Lacy Long, DNP, APRN, FNP-C
Lacy Long is a board-certified Functional Medicine Nurse Practitioner with a passion for empowering women and families to achieve vibrant health through root-cause medicine. With a clinical background in women’s health and community nursing, she specializes in hormone balance, gut health, and sustainable wellness strategies tailored to busy lifestyles.
Known for translating complex health science into clear, actionable steps, Lacy helps patients move beyond symptom management to uncover lasting solutions. Her warm, practical approach makes functional medicine feel accessible, whether she’s guiding patients through chronic health challenges or helping them optimize everyday habits for real-world success.
Outside the clinic, Lacy stays active with strength training, hiking with her three children, and sharing evidence-based health insights on social media. She’s committed to making holistic care both understandable and achievable for every family.
Buffy Gabel, MSN, APRN-FNP-C
Buffy Gabel is an Advanced Practice Registered Nurse and board-certified nurse practitioner who loves helping patients feel better, look better, function better, and finally get answers that make sense. She earned her Master of Science in Nursing (MSN) from Graceland University in 2022 and brings 13 years of healthcare experience, including work in medical and pharmaceutical research, community and bedside nursing, and acute and primary care for both adults and children.
Buffy is known for her warm, down-to-earth style and her ability to make patients feel comfortable from the start. She believes healthcare should never feel rushed or confusing—and that every patient deserves a provider who truly listens, looks deeper, and creates a plan that fits real life. She enjoys caring for patients of all ages and takes an evidence-based, functional approach that considers hormone and metabolic health along with lifestyle factors such as nutrition, stress, sleep, and gut health. At Modern Endocrine, Buffy utilizes comprehensive lab evaluation and advanced testing to guide personalized treatment strategies and help patients make meaningful, sustainable progress.
In her time outside the clinic, Buffy is a proud mom of seven who values family time, staying active, traveling, and finding reasons to laugh along the way. Buffy’s patient care is shaped by both her professional experience and her personal journey, giving her a deep appreciation for what patients need most: clarity and compassion.
Dustin Pollard, APRN, FNP-C
Dustin Pollard, APRN, FNP-C, is an Advanced Practice Registered Nurse and board-certified Family Nurse Practitioner through the American Academy of Nurse Practitioners. He earned his Bachelor of Science in Nursing from the University of Central Oklahoma in 2016, then spent five years in a Cardiovascular Surgical Intensive Care Unit, specializing in post-operative care for open-heart surgery patients and other critically ill cases.
He completed his Master of Science in Nursing – Family Nurse Practitioner degree at the University of Oklahoma Health Sciences Center in 2021. Following graduation, he dedicated four years to general pediatrics, providing comprehensive care for patients ranging from newborns to young adults with diverse acute and chronic health conditions.
Growing up in rural Oklahoma instilled in Dustin a strong work ethic that translates into his practice as a dedicated and thoughtful provider. He recognizes that each patient, regardless of age, requires individualized care rather than a “one size fits all” approach. With compassion and attention to detail, he focuses on identifying root causes of illness to optimize whole-person health rather than simply managing symptoms.
Outside of his professional life, Dustin prioritizes time with his wife and two young sons. An avid sports fan, he cheers enthusiastically for the OSU Cowboys and the OKC Thunder. His interests include maintaining an active lifestyle, reading, discovering new podcasts, and traveling.
Hannah Vreman, MSN, APRN, FNP-BC
Born and raised in the Florida, Hannah Vreman, MSN, APRN, FNP-BC began her nursing career in the Intensive Care Unit, where she spent several years caring for critically ill patients during some of the most vulnerable moments of their lives. While working in the ICU, she found herself increasingly drawn to preventive medicine—helping patients improve their health before illness becomes severe. She then went on to complete her Master of Science in Nursing – Family Nurse Practitioner at the University of South Florida.
She believes that every patient deserves to be heard, understood, and empowered with the knowledge and tools to take control of their health, and treating the whole person rather than simply managing symptoms. Whether addressing hormonal imbalances, metabolic health, chronic inflammation, fatigue, gut health, or overall wellness, Hannah enjoys partnering with her patients to uncover the root causes of their concerns and create individualized treatment plans that fit their unique goals and lifestyles.
She understands that healing is rarely a straight line, and she considers it a privilege to walk alongside her patients through every stage of their health journey. Her goal is to create a welcoming environment where patients feel comfortable asking questions, sharing their concerns, and actively participating in their care.
Outside of the clinic, Hannah enjoys spending time at the beach, staying active with different workouts, reading a good book, and film photography. She strives to combine the best of modern medicine with evidence-based functional and holistic approaches, helping patients achieve lasting wellness rather than temporary fixes.
Sarah Nitterauer, NBC-HWC, NASM
Certified Personal Trainer & Modern Endocrine Health Coach
Sarah Nitterauer is a Nationally Board Certified Health and Wellness Coach (NBC-HWC) who studied through the Institute for Integrative Nutrition, with specialized training in Gut and Hormonal Health. She is also a NASM-Certified Personal Trainer, blending her expertise in movement and nutrition to help individuals improve their health in sustainable, meaningful ways.
With experience across diverse settings, from corporate wellness programs to physicians’ offices, she has developed a deep understanding of how to support clients at every stage of their health journey. Her favorite environment is within medical practices, where she enjoys partnering with healthcare providers to bridge the gap between clinical recommendations and real-life application. Her approach helps patients transform their treatment plans into practical lifestyle changes that feel doable and aligned with their values and routines.
She is particularly passionate about addressing the emotional drivers of behavior change, believing that lasting results come from understanding the “why” behind a habit. Her coaching style empowers individuals to create a personalized plan that fits their unique lifestyle, leading to lasting improvements in health outcomes.
Outside of her professional work, she enjoys hot yoga, cooking, playing ultimate frisbee, lifting weights, and spending quality time with family.
Katlin Kurfman
Modern Endocrine Health Coach
Katlin Kurfman is a Nutritional Therapy Practitioner with a background in nutrition, functional wellness, and root-cause health. She is passionate about helping people connect the dots between their symptoms and the deeper factors influencing their health—from gut function and metabolism to inflammation, nervous system health, and overall resilience.
Her work is also deeply informed by her own healing journey. After navigating chronic health challenges, including mold-related illness, histamine/MCAS symptoms, migraines, fatigue, and digestive issues, Katlin developed a deep passion for understanding the “why” behind complex symptoms and what it truly takes to support healing.
Katlin also holds specializations in functional blood chemistry and is currently continuing her advanced training in functional mental health. We’re so excited to have her as a part of the Modern Endocrine team and know many of you will benefit from her thoughtful, root-cause approach to health and wellness.
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Receive the latest updates, health tips, and exclusive offers from Modern Endocrine. Be the first to know about new services, upcoming events, and special promotions designed to support your journey.