Slim Weight Loss Clinic (Phoenix, Arizona)

Clinic Introduction

Slim Weight Loss Clinic in Phoenix, AZ operates as a telehealth-focused weight management practice under the medical direction of Dr. Gary T. Marshall, MD, FACS. Dr. Marshall brings board certification and fellowship training in surgery to his approach in obesity medicine, applying clinical precision to metabolic health optimization. The clinic serves patients throughout Arizona seeking medically supervised weight loss through evidence-based pharmacotherapy, with particular emphasis on GLP-1 receptor agonist peptides that address the hormonal mechanisms underlying weight regulation and appetite control. The clinic's treatment protocol centers on three FDA-approved GLP-1 medications: semaglutide, tirzepatide, and liraglutide. Semaglutide mimics the glucagon-like peptide-1 hormone to reduce appetite and slow gastric emptying, typically administered as a once-weekly subcutaneous injection with dosing titrated based on individual response and tolerance. Tirzepatide functions as a dual GIP/GLP-1 receptor agonist, targeting both glucose-dependent insulinotropic polypeptide and glucagon-like peptide-1 pathways for enhanced metabolic effect in patients with obesity or significant weight management challenges. Liraglutide provides an alternative daily injection option for patients who prefer more frequent dosing or have specific contraindications to weekly formulations. Dr. Marshall evaluates each patient's medical history, current medications, BMI, comorbid conditions such as type 2 diabetes or hypertension, and weight loss goals to determine the most appropriate peptide therapy and starting dose. Dr. Marshall's surgical background informs his understanding of obesity as a complex metabolic disease rather than simply a lifestyle issue. His fellowship training as a Fellow of the American College of Surgeons (FACS) provides him with comprehensive knowledge of body composition, metabolic surgery outcomes, and the physiological changes required for sustained weight loss. This perspective shapes the clinic's treatment philosophy, which views GLP-1 peptide therapy as a tool to correct underlying hormonal dysregulation rather than a temporary intervention. Patients work directly with Dr. Marshall through virtual consultations to establish baseline metrics, discuss realistic weight loss trajectories, and create monitoring schedules for tracking progress and adjusting medication dosing as needed. The telehealth model at Slim Weight Loss Clinic eliminates geographic barriers for Phoenix-area residents and allows for flexible scheduling that accommodates work and family obligations. Initial consultations involve comprehensive medical history review, discussion of previous weight loss attempts, evaluation of contraindications such as personal or family history of medullary thyroid carcinoma or multiple endocrine neoplasia syndrome type 2, and education about injection technique and side effect management. Follow-up appointments occur at regular intervals determined by the specific peptide protocol, typically every four weeks during dose escalation phases and monthly or quarterly once maintenance dosing is achieved. The clinic coordinates prescription fulfillment through partner pharmacies and provides detailed guidance on proper medication storage, injection site rotation, and recognition of adverse effects such as nausea, constipation, or gallbladder complications that require medical attention. Slim Weight Loss Clinic differentiates itself through Dr. Marshall's surgical expertise applied to non-surgical weight management, offering patients the clinical rigor of a FACS-credentialed physician in an accessible telehealth format. The practice focuses exclusively on medically appropriate candidates for GLP-1 therapy, conducting thorough screening to ensure patient safety and treatment appropriateness. With a 5.0-star rating reflecting early patient feedback, the clinic emphasizes transparent communication about expected outcomes, potential side effects, insurance coverage considerations, and the long-term commitment required for successful weight management. Phoenix residents seeking physician-supervised peptide therapy for obesity have access to Dr. Marshall's expertise without the need for in-person office visits, combining medical authority with the convenience of virtual care delivery. The scope of services recorded for this clinic covers medically supervised weight management, pairing prescription options with nutrition and lifestyle guidance rather than prescription alone. Practical details recorded for this location: the phone number on file is (480) 690-1410; the published hours are Friday: 9 AM-8 PM; Monday: 9 AM-8 PM; Sunday: Closed; Tuesday: 9 AM-8 PM; Saturday: Closed; Thursday: 9 AM-8 PM; Wednesday: 9 AM-8 PM. Patients travelling to Phoenix should confirm hours before a trip, because appointment times and operating schedules differ between locations in a multi-site practice. This entry covers the Phoenix location. Hormone and peptide therapy is a medical decision that should follow an evaluation and a discussion with a qualified clinician. Results vary between individuals, and no outcome is guaranteed. This profile is informational and does not replace medical advice.