Evidence, Trial Advocacy, Science of Evidence, Medical Malpractice and Litigation.
References available.
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Soheil Simzar, MD FAAD
Double Board-Certified Dermatologist, Mohs Surgeon
Santa Monica, California
Dermatology
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Skin Cancer, Mohs, Skin, Burn, Scar, Rash, Allergy, Surgery, Bites, Melanoma, Laser, Filler, Botox, Infection, Ulcer, Wound, Cosmetic, Standard of Care, Injury, Veins
Dr. Soheil Simzar, MD is a double board-certified dermatologist and Mohs micrographic surgeon with extensive experience in the diagnosis and medical/surgical management of skin disease and skin cancer. He has performed over 30,000 dermatologic surgeries and is known for careful clinical judgment, thorough documentation, and a practical understanding of how dermatology is delivered in real-world outpatient settings.
Education & Training
• University of California, Los Angeles (UCLA): undergraduate education, medical school, dermatology residency, and advanced surgical dermatology/Mohs training; served as Chief Resident.
Clinical & Procedural Expertise
• Mohs micrographic surgery for basal cell carcinoma and squamous cell carcinoma (including high-risk tumors and anatomically challenging locations)
• Surgical excision of melanoma and non-melanoma skin cancers; evaluation of atypical melanocytic lesions
• Reconstruction and wound management, including complex closures, flaps, grafts,...
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Lee M Mandel, MD, JD, FACS, FARS
Double Board Certified Otolaryngologist; JD degree
Florida Sinus & Snoring Specialists, LLC
Fort Lauderdale, Florida
Otolaryngology, Plastic Surgery Within the Head and Neck
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Sinus Surgery, Nasal Surgery, Allergy, Balloon Sinuplasty, Rhinoplasty, Product Liability
Lee M. Mandel, M.D., J.D.
Board-Certified Otolaryngologist & Facial Plastic Surgeon – Legal Medicine Expert
Dr. Mandel is a board-certified otolaryngologist and facial plastic surgeon with 30 years of clinical experience specializing in rhinology (sinus and nasal surgery) and sleep apnea surgery. He holds dual board certifications and a Juris Doctor from Syracuse University College of Law (2024), having passed the Florida Bar.
Dr. Mandel provides expert consultation and testimony in medical malpractice and product liability litigation, bringing both medical and legal insight to complex ENT cases. He has been retained approximately 20 times and testified in two trials, both resulting in favorable verdicts for his side.
Areas of Expertise:
• Sinus and nasal surgery (including balloon sinuplasty)
• Sleep apnea and airway reconstruction
• Facial trauma and surgical complications
• Product liability – medical devices and pharmaceuticals
• Standards of care in otolaryngology
Licenses:...
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Jerome Siegel, MD, MPH
Occupational & Environmental Medicine Physician
Naples, Florida
Occupational Medicine, Internal Medicine
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workplace exposure, work injury, environmental, allergy, asthma, mold, indoor air quality, chemicals, drugs, toxins, multiple chemical sensitivity, musculoskeletal, orthopedic rehab, chronic pain, traumatic brain injury, TBI, long Covid, catastrophic, physical impairment, long term disability
Board-Certified Occupational Medicine/Preventive Medicine and Internal Medicine Physician. Master of Public Health (MPH), Boston University School of Public Health.
More than 30 years of clinical, administrative, and expert witness experience in Occupational Medicine, Environmental Medicine, Internal Medicine, rehabilitation, disability evaluation, physical impairment assessment, quality assurance, utilization review, medical policy, level-of-care determinations, standards of care, medical causation, apportionment, Social Security disability, short-term disability, long-term disability, and workers’ compensation matters.
Expertise includes environmental and occupational exposures, mold, indoor air quality, water-damage-related exposures, chemical and toxic exposures, workplace injuries and illnesses, occupational disease, allergies, asthma, respiratory conditions, musculoskeletal injuries, rehabilitation, chronic pain, traumatic brain injury, Long COVID, catastrophic injury, disab...
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Jared Friedman, MD
Pediatric/Pediatric Emergency and ALL Peds Cases
Miami, Florida
Pediatrics, Pediatric Emergency Medicine
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Child, Toddler, Newborn, Teen, Adol, Pediatric, Emergency, ER, Trauma, Surgery, Abuse, Neglect, Sepsis, Respiratory, URI, Asthma, Pneumonia, Meningitis, Fever, Allergy
*PEDIATRIC EMERGENCY MEDICINE ATTENDING PHYSICIAN - Joe DiMaggio Children's Hospital - Memorial Healthcare System - Hollywood, Florida
*CLINICAL AFFILIATE ASSISTANT PROFESSOR IN PEDIATRICS- Charles E. Schmidt College of Medicine - Florida Atlantic University (FAU)
*CORE CLINICAL FACULTY - Pediatric/Pediatric ER Educator, Mentor, and Lecturer for Emergency Medicine and Pediatric Residents - Joe DiMaggio Children Hospital - Memorial Healthcare System - Hollywood, Florida
*MEDIAL DIRECTOR - Prescribed Pediatric Extended Care (PPEC) in South Florida
*ON-LINE MEDICAL CONTROL/MEDICAL ADVISORY BOARD - Hatzalah - Not-for-Profit Community-Based State-Certified EMT/Paramedic Organization in South Florida
*STARDOC - EXCLUSIVE PEDIATRIC CONCIERGE HOME SERVICES
*EXPERT MEDICAL WITNESS IN EVERYTHING PEDIATRICS/PEDIATRIC EMERGENCY MEDICINE RELATED
*AUTHOR AND PRESENTER:
Numerous Book Chapters, Journal and Magazine Articles, Podium and Poster Presentations, and CME Courses!
*PEDIATRICS -...
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Elliot Lieberman, M.D.
Highland Park, Illinois
Otolaryngology
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Allergy, ear disorders, hearing loss, tinnitus, ear infections, facial nerve injury, cerebrospinal fluid leak, endoscopic and balloon sinus surgery, facial trauma, vocal cord paralysis, laryngology, sleep apnea, snoring, head and neck surgery
Dr. Lieberman is a board certified Otolaryngologist-Head and Neck Surgeon and member of the American Academy of Otolaryngology-Head and Neck Surgery. He earned a Bachelor of Science (Sc.B.) in Biochemistry and Molecular Biology with Honors at Brown University. He then received his medical degree from the University of Illinois at Chicago. Subsequently, he completed his General Surgery internship and Otolaryngology residency at the University of Illinois at Chicago and Illinois Eye & Ear Infirmary. He maintains an active practice in Illinois and provides expert medical opinions in all areas of ear, nose and throat. He has particular clinical interest and expertise in ear disorders and sinus problems. His reviews are concise, thorough and prompt.
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John T McMahan, MD
ENT Surgeon – Surgical Complications Expert
Carpentersville , Illinois
Otolaryngology, Sleep Medicine
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Allergy, Balloon ET procedures, Rhinology, Dive medicine , Hearing , Vertigo, Head & Neck Surgery, Laryngology, Thyroid, Rhinoplasty, Sinus Surgery, Balloon Sinus procedures
John T. McMahan, MD, FACS is a board-certified otolaryngologist with over 40 years of clinical and surgical experience. He completed fellowship training in Head and Neck Oncology and has extensive experience across the full spectrum of otolaryngology, including general ENT, rhinology, sinus disease, sleep-related procedures, and complex airway management.
Dr. McMahan served on the faculty at Northwestern University and has held multiple clinical and leadership roles in both academic and private practice settings. His career includes comprehensive surgical care, perioperative management, and evaluation of complex diagnostic and treatment decisions in otolaryngology.
He has over 20 years of experience as a medical-legal consultant and expert witness, providing services to both plaintiff and defense counsel. His work includes medical record review, case merit assessment, expert report preparation, deposition testimony, and trial consultation.
Areas of expertise include standard of c...
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Walter Liszewski, MD
Dermatologist and allergist - Northwestern Faculty
Associate Professor
Chicago, Illinois
Dermatology, Occupational Medicine
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Contact dermatitis, Allergy, Eczema, Acne, Rosacea, Melanoma, Alopecia, Hair loss, Skin cancer, Disability, Toxicology, Occupational health, Occupational injuries, Tattoo, Isotretinoin, Allergic contact dermatitis, Hair dye, Makeup, Shampoo, Metal allergy
I am an Associate Professor of Dermatology and Cancer Epidemiology at Northwestern University, with over six years of experience as a general dermatologist and specialist in patch testing.
My clinical work centers on diagnosing allergic reactions to personal care products and occupational exposures. These include sensitivities to substances such as hair dye, cosmetics, shampoos, gloves, medications, jewelry, metal implants, tattoos, medical devices, and industrial chemicals. I frequently consult on cases involving occupational medicine and disability related to chemical allergies and toxicity. In addition to my focus on allergies, I also treat a wide range of dermatologic conditions including skin cancer, melanoma, hair loss, acne, rosacea, warts, hidradenitis suppurativa, psoriasis, and eczema.
I currently serve on the Board of Directors for both the American Contact Dermatitis Society and the European Society of Tattoo and Pigment Research. I have acted as a site Principal Inves...
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Donald Accetta, MD, MPH
Walpole, Massachusetts
Allergy & Immunology
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Allergy, Allergist, Mold, Asthma, Sick Building, Latex, Multiple Chemical Sensitivity, Occupational Allergy, Occupational Asthma, Drug Patent Infringement (limited to allergy/asthma), Drug Allergy, food allergy, Malpractice
Past President Massachusetts & New England Allergy Societies, Board Member of MA Board of Registration in Pharmacy (2004-2013), more than 50 depositions, 11 trials ,patent infringement (2 cases), Board Certified, private practice.
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Marc Serota, MD
Rockville Centre, New York
Dermatology, Allergy & Immunology
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Dermatology, skin cancer, melanoma, eczema, psoriasis, atopic dermatitis, allergy, allergic reaction, stevens johnson syndrome, toxic epidermal necrolysis, vaccine, moles, rash, hives, anaphylaxis, allergy shots, allergy testing, asthma, occupational asthma, environmental allergy
Dr. Serota is considered a national expert on dermatologic and allergic/asthma topics. He lectures nationally and has published numerous articles in his areas of expertise. He has served as an expert witness on cases ranging from asthma, allergies, occupational issues/exposures as well as skin conditions and skin cancers. He graduated medical school at the age of 23. He has the unique distinction of being triple board certified in dermatology, allergy/asthma/immunology and pediatrics. He is licensed to practice medicine in 25 states: AL, AZ, CA, CO, FL, HI, IA, ID, IL, KS, LA, MO, MS, MT, NE, NH, NY, NV, SD, TX, UT, WA, WI, WV, WY. He is willing to travel as necessary.
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Stephen M Sandelich, MD
Pediatric Emergency Medicine/General Pediatrics
Penn State Health Milton S. Hershey Medical Center
Hummelstown, Pennsylvania
Pediatric Emergency Medicine, Pediatrics
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Pediatric Emergency Medicine, Substance Abuse Disorders, Emergency, Critical Care, General Pediatrics, Sedation, Mental Health Emergencies, Airway Emergencies, Resuscitation, Pain, Respiratory Emergencies, Cardiology, Sepsis, Poisoning, Nutrition, Orthopedics, Dehydration, Asthma, Shock, Allergy
Dr. Stephen M. Sandelich, a distinguished pediatric emergency medicine physician, currently serves as an Attending Physician at Penn State Health Milton S. Hershey Medical Center and holds an Assistant Professorship in Emergency Medicine and Pediatrics. With a robust educational background, Dr. Sandelich obtained his Doctor of Medicine degree from Drexel University College of Medicine and completed his residency in Pediatrics at St. Christopher’s Hospital for Children, followed by a fellowship in Pediatric Emergency Medicine at Nemours/AI duPont Hospital for Children.
Dr. Sandelich's clinical and research expertise encompasses a wide range of pediatric emergencies, including but not limited to substance abuse disorders, mental health crises, and the development of emergency department-based interventions. His certifications include BLS, ACLS, PALS, and ATLS, ensuring his comprehensive preparedness for emergency medical situations.
Throughout his career, Dr. Sandelich has demonstra...
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Michael Armstrong, MD
ENT - Otolaryngologist - Facial Plastic Surgeon
Richmond ENT
Richmond, Virginia
Otolaryngology, Plastic Surgery
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Facial Plastic Surgery, Ears, Nose, Throat, Allergy, Sinus, Hearing Loss, Tinnitus, Vertigo, Dizziness, Head and Neck Cancer, Strangulation, Mold Exposure, Noise Exposure, Balloon Sinuplasty
When an accident or illness leaves a patient injured, it often requires a seasoned professional to interpret and explain the medical record. Dr. Armstrong is an experienced ear, nose, and throat surgeon with advanced training in allergy, sinus surgery and facial plastic surgery. He is also a trained expert witness who has assisted plaintiff and defense attorneys in more than 400 criminal, medical liability, personal injury, and disability cases. Recent cases have included 3M Combat Arms Earplugs, Defense Base Act claims, motor vehicle accidents, hospital deaths, missed cancers, strangulation, tinnitus, hearing loss, throat injuries, and surgical complications following difficult intubation, neck dissections, tonsillectomies, nasal and sinus surgeries, and facial cosmetic surgery. Dr. Armstrong has been a Principal Investigator in 44 clinical trials involving medical treatment of sinusitis, balloon sinus dilation, posterior nasal nerve ablation, sudden hearing loss, noise-induced hea...