This Is What Healthcare Was Supposed to Be
A team of physicians who actually know you. Diagnostics that read the signals your body's been sending for years. Treatments drawn from regenerative medicine, precision medicine, and the latest longevity science — all organized around one person: you.
Our Story
Why We Built Longitude Life
Modern medicine is designed to treat you after you're sick. You get 12 minutes with a doctor who's juggling insurance codes and liability checklists. You get a prescription that manages symptoms. You get referred to a specialist who sees one piece of you and ignores the rest. And then you're sent home to figure it out on your own.
We built Longitude Life because we believe healthcare should work differently. Your body is one interconnected system — your hormones affect your metabolism, your spine affects your energy, your gut affects your brain, your sleep affects everything. Treating one piece in isolation doesn't work. You need a medical team that sees the whole picture, has the tools to measure what's actually happening inside you, and has the freedom to use the best available treatments — not just the ones an insurance company approves.
That's what Longitude Life is. A team of physicians. Advanced diagnostics. Treatments drawn from regenerative medicine, precision medicine, and the latest longevity science. All organized around one patient: you.
Our Philosophy
What We Believe
- Confident, not flashy. A surgeon's calm authority, not a salesperson's pitch. We know what we're doing and we don't need to shout about it.
- Warm, not clinical. This isn't a hospital. It's a place where people know your name, remember your goals, and actually care about your progress.
- Direct, not evasive. We publish our prices. We explain why something works and admit when the science is still emerging. We don't hide behind jargon.
- Ambitious, not reckless. We use advanced therapies because the evidence supports them, not because they sound futuristic. We stay ahead of conventional medicine, but we don't chase trends.
Who We Serve
For Health-Conscious Adults Who Want More
Longitude Life is a membership-based medical practice for health-conscious adults in Nashville who are frustrated by fragmented, reactive healthcare. We provide comprehensive, proactive care across your entire body — from your metabolism to your muscles to your mind — using a team of physicians, advanced lab work, and the most current treatments in regenerative and precision medicine.
Unlike traditional primary care (which gives you 12 minutes and a prescription) or telehealth clinics (which give you a form and a shipment), Longitude Life gives you an ongoing medical relationship built around your unique biology.
Our Team
Peter Miller
CEO & CO-FOUNDER
Founded Longitude Life after reversing his own type-2 diabetes — proving that proactive, precision medicine changes outcomes.
Dr. Brandon Miller, D.O.
CHIEF MEDICAL OFFICER
Board-certified anesthesiologist with nearly two decades of experience and a deep background in biochemistry and regenerative medicine.
Katie Keinath, APRN
Nurse Practitioner
Board-certified Acute Care Nurse Practitioner with a decade of experience in critical care and trauma surgery.
Dr. Zac Ditmarsen, D.C.
CHIROPRACTIC
Doctor of Chiropractic specializing in nervous system function, rehabilitation, and musculoskeletal optimization.
Treva Jungbluth
Coach, Functional Medicine
Functional health coach and certified personal trainer specializing in gut health, cortisol management, and metabolic resistance training.
Rebecca Crocker, BSN, RN
Registered Nurse
BSN-prepared nurse with clinical experience at Mercy Hospital and Vanderbilt Medical Center, bringing patient advocacy and hands-on care to every visit.
Find Out What You've Been Missing
Not your insurance company. Not a billing code. You. Have a conversation with a team that will know your name, your history, and your goals.