Unlock Your Strongest Self
Next Phase of Health is a modern health optimization and longevity clinic where both founding providers have earned their Doctor of Nursing Practice from DePaul University.Lindsey has earned the designation of being a Certified Registered Nurse Anesthetist, and Bryan has become a Family Nurse Practitioner specializing in primary care. Combined, the mission of the two founders is to help you feel better, perform better, and age with intention.
We don't just treat symptoms; we dive into hormones, metabolism, inflammation, body composition, and lifestyle to unlock your strongest self—drawing from our own journeys through surgeries, obesity, and hormone shifts.
Discover GLP-1 weight optimization, hormone therapy, metabolic assessments, peptide treatments (coming soon), and performance coaching tailored just for you.
Nurse Practitioner-Led Expertise: Founded by a DNP-prepared CRNA and experienced FNP who've overcome surgeries, obesity, and hormone shifts themselves.
Hormone & Metabolic Therapy: Tailored treatments for perimenopause, menopause, testosterone, plus lab-driven assessments.
GLP-1 Weight Management: Personalized medical weight optimization for sustainable results.
Our Services

GLP-1 Medical Weight Optimization
At Next Phase of Health, our GLP-1 medical weight optimization program is designed to help patients achieve meaningful, sustainable weight loss while improving overall metabolic health. Using advanced medications such as semaglutide and tirzepatide, this treatment works with your body’s natural metabolic systems to regulate appetite, improve insulin sensitivity, and support healthy fat loss.
Expertise Meets Transformation
At Next Phase of Health, Lindsey Kilsdonk, DNP, CRNA, and Bryan Mullaney, DNP, FNP, empower you to thrive in every life stage. Drawing from years in high-acuity care and their own transformative health journeys, they focus on root-cause optimization for metabolism, hormones, and vitality—helping you feel energized, perform at your peak, and live fully through sustainable, tailored plans.
Personalized Expertise: Lindsey's anesthesia background and Bryan's chronic condition mastery ensure precise, patient-centered care.
Proactive Wellness: Address issues early with targeted strategies before they escalate.
Real Results: Backed by their personal successes in energy, weight, and performance gains.


Shop Premium Supplements
Elevate your wellness journey with our curated selection of high-quality supplements, expertly chosen to support the next phase of your health. Shop now through Fullscript for convenient access, professional-grade products, and personalized recommendations—all backed by science and trusted by practitioners.








