Emergency Care Expert Witnesses
Emergency care 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 emergency care. The emergency care expert witness listings on this page are typically from fields/areas of expertise such as: Emergency Medicine, Mental Health, Pediatric Emergency Medicine, and Social Work.
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Zaza U Atanelov
Emergency Medicine Physician- Cedars Sinai Medical
ZARAMD INC
Arizona
Emergency Medicine, Pediatric Emergency Medicine
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Trauma- ATLS Instructor, Critical Care, Brain Trauma, Airway Injurys, Burns, Accidental Trauma, Electrocution, Fractures, Orthopedic Injuries, Nerve Pain, Traumatic Brain Injury, Emergency Care, Heart Attack, Cardiac Arrest, Respiratory Arrest, Urgent Care, Radiculopathy, Back pain, Infections, Board Certified
I am a board‑certified Emergency Medicine physician and current attending at Cedars‑Sinai Medical Center with experience teaching trauma and emergency care. I regularly educate and supervise emergency medicine residents, physician assistants, and medical students, serve as an ATLS instructor, and teach trauma evaluation and resuscitation in high‑acuity clinical settings.
My teaching background include pediatric emergency medicine lectures, ultrasound lectures, EKG lectures, ATLS/Trauma lectures, bedside instruction, and formal didactics, allowing me to clearly explain standards of care and clinical decision‑making to attorneys, judges, and juries. I bring a practical, evidence‑based approach to case review, report preparation, and testimony grounded in contemporary academic emergency department practice.
Topics addressed in cases include:
Failure to Diagnose
Missed Diagnosis
Delayed Diagnosis
Pain & Suffering
Ischemia
Causation
Personal Injury
Delay in Care
Delay in Transfer
Nerv...
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Patrick Ngo, MSW, LCSW
Mental Health & Social Work Expert Witness
Patrick Ngo Psychotherapy Inc.
Santa Clara, California
Mental Health, Social Work
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Social Work, Triage, Lanterman Petris Short LPS, Involuntary Commitment, Suicide, Crisis Intervention, Risk Assessment, Behavioral Health, Patient Rights, Standard of Care, Severe Mental Illness (SMI), Psychosis, Schizophrenia, Bipolar, Anosognosia, Emergency Care, Joint Commission (JCACO), HEDIS, CMS, EMTALA
I am a California Licensed Clinical Social Worker (LCSW #76279) with over a decade of mental health experience across outpatient psychotherapy, acute inpatient psychiatric care, psychiatric emergency settings, and the public/community mental health system. I provide case consultation, medical-record review, and expert testimony on the mental health standard of care for both plaintiff and defense counsel.
I own and operate a private psychotherapy practice, providing evidence-based individual therapy, including onsite psychotherapy on corporate campuses. I treat the full range of common mental health conditions, including depression, anxiety, trauma, and stress- and adjustment-related disorders. Drawing on this practice, I evaluate whether clinicians met the outpatient standard of care in clinical social work (LCSW and LMSW/MSW) — including clinical assessment and diagnosis, treatment planning and appropriate level of care, the therapeutic relationship, professional boundaries and in...
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Zaza U Atanelov
Emergency Medicine Physician- Cedars Sinai Medical
ZARAMD INC
Los Angeles, California
Emergency Medicine, Pediatric Emergency Medicine
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Trauma- ATLS Instructor, Critical Care, Brain Trauma, Airway Injurys, Burns, Accidental Trauma, Electrocution, Fractures, Orthopedic Injuries, Nerve Pain, Traumatic Brain Injury, Emergency Care, Heart Attack, Cardiac Arrest, Respiratory Arrest, Urgent Care, Radiculopathy, Back pain, Infections, Board Certified
I am a board‑certified Emergency Medicine physician and current attending at Cedars‑Sinai Medical Center with experience teaching trauma and emergency care. I regularly educate and supervise emergency medicine residents, physician assistants, and medical students, serve as an ATLS instructor, and teach trauma evaluation and resuscitation in high‑acuity clinical settings.
My teaching background include pediatric emergency medicine lectures, ultrasound lectures, EKG lectures, ATLS/Trauma lectures, bedside instruction, and formal didactics, allowing me to clearly explain standards of care and clinical decision‑making to attorneys, judges, and juries. I bring a practical, evidence‑based approach to case review, report preparation, and testimony grounded in contemporary academic emergency department practice.
Topics addressed in cases include:
Failure to Diagnose
Missed Diagnosis
Delayed Diagnosis
Pain & Suffering
Ischemia
Causation
Personal Injury
Delay in Care
Delay in Transfer
Nerv...
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Joshua N Wallenstein, MD, FACEP
EM Expert, Professor, National Educator
Emory University / Grady Memorial Hospital
Atlanta, Georgia
Emergency Medicine
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Emergency care, Trauma, Stroke, Seizure, Headache, Neurologic emergencies, Cardiac, Heart attack, Clinical reasoning, Infectious disease, Bias, Practice guidelines, Clinical reasoning, Medical error
Dr. Joshua Wallenstein is a Professor of Emergency Medicine at Emory University School of Medicine and a board-certified emergency physician with more than two decades of clinical experience at Grady Memorial Hospital, one of the nation’s largest emergency departments and trauma centers. His expertise includes emergency care standards, clinical decision-making, cognitive bias in medicine, and physician education.
Dr. Wallenstein is a national leader in medical education and currently serves as Director of the Clinical Reasoning Thread at Emory, where he leads curriculum development focused on diagnostic reasoning, patient safety, and evidence-based care. An award-winning educator, he has received multiple distinguished teaching honors and has delivered invited lectures nationally and internationally on seizure management, neurologic emergencies, trauma care, cognitive bias in clinical decision-making, and strategies to improve diagnostic accuracy in emergency settings. His peer-rev...
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Zaza U Atanelov
Emergency Medicine Physician- Cedars Sinai Medical
ZARAMD INC
Nevada
Emergency Medicine, Pediatric Emergency Medicine
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Trauma- ATLS Instructor, Critical Care, Brain Trauma, Airway Injurys, Burns, Accidental Trauma, Electrocution, Fractures, Orthopedic Injuries, Nerve Pain, Traumatic Brain Injury, Emergency Care, Heart Attack, Cardiac Arrest, Respiratory Arrest, Urgent Care, Radiculopathy, Back pain, Infections, Board Certified
I am a board‑certified Emergency Medicine physician and current attending at Cedars‑Sinai Medical Center with experience teaching trauma and emergency care. I regularly educate and supervise emergency medicine residents, physician assistants, and medical students, serve as an ATLS instructor, and teach trauma evaluation and resuscitation in high‑acuity clinical settings.
My teaching background include pediatric emergency medicine lectures, ultrasound lectures, EKG lectures, ATLS/Trauma lectures, bedside instruction, and formal didactics, allowing me to clearly explain standards of care and clinical decision‑making to attorneys, judges, and juries. I bring a practical, evidence‑based approach to case review, report preparation, and testimony grounded in contemporary academic emergency department practice.
Topics addressed in cases include:
Failure to Diagnose
Missed Diagnosis
Delayed Diagnosis
Pain & Suffering
Ischemia
Causation
Personal Injury
Delay in Care
Delay in Transfer
Nerv...