Boutique, Physician-Led Internal Medicine · Greenwich, CT
A more personal standard of internal medicine.
Marcus Medicine is a boutique practice in Greenwich offering unhurried visits, direct physician access, and specialized expertise in medical weight loss, metabolic health, and fatty liver disease.
Direct phone, text & email access to Dr. James Marcus
About Dr. James Marcus
Care, the way medicine was meant to be
Dr. James Howard Marcus founded Marcus Medicine with a simple belief: the best medical care happens when a physician truly knows their patients.
Early in his career, he recognized that traditional healthcare had become rushed and impersonal — shorter visits, longer waits, and less time to listen. The relationships that once defined medicine were disappearing.
By devoting more time and attention to each patient, Dr. James Marcus is able to offer something increasingly rare: presence, direct access, and genuine partnership in your health. Patients can reach him directly — by phone, text, or email — and are seen promptly when they need it.
Patients know him for his thoroughness, calm presence, and meticulous attention to detail. Visits are never rushed. Conversations are never superficial. Every plan is personal.
Training & Credentials
- —Medical degree from the Faculty of Medicine at Tel Aviv University (formerly the Sackler Faculty of Medicine)
- —Residency at The Jewish Hospital, affiliate of the University of Cincinnati
- —Fellowship-trained in hepatology at Beth Israel Deaconess Medical Center, a Harvard-affiliated hospital
- —Board certified in Internal Medicine and Obesity Medicine
- —Over 10 years of hospitalist experience managing complex, higher-acuity care
- —Advanced expertise in metabolic health, weight management, and liver disease
Because great medicine is not just about adding years to life — but quality to those years.
Who It's For
Who Marcus Medicine Is Designed For
A practice built for patients who want time, expertise, and a steady hand in their long-term health.
Preventive health planning
A proactive strategy to optimize your health for the long term.
Longer visits & direct access
Unhurried appointments and direct communication with your physician.
Proactive long-term health
A relationship-based approach focused on outcomes, not volume.
If you value discretion, direct access, and a long-term relationship with your doctor, you will feel at home here.
What's Included
Comprehensive, high-touch care
Every element of care is built around attention, access, and continuity.
Personalized attention
- Extended, unrushed appointments
- Telehealth
- Comprehensive annual health planning
Direct physician access
- Direct phone, text, and email access to Dr. James Marcus
- Rapid responses to urgent concerns
- Visits scheduled without the typical wait
Preventive & specialized care
- Advanced metabolic and cardiovascular risk assessment
- Weight and lifestyle medicine
- Liver health expertise
- Preventive screenings and diagnostics
- Coordination with top specialists
Continuity
- A physician who remembers your history and preferences
- Consistent follow-through across visits, labs, and specialists
Healthcare should feel reassuring — never transactional.
FAQ
Frequently Asked Questions
Get in Touch
Take the next step in your care.
Reach out to introduce yourself, ask a question, or schedule your first visit with Dr. James Marcus.
Questions? Call (203) 614-9194 or email james@marcusmedicine.com