Dr. Ronald Primas has been a pioneer in concierge medicine since 1993 — making him one of New York City's longest-tenured concierge physicians. His practice, located at 952 Fifth Avenue, Suite 1D, on Manhattan's Upper East Side, overlooks Central Park and serves patients 24 hours a day, 7 days a week, 365 days a year through office visits, hotel calls, and house calls. Board-certified in Internal Medicine and a Fellow of both the American College of Physicians and the American College of Preventive Medicine, Dr. Primas combines three decades of clinical excellence with a modern longevity medicine platform. His Castle Connolly Top Doctor recognition reflects the consistent trust patients place in him as a central coordinating physician for complex health needs in New York City.

About the Physician

Dr. Ronald A. Primas, MD, FACP, FACPM is a board-certified internist doubly re-certified by the American Board of Internal Medicine, a Fellow of the American College of Physicians, and a Fellow of the American College of Preventive Medicine. He is also doubly credentialed in Travel Medicine by the leading national and international travel health organizations. Dr. Primas graduated from the American University of the Caribbean School of Medicine in 1986 and has since built one of New York City's most distinctive concierge practices — blending old-fashioned bedside medicine with cutting-edge longevity protocols. He has been described as a modern-day Marcus Welby, MD: available at any hour, deeply attentive, and deeply knowledgeable across internal medicine, preventive medicine, travel medicine, and longevity science. He serves NYC residents, corporate executives, VIP and celebrity clients, and international travelers visiting New York City.

Services Offered

• Concierge Longevity Medicine — Personalized longevity protocols targeting biological age, healthspan optimization, and long-term disease prevention, delivered with the access and continuity of a true concierge physician relationship.
• VIP & Celebrity Concierge Medicine — Discreet, world-class medical care for high-profile, VIP, and celebrity clients, available by house call, hotel call, or private office visit at any hour.
• Hotel & House Calls (24/7) — On-demand in-person medical care delivered wherever you are in Manhattan — hotel rooms, residences, or event venues — around the clock, every day of the year.
• Corporate & Executive Health — Comprehensive wellness programs for executives and corporate teams, including advanced diagnostics, health risk assessment, and occupational health coordination.
• Performance Optimization — Precision medicine protocols for high-performing professionals and athletes seeking to enhance cognitive function, physical performance, energy, and recovery.
• Integrative Medicine — Holistic and evidence-based integrative care combining conventional internal medicine with complementary approaches to address root-cause health issues.
• Travel Medicine — Pre-travel consultations, vaccinations, and post-travel illness management from a physician doubly credentialed by national and international travel health organizations.
• Primary Care & Urgent Care — Comprehensive primary and urgent care for NYC residents and visitors, with same-day and after-hours availability and no wait times.
• Precision Medicine — Advanced diagnostic workups, genomic insights, and personalized treatment plans built around each patient's unique biology, history, and goals.
• Special Event & Tour Medical Services — On-site medical coverage for artists, talent, film productions, sporting events, and large gatherings throughout New York City and on tour.

What to Expect

New patients can reach Dr. Primas's office 24 hours a day at 212-737-1212. The office is located at 952 Fifth Avenue, Suite 1D, New York, NY 10075, on the Upper East Side overlooking Central Park. House calls, hotel calls, and office appointments are all available. Patients with complex needs benefit from Dr. Primas's role as a central coordinating physician with access to leading New York City specialists.