About
Dr. Vincent DeMarco is a board-certified family physician and the founder of Keys Health Direct Primary Care in Blue Springs, Missouri. He completed his undergraduate studies at Truman State University, then earned his medical degree from Kansas City University of Medicine and Biosciences in 2013. His residency in Family Medicine took place at Our Lady of Bellefonte Hospital, where he earned the role of Chief Resident. He earned board certification in both Family Medicine and Osteopathic Manipulative Treatment in 2016 and has served the Blue Springs community ever since.
Dr. DeMarco holds additional training in NaProTechnology and FertilityCare medical management. He is the only physician-level NaProTechnology provider on the Missouri side of the Kansas City metro. His clinical interests span fertility and reproductive medicine, chronic disease management, women's health, pediatric care, mental health support, and osteopathic manipulative treatment. Outside the clinic, Dr. DeMarco is married to Dr. Erin DeMarco, DVM, and the couple has three children together. The family belongs to St. Margaret of Scotland Catholic Church in Lee's Summit, Missouri. His practice reflects his Catholic faith and his belief that medicine should serve the whole person, body, mind, and spirit.
Education & Training
Undergraduate
Truman State University
Medical School
Kansas City University of Medicine and Biosciences
Residency
Family Medicine, Our Lady of Bellefonte Hospital (Chief Resident)
Additional Training
Trained in NaProTechnology and FertilityCare medical management
Certifications
Conditions Treated
Who is Dr. DeMarco right for?
Dr. DeMarco works well with adults, children, and families seeking a long-term primary care relationship. Patients managing chronic conditions such as diabetes, hypertension, thyroid disorders, or metabolic issues benefit from his preventive focus and direct access model. He is a strong fit for women navigating PCOS, endometriosis, infertility, recurrent miscarriage, or irregular cycles, particularly those seeking NaProTechnology evaluation. Patients with musculoskeletal concerns can access osteopathic manipulative treatment as part of their care. Families aligned with Catholic values will find the practice's ethical framework a natural fit, though Dr. DeMarco welcomes patients of all backgrounds.
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Frequently Asked Questions
Dr. DeMarco treats a wide range of conditions across the lifespan. These include diabetes, hypertension, asthma, thyroid disorders, metabolic issues, PCOS, endometriosis, infertility, recurrent miscarriage, irregular cycles, PMS, anxiety, depression, sleep disorders, ADHD, cholesterol disorders, and musculoskeletal concerns.
Yes. Dr. DeMarco holds board certification in Family Medicine and in Osteopathic Manipulative Treatment. He earned both certifications in 2016 after completing his residency at Our Lady of Bellefonte Hospital, where he served as Chief Resident.
Dr. DeMarco completed formal training in NaProTechnology and FertilityCare medical management. He is the only physician-level NaProTechnology provider on the Missouri side of the Kansas City metro. He evaluates and treats underlying causes of fertility concerns, recurrent miscarriage, and cycle abnormalities using the Creighton Model and targeted lab work.
Yes. Dr. DeMarco holds board certification in Osteopathic Manipulative Treatment and incorporates it into care when clinically appropriate. It is available as part of the Keys Health DPC membership.
Dr. DeMarco earned his undergraduate degree from Truman State University and his medical degree from Kansas City University of Medicine and Biosciences in 2013. He completed his Family Medicine residency at Our Lady of Bellefonte Hospital and served as Chief Resident.
Yes. Dr. DeMarco provides pediatric care including well-child visits, growth assessments, sick visits, and urgent care. Children 18 and under qualify for a discounted monthly membership rate of $30 with a parent membership.
Dr. DeMarco takes a preventive, patient-centered approach to chronic conditions. He focuses on identifying root causes and building long-term care plans. His panel size allows him to spend meaningful time with patients managing complex or ongoing health concerns.
Yes. Dr. DeMarco addresses anxiety, depression, sleep disorders, and ADHD within the scope of primary care. For patients needing additional mental health support beyond primary care, he coordinates referrals as needed.
No. Dr. DeMarco does not prescribe chronic opioids, narcotics, or chronic benzodiazepines. He does support chronic pain management through other approaches, including osteopathic manipulative treatment, PRP injections, and prolotherapy. He refers patients to pain medicine specialists when comprehensive pain care is needed.
Dr. DeMarco does not provide obstetric care or delivery services. He does offer NaProTechnology pregnancy support, including progesterone-based monitoring in early pregnancy, in coordination with a patient's obstetric provider.
Doctor profile last updated June 6, 2026