Joshua A. Ronen, MD, FACP
Joshua A. Ronen, MD, FACP is a board-certified internal medicine physician practicing hospital-based medicine as a direct care hospitalist in Southern California. His clinical work focuses on the care of acutely ill hospitalized adult patients.
He independently provides expert medical review, standard of care analysis, and expert witness testimony for attorneys nationwide in matters involving hospital-based internal medicine and medical malpractice litigation.
See Dr. Ronen’s Qualifications as a Hospital Medicine Expert Witness
At a Glance
- Board-Certified, Internal Medicine
- Fellow, American College of Physicians (FACP)
- Active California medical license
- Active Hospitalist practice
- Physician Advisor, Utilization Management
- Author of 11 peer-reviewed publications (PubMed-indexed)
- Available to plaintiff and defense counsel
Areas of Expertise
Dr. Ronen provides independent expert review across hospital medicine and internal medicine case types, including:
- Hospital Medicine & Internal Medicine Case Types — standards of care, diagnostic accuracy, and clinical deterioration
- Sepsis Expert Witness — recognition, treatment, and escalation of care
- Delayed Diagnosis Expert Witness — diagnostic delay and missed-diagnosis review
- Hospitalist Standard of Care Expert Witness — compliance with accepted hospitalist standards of care
- Failure to Escalate Care Expert Witness — clinical deterioration and escalation of care
- Expert Witness Services — medical record review, deposition and trial testimony
Have questions first? See the Expert Witness FAQ.