Welcome toGolden Hour Wellness

Kathryn Petrowich, FNP-BC, is a board certified Family Nurse Practitioner with a diverse background in emergency medicine, oncology, infusion therapy, and prehospital care. Her healthcare journey began as an EMT and Paramedic, where she developed a strong foundation in acute care, rapid clinical decision making, and compassionate patient advocacy during some of life’s most vulnerable moments.

At Golden Hour Wellness, Kathryn is dedicated to creating a safe and supportive environment for patients navigating treatment resistant depression, anxiety, and chronic pain. She values meeting patients where they are, listening without judgment, and helping them feel empowered in their healing journey. Her professional experiences have strengthened her belief that personalized, patient centered care can profoundly impact quality of life.

Outside of medicine, Kathryn enjoys writing about spiritual and personal wellness, baking and decorating mind blowing cakes, organizing creative spaces, and spending time with friends and family.

Allie is a board-certified Physician Assistant with deep experience in psychiatric care. She earned her bachelor’s degrees in Biology and Psychology, with a minor in Neuroscience, from North Central College in 2015, followed by a master’s degree in Biomedical Science from Midwestern University in 2017, before completing her Physician Assistant training at Rosalind Franklin University.

Allie has worked in the field of psychiatry since 2020 and has been administering and monitoring ketamine-based treatments since 2019, bringing both clinical expertise and genuine compassion to every patient she sees.

Outside the clinic, Allie is a devoted wife and mother of one, with another little one on the way. When she’s not at work, you’ll find her spending time with family, traveling whenever she can, caring for her two cats, or baking something sweet.

Dr. Bart Rafacz is a dedicated and compassionate Family Nurse Practitioner with extensive experience in both emergency and family care settings. He earned his Doctor of Nursing Practice degree from the University of Illinois at Chicago (UIC), where he developed a strong foundation in clinical excellence, patient-centered care, and a commitment to staying at the forefront of evolving medical research.

With broad experience managing acute illnesses, chronic conditions, and preventive care across the lifespan, Dr. Bart brings a comprehensive and steady approach to every patient encounter. His background in emergency medicine has shaped his ability to assess complex clinical situations with precision, efficiency, and empathy.

At Golden Hour Wellness, Dr. Bart plays an integral role in the administration and oversight of IV ketamine infusion therapy and Spravato® (esketamine) treatment under our collaborative care model. He has developed a special interest in innovative, evidence-based therapies for treatment-resistant depression, PTSD, and chronic pain conditions. By integrating his expertise in primary and acute care with cutting-edge mental health treatments, he helps ensure patients receive safe, individualized, and thoughtfully monitored care.

Dr. Bart is passionate about building long-term therapeutic relationships and empowering patients through education and shared decision-making. His approach emphasizes both physical and emotional well-being, recognizing the deep connection between the two.

Outside of the clinic, Bart enjoys spending time outdoors with his family. Every winter you’ll find him skiing, and every summer he makes time for fishing – activities that reflect his appreciation for balance, resilience, and restoration.

Maggie is a board-certified Family Nurse Practitioner with more than 15 years of healthcare experience across urgent care, primary care, acute medical-surgical nursing and clinical management. At Golden Hour Wellness, she brings that experience to caring for patients with mental health and chronic pain conditions.

She earned her MSN from Chamberlain College of Nursing, her BSN from Lewis University and a BS in Biology from Loyola University Chicago, and previously served as Assistant Clinical Manager at Advocate Aurora Christ Medical Center, leading a team of more than 70 staff.

Fluent in English and Polish, Maggie is committed to compassionate, evidence-based care and to making sure every patient feels informed and supported.

Nicholas “Cole” Brust, PA-C, is a board-certified Physician Assistant with a diverse background in emergency and acute care medicine. Raised in a military family alongside three brothers, Cole had the unique opportunity to grow up in Florida, Alaska, Japan, Germany, and Texas – experiences that shaped his adaptability, cultural awareness, and appreciation for diverse life experiences.

Prior to attending PA school, Cole lived in Denver, Colorado, where he worked as an Emergency Department Technician at a Level II trauma center. There, he developed a strong foundation in acute care, crisis management, and compassionate patient support during some of life’s most vulnerable moments.

Cole is a graduate of Bethel University’s Physician Assistant Program and has recently relocated to Wheaton, Illinois. His clinical interests include emergency medicine, mental health, and helping patients become the healthiest version of themselves.

At Golden Hour Wellness, Cole is passionate about providing patient-centered care to individuals struggling with treatment-resistant depression and chronic pain. Having witnessed firsthand the profound impact mental health challenges can have on individuals and families, he is deeply committed to offering hope through evidence-based therapies like ketamine treatment. He believes in meeting patients where they are, listening without judgment, and helping them reclaim stability, clarity, and quality of life.

Outside of medicine, Cole enjoys distance running, strength training, and playing chess.

Liesel is a board-certified Family Nurse Practitioner who brings over five years of primary care experience from a busy Chicago family practice, along with eight years as a registered nurse in acute and intensive care settings. Her diverse clinical background allows her to approach each patient with both strong medical judgment and calm, steady support.

At Golden Hour Wellness, Liesel works within our collaborative care model to support patients receiving IV ketamine infusions, Spravato® (esketamine), and comprehensive wellness services. She is deeply committed to compassionate, patient-centered care and believes that healing requires attention to both physical and emotional well-being.

Liesel’s experience in high-acuity environments has shaped her thoughtful, detail-oriented approach, ensuring safety, comfort, and individualized attention throughout each patient’s treatment journey. She is passionate about helping individuals achieve their highest possible quality of life through holistic, evidence-based care.

Outside of the clinic, Liesel is a proud mom to three young children who keep her busy and inspired. In her free time, she enjoys tackling DIY home projects, hosting friends for dinner, and spending as much time outdoors as possible.

Dr. Natalie Sanfratello is a compassionate and progressive Doctor of Nursing Practice and board-certified Family Nurse Practitioner with extensive clinical experience in family practice and emergency medicine. She earned her Doctor of Nursing Practice degree from Georgetown University in Washington, D.C., where her rigorous advanced practice education strengthened her foundation in evidence-based medicine and individualized care, while cultivating a passion for staying at the forefront of evolving medical research.

Dr. Natalie has a deep passion for integrative medicine and innovative, evidence-based approaches to health and wellness. She believes exceptional care extends beyond treating symptoms and considers the whole person—mind, body, and spirit. By recognizing the important roles of lifestyle, nutrition, movement, sleep, stress, and emotional well-being, her goal is to help each patient achieve greater overall health, well-being, and quality of life.

At the heart of Dr. Natalie’s practice is collaboration. She values genuine, trusting relationships with her patients and works alongside them to develop a path toward feeling and functioning at their best. Naturally curious and committed to continued growth, she continually explores emerging research and innovative therapies to create thoughtful, individualized treatment plans and help people become the healthiest versions of themselves.

Outside of medicine, Dr. Natalie believes in practicing many of the same principles she encourages in her patients. She enjoys staying active, traveling, great food, the outdoors, reading, and music. Above all, she values family and meaningful time with those closest to her. Her children, Juliana and Vincenzo, are her pride and joy and remain a profound source of meaning and happiness in her life. If you ask Dr. Natalie what she considers her greatest success, without hesitation, she will tell you it is being their mother.

For Dr. Natalie, wellness is more than the absence of illness—it is the ongoing pursuit of a life that feels healthy, connected, meaningful, and fulfilling.

Abril is a board-certified Nurse Practitioner with over a decade of healthcare experience across diverse clinical settings. Prior to becoming a Nurse Practitioner, she worked as a Registered Nurse in the intensive care unit, where she developed strong clinical judgment, resilience, and the ability to support patients and families during some of their most vulnerable moments. She later gained experience in outpatient procedural care, further strengthening her skills in patient education, comfort, and individualized support.

These experiences shaped her calm, compassionate approach and deep appreciation for treating each patient as a whole person.

At Golden Hour Wellness, Abril provides innovative, evidence-based ketamine therapy for individuals navigating complex mental health challenges. She understands that seeking this type of care often comes after a long and difficult journey, and she is committed to creating a space where patients feel safe, respected, and genuinely supported. Her approach centers on thoughtful listening, individualized treatment planning, and guiding patients through each step of their healing process.

When she’s not caring for patients, Abril enjoys diving into creative DIY projects and exploring new interests. She values curiosity, growth, and balance — principles she carries into both her personal life and her clinical practice. A devoted matcha enthusiast, she appreciates the ritual of slowing down and recharging, something she encourages her patients to prioritize in their own wellness journeys as well.

Kory Marken has worked in the field of Applied Behavior Analysis (ABA) for seven years, serving as both a Registered Behavior Technician (RBT) and Board Certified Behavior Analyst (BCBA). She has experience working with individuals of all ages and providing services across home, school, clinic, community, and day-program settings.

Kory is passionate about using the science of behavior to help people achieve meaningful goals, develop new skills, build confidence, and access more opportunities for independence and life enrichment. She believes ABA should help individuals feel empowered and proud of their own progress, and considers being able to support and witness that growth one of the greatest joys of her work.

At Golden Hour Wellness, Kory is excited to bring this philosophy to a collaborative behavioral health setting. One of the unique benefits of receiving ABA services at Golden Hour is the opportunity, when appropriate, for our BCBAs to collaborate directly with our psychiatric providers. This allows behavioral and mental health care to work together, giving families a more connected and comprehensive approach to their child’s care.

Kory looks forward to partnering with children and their families to create individualized goals that lead to meaningful, lasting progress.

Stacy Mueller is a Board Certified Behavior Analyst and Illinois Licensed Behavior Analyst with extensive experience supporting children with autism and their families across home, clinic, school, and community settings. She earned her Master of Arts in Applied Behavior Analysis with a Certificate in Autism Spectrum Disorder from Ball State University.

Stacy specializes in developing individualized, evidence-based treatment plans that help children build meaningful skills in communication, social interaction, daily living, and behavior. Her experience includes comprehensive behavioral assessments, individualized treatment and behavior intervention plans, data-driven treatment decisions, parent coaching, and the training and supervision of behavior therapists.

Stacy places a strong emphasis on collaboration with families and the other professionals involved in a child’s care. Throughout her career, she has worked alongside psychologists, social workers, speech-language pathologists, occupational therapists, educators, and other members of multidisciplinary treatment teams.

At Golden Hour Wellness, Stacy provides individualized ABA services with a focus on quality, consistency, and helping children make meaningful progress in their everyday environments. As part of Golden Hour’s collaborative model, she is also able to coordinate with the practice’s psychiatric and behavioral health providers when appropriate, allowing families to receive more connected and comprehensive support.