For active adults with knee, shoulder, tendon, or joint pain who aren't ready for surgery — or want to know if surgery is even the right answer.
A focused 60-minute visit with a board-certified orthopedic surgeon. We evaluate your specific joint or tendon issue — and, in the same visit, cover peptides, orthobiologics, treatment modalities, and the longevity and recovery conversation. You leave with a clear plan.
Book Initial Consultation — $250Programs are customized; membership starts at $299/mo. Your consultation fee credits toward enrollment within 90 days.
Early osteoarthritis, degenerative meniscus changes, cartilage thinning, labral wear, early shoulder arthritis. The imaging shows something, the pain is real, and the surgical pathway is not yet appropriate.
Joint Longevity Program →Achilles, patellar tendon, rotator cuff, tennis/golfer's elbow, proximal hamstring, gluteal tendon. Eight weeks, eight months, or two years in. Physical therapy helped partially or not at all.
Tendon Optimization Program →The repair has been done. The tissue is healing. The question is whether the recovery environment is optimized for the best possible outcome.
Post-Op Recovery Program →
The longevity and regenerative medicine space has grown rapidly, often without orthopedic surgical expertise at the table. Chronos brings that expertise to the conversation.
Dr. Omar Rahman is a board-certified orthopedic surgeon and sports medicine specialist, fellowship-trained at Kerlan-Jobe in Los Angeles. Lead author of a 2026 review in JAAOS Global on therapeutic peptides in orthopedics. Consultant to medical device companies on AI and surgical technology. Peer reviewer for the American Journal of Sports Medicine, the Journal of Shoulder and Elbow Surgery, and the Journal of Orthopedic Experience & Innovation.
Meet Dr. Rahman
Some patients are told they need surgery when they do not. Others delay past the point where it would have been a better answer. The honest decision requires looking at the tissue, the mechanics, and the participation target together.
Read: Do You Need Surgery?The Participation-Preservation System is the clinical framework that shapes everything at Chronos. It is not a brand name for a single procedure. It is a structured approach to three things: assessing the tissue, the mechanical demand, and the participation target; selecting the program that fits the clinical problem; and building reintegration milestones around what the patient is actually trying to do.
The system is what separates a coherent plan from a menu of one-off treatments.
Understand the SystemMost clinicians discussing peptides cannot read your MRI. Most orthopedic surgeons do not have time for the longevity conversation. Chronos is built to hold both — because questions about recovery biology and questions about a joint or tendon are not separate conversations. This is education and clinical judgment, not a product menu.
Dr. Rahman is lead author of a 2026 JAAOS Global review on therapeutic peptides in orthopaedics and presents at the Peptide World Congress and the Cell Surgical Conference. Your consultation includes a structured conversation about what is reasonable for your situation — honest about the science, clear about the regulatory picture, and specific to your goals.
Read the Peptides & Longevity ReviewEarly knee osteoarthritis, a season on the calendar, and a recommendation elsewhere to "wait until it's bad enough for surgery." A structured Joint Longevity plan and metabolic optimization aimed at getting through the season on the patient's terms.
Chronic tendinopathy that partially improved but kept returning. A Tendon Optimization plan built around shockwave and a real loading progression — not another round of passive care.
A patient who came in hoping to avoid an operation. The honest read was that a biologic was not the answer and that surgery was the better path — the kind of straight assessment the whole practice is built on.
Illustrative, de-identified scenarios representing the kinds of problems Chronos evaluates. They are not testimonials and are not a promise of any particular outcome.
The first step at Chronos is an Initial Consultation — a focused clinical evaluation and the welcoming front door to the practice, whatever brought you here. The output is a clear plan.
Book Initial Consultation — $250