Slim Weight Loss Clinic (Alexandria, Virginia)

Clinic Introduction

Slim Weight Loss Clinic in Alexandria, Virginia, operates under the medical direction of Dr. Gary T. Marshall, MD, FACS, a board-certified surgeon who applies surgical precision to non-surgical weight management strategies. The clinic focuses exclusively on medically supervised weight loss through peptide-based GLP-1 receptor agonist therapies, serving patients throughout Virginia via telehealth consultations. Dr. Marshall's background in surgery provides a unique clinical perspective on obesity as a complex metabolic condition requiring pharmaceutical intervention rather than willpower alone. The clinic's treatment protocol centers on three FDA-approved GLP-1 receptor agonists: Liraglutide, Semaglutide, and Tirzepatide. Liraglutide is typically prescribed as a daily subcutaneous injection for patients who prefer more frequent dosing with shorter half-life characteristics. Semaglutide, administered weekly, has demonstrated significant weight reduction in clinical trials and suits patients seeking less frequent injection schedules. Tirzepatide represents the clinic's dual-agonist option, targeting both GLP-1 and GIP receptors for patients who may benefit from enhanced metabolic effects. Dr. Marshall selects among these peptides based on individual patient metabolic profiles, weight loss goals, cardiovascular risk factors, and tolerance considerations rather than following a one-size-fits-all protocol. Dr. Marshall's credentials as a Fellow of the American College of Surgeons (FACS) inform his approach to obesity treatment as a medical condition with physiological underpinnings. His surgical training provides insight into the metabolic changes that occur with significant weight loss, allowing him to anticipate and manage the hormonal and nutritional adjustments patients experience during GLP-1 therapy. The clinic's medical model treats obesity as a chronic disease requiring ongoing management rather than a temporary condition resolved through short-term intervention. This perspective shapes treatment duration recommendations and maintenance protocols after initial weight loss goals are achieved. Patients at Slim Weight Loss Clinic begin with a telehealth consultation where Dr. Marshall reviews medical history, current medications, previous weight loss attempts, and metabolic health markers including hemoglobin A1c, lipid panels, and thyroid function when available. The virtual format allows patients throughout Alexandria and surrounding Northern Virginia communities to access specialized obesity medicine without travel barriers. Follow-up appointments occur monthly during the initial treatment phase to monitor weight trends, adjust peptide dosages, address side effects such as nausea or gastrointestinal changes, and modify treatment plans based on individual response. The clinic provides specific guidance on injection technique, proper medication storage, and recognizing signs that require medical attention. The telehealth-exclusive model at Slim Weight Loss Clinic reflects a practical approach to weight management that acknowledges the time constraints facing patients in the Alexandria area. Virtual consultations eliminate commute time while maintaining the medical oversight necessary for prescription peptide therapy. Dr. Marshall's practice does not incorporate ancillary services such as meal replacement programs, fitness coaching, or psychological counseling, instead maintaining focus on the pharmacological intervention itself. This streamlined model appeals to patients who prefer medical treatment without bundled lifestyle programming. The clinic's 5.0-star rating from patient reviews reflects satisfaction with this focused approach, though the limited review volume indicates a smaller practice size typical of specialized telehealth services. Patients seeking GLP-1 therapy in Virginia will find Dr. Marshall's surgical background and peptide-specific expertise distinguish this clinic from general weight loss programs that incorporate these medications as one component among many interventions. 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 (571) 554-5656; 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 Alexandria should confirm hours before a trip, because appointment times and operating schedules differ between locations in a multi-site practice. This entry covers the Alexandria 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.