About
Dr. Gregory "Reid" Lancaster is a Doctor of Osteopathic Medicine practicing family medicine in La Quinta, California. He goes by his middle name, Reid, and leads Ethos Modern Medicine as its founding physician. Dr. Lancaster earned recognition as a "40 Under 40" honoree, reflecting his standing as a rising voice in his field.
He takes a holistic approach to patient care while drawing on the full strengths of evidence-based medicine. When he is not seeing patients, Dr. Lancaster actively coordinates care and researches treatment options for his members. He limits his panel to under 600 patients, which allows him to stay closely involved with each person's health. His practice covers patients from infancy through adulthood, making him a true family physician.
Who is Dr. Lancaster right for?
Dr. Lancaster works well with patients of all ages, from infants to older adults. Individuals who want direct, unhurried access to their physician will find his DPC model a strong fit. Families benefit from his cradle-to-adulthood scope of care under one roof. Patients managing chronic conditions appreciate his proactive approach to care coordination and treatment research. Anyone seeking transparent pricing and no-surprise billing will feel at home at Ethos.
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Frequently Asked Questions
Dr. Lancaster practices full-scope family medicine, treating patients from six months of age through adulthood. He manages acute illnesses, chronic conditions, and preventive care. His holistic approach means he looks at each patient's overall health, not just isolated symptoms.
O. Osteopathic physicians complete full medical training and are licensed to practice the full range of medicine, including prescribing medications and performing procedures.
Dr. Lancaster takes a holistic approach while drawing on traditional, evidence-based medicine. He combines these perspectives to build individualized care plans. When he is not in the exam room, he actively coordinates care and researches treatment options for his patients.
Dr. Lancaster makes himself available by email, text, video chat, and in-person visits. Patients do not need to wait weeks for an appointment. Next-day visits are typical, and direct messaging means patients can get answers quickly without going through a phone tree.
Yes, Dr. Lancaster sees pediatric patients starting at six months of age. Children and adolescents up to 18 years old can join the practice under a pediatric membership. A paying adult member must accompany a pediatric enrollment.
Yes, Dr. Lancaster earned a spot on a "40 Under 40" list, an honor recognizing outstanding professionals under the age of 40. This recognition reflects his impact as a physician and innovator in primary care delivery.
Dr. Lancaster caps his panel at under 600 patients. That limit allows him to dedicate real time to each member, coordinate care proactively, and remain accessible between visits. He is currently accepting a limited number of new patients.
Doctor profile last updated April 10, 2026