Meet Kristine Costello MSN, FNP-C,CFMP

Kristine Costello, MSN, FNP-C, is a board-certified Family Nurse Practitioner with nearly 30 years of experience in healthcare. She combines evidence-based medical care with a holistic, patient-centered approach focused on treating the whole person—not just symptoms.

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A graduate of Marquette High School, Kristine earned her Associate Degree in Nursing from Lewis and Clark Community College and began her career as an ICU/CVU nurse at Christian Hospital. She later earned her Master of Science in Nursing as a Family Nurse Practitioner from Walden University and achieved national certification through the American Association of Nurse Practitioners (AANP). Kristine has spent the past ten years providing outpatient care with BJC HealthCare, managing both acute and chronic conditions.

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Through years of clinical practice and personal experience, Kristine recognized the importance of addressing lifestyle, nutrition, stress, and prevention alongside traditional medical treatment. She is passionate about integrating conventional medicine with holistic strategies that support long-term health, balance, and vitality.

Kristine partners closely with her patients to develop individualized care plans that emphasize education, prevention, and proactive wellness. Her mission is to empower individuals to take an active role in their health and support them on a path toward lasting well-being.