What If Growing Your Medical Practice Is the Wrong Goal? with Dr Mark Rosenberg

Send us Fan MailSuccess in private medicine often gets defined by numbers: more patients per day, more staff, more locations, higher revenue. We challenge that story with Dr Mark Rosenberg, a board-certified emergency medicine physician and former emergency department leader at Walter Reed who chooses the opposite path: a deliberately low-volume clinical practice built around time, depth, and fewer mistakes. He explains why he sits with patients for an hour, how that changes decision-making, and why he refuses to let “throughput” become the main measure of good medicine. Mark also shares the personal moment that redirected his career into integrative oncology and cancer research: his mother walking into the emergency department with chest pain, leading to a devastating metastatic diagnosis. From that point, he dives into the science of cancer metabolism, cancer stem cells, and the uncomfortable reality that many breakthroughs never reach patients. We explore what blocks progress in oncology: trial funding, bureaucracy, and the lack of intellectual property that can make potentially helpful treatments commercially invisible. We also talk longevity medicine, the practical pros and cons of concierge-style fees, and why boundaries become the hidden operational risk when patients have direct access to their doctor. Mark discusses current innovation, including an extracorporeal approach aimed at circulating tumour clusters, and a canine hemangiosarcoma study designed to prove impact quickly in veterinary oncology and potentially fund human trials. The conversation ends somewhere unexpected: meaning, suffering, and how science shaped his evolving beliefs while he writes A Doctor’s Conversation With God. If you care about patient-centred care, medical leadership, oncology innovation, and redefining what a successful medical career can look like, subscribe, share this with a colleague, and leave a review. What would you prioritise if you could redesign your working week?Guest BiographyDr. Mark A. Rosenberg is a board-certified Emergency Medicine physician whose career spans emergency medicine, longevity, integrative oncology, medical leadership, research and innovation.After training and working in Emergency Medicine - including leadership of an Emergency Department at Walter Reed - Dr. Rosenberg became involved with the American Academy of Anti-Aging Medicine and developed a growing interest in preventive health and longevity.His professional direction changed profoundly following his mother's diagnosis with metastatic cancer in 2004. His subsequent work has included integrative oncology, cancer stem-cell research and the development of novel approaches to cancer treatment. He has also served as Program Director for an integrative cancer fellowship and holds leadership and advisory roles across several healthcare organisations.More recently, Dr. Rosenberg was awarded a patent relating to an extracorporeal filter intended to remove circulating tumour clusters and is working toward further studies of the technology.Alongside his medical and research work, he writes about science, medicine, mortality and the nature of human life.Contact Dr RosenbergWebsite: https://amtcare.comLinkedIn: https://www.linkedin.com/in/mark-rosenberg-6092006/Book: 'Curing Death' https://www.amazon.com/s?k=%22Curing+Death%22+%22Mark+Rosenberg%22 Subscribe on SubstackVoices in Health and Wellness is published on Substack, as part of The Diagnostician. Every episode lands there with written notes and reflections you won't find in the podcast feed. Free to subscribe.👉 https://thediagnostician.substack.com/s/voices-in-health-and-wellnessAbout the podcastVoices in Health and Wellness features conversations at the intersection of medicine, lifestyle, and human potential, with clinicians, scientists, and thinkers shaping the future of care.About Dr Andrew GreenlandUK-based medical doctor and founder of Greenland Medical, specialising in Integrative and Functional Medicine. Trained in both conventional and root-cause approaches, Andrew helps people optimise health, performance, and longevity, with a focus on cognitive resilience and healthy ageing.