A practicing emergency physician who thinks like an analyst.
Andrew Tisser, DO, MBA, CPE, CHCQM-PHYADV pairs active emergency medicine expertise with the disciplined record analysis of a physician executive, and applies both, objectively, to every case.
Dr. Tisser is a board-certified emergency physician with more than ten years of clinical practice. He has been retained on 75+ medical-legal matters by both plaintiff and defense counsel, and is available to attorneys nationwide.
His perspective is shaped by the full range of emergency practice environments, from academic teaching hospitals to rural, critical access departments where a single physician covers everything that arrives. That breadth matters: the standard of care is applied in context, and context is exactly what he has lived.
Away from the bedside, years spent as a physician advisor and medical director built a habit of reading records closely, interpreting guidelines carefully, and writing determinations that withstand scrutiny. That analytical rigor is what attorneys feel in his reports and testimony.
Qualifications, stated accurately.
No overstatement. Each credential is current and verifiable.
Where the expertise comes from.
Two distinct bodies of work, clinical and analytical, that together make the review unusually thorough.
Board-Certified Emergency Physician
More than a decade practicing emergency medicine across academic, community, rural, critical access, and trauma settings, the full spectrum of environments in which emergency care is delivered.
Associate Chair, Emergency Medicine
Helped lead emergency department operations, quality, and clinical standards as a physician advisor and associate chair, the vantage point from which systems failures, boarding, triage, and supervision issues are best understood.
Utilization & Quality Review
Daily analysis of complex medical records, guideline interpretation, and detailed written determinations, the discipline that now underpins meticulous record review.
Medical Director, Medicare Advantage
Current medical director experience in a Medicare Advantage setting (Alignment Health, 2026 to present), preceded by health plan medical director work at Humana (2023 to 2026), where he issued thousands of written clinical determinations. This work strengthens analytical rigor; it is distinct from emergency medicine practice.
Emergency care looks different in every department.
Resources, staffing, and access vary widely. A defensible standard-of-care opinion accounts for the setting, and Dr. Tisser has practiced across all of them.
Academic
Teaching institutions and resident supervision
Community
High-volume community emergency departments
Rural & Critical Access
Resource-limited, single-coverage settings
Trauma
Acute resuscitation and stabilization
“My job is not to decide who wins. It is to explain, clearly and honestly, whether the care met the standard a reasonable emergency physician would have delivered under the same conditions.”
DO, MBA, CPE, CHCQM-PHYADV
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