


Sonoran Weight Loss operates as a nurse practitioner-led medical weight loss and peptide therapy clinic in Tucson, Arizona, focusing on pharmaceutical-grade interventions for metabolic health and hormone optimization. Under the clinical direction of a Board Certified Nurse Practitioner, the practice provides in-person consultations and ongoing monitoring for patients seeking medically supervised weight management and peptide-based therapies. The clinic maintains HIPAA-compliant protocols for patient data security and follows evidence-based prescribing guidelines for all therapeutic interventions.
Sonoran Weight Loss offers an extensive peptide therapy program with 6 different peptides available, including metabolic peptides including Semaglutide, Tirzepatide, growth hormone secretagogues like CJC-1295, and other specialized compounds. Treatment selection is individualized based on comprehensive health assessments and patient goals.
The Board Certified Nurse Practitioner at Sonoran Weight Loss brings advanced practice credentials to patient care, with authority to diagnose, prescribe, and manage complex metabolic conditions within Arizona's scope of practice regulations. Patients receive individualized treatment plans based on medical history, current health status, body composition analysis, and specific goals related to weight reduction or hormone balance. The clinic's approach emphasizes patient education regarding medication mechanisms, expected timelines for results, potential side effects, and the importance of lifestyle factors in achieving sustainable outcomes.
In-person consultations at the Tucson location allow for direct clinical assessment, including vital signs monitoring, body composition measurement, and face-to-face discussion of treatment options and patient concerns. Follow-up visits are scheduled based on the specific protocol, with more frequent monitoring during initial titration phases of GLP-1 medications or when introducing new peptide therapies. Patients receive clear instructions on subcutaneous injection technique when applicable, proper medication storage, and protocols for reporting adverse effects. The clinic provides ongoing access to the clinical team for questions and adjustments throughout the treatment course.
Sonoran Weight Loss distinguishes itself in the Tucson medical weight loss landscape through its dual focus on FDA-approved weight management medications and research-backed peptide therapies for hormone optimization and recovery. The practice serves patients throughout the greater Tucson area who prefer in-person medical supervision rather than remote telehealth models, offering the accountability and direct clinical oversight that some individuals find essential for successful outcomes. By combining pharmaceutical weight loss interventions with peptide-based approaches to growth hormone optimization and tissue healing, the clinic addresses multiple aspects of metabolic health and body composition within a single practice setting.
Jaime O'Rourke, MSN, ACNP-BC
Board-Certified Nurse Practitioner, Co-Founder
Jaime O'Rourke, MSN, ACNP-BC is a board-certified Nurse Practitioner, retired Army Captain, and co-founder of Sonoran Weight Loss, where she focuses on evidence-based wellness, hormone optimization, and longevity. With nearly 20 years in healthcare and 23 years of military service, Jaime brings a disciplined, compassionate approach to patient care.
Luis Barrera, Medical Professional
Healthcare Operator, Co-Founder
Luis Barrera is a medical professional and healthcare operator with a career that bridges clinical practice, healthcare administration, and modern wellness medicine. He co-founded Sonoran Weight Loss with a focus on concierge medicine principles.
Marissa Nuñez, MSN, FNP-C
Board-Certified Family Nurse Practitioner
Marissa Nuñez, MSN, FNP-C is a board-certified Family Nurse Practitioner dedicated to helping patients restore balance, improve vitality, and feel their best through evidence-based, individualized care.
Semaglutide
FDA-approved medication for effective weight management.
Tirzepatide
Advanced dual-action medication for weight loss.
Hormone Therapy
Personalized hormone optimization for men and women.
Sermorelin
Peptide therapy for hormone optimization.
Tesamorelin
Peptide therapy for hormone optimization.
CJC1295/Ipamorelin
Combination peptide therapy for hormone optimization.
BPC-157
Peptide therapy for tissue repair and recovery.
MyPeptideMatch.com is an independent directory. We do not provide medical advice. Always consult a qualified healthcare provider before starting any peptide therapy.


