A medical weight loss consultation is a comprehensive visit—not simply an appointment to receive an injection. Your physician should review your weight history, health conditions, medications, nutrition, activity, sleep, prior treatment attempts and goals before recommending a personalized plan. Laboratory testing and prescription treatment may be appropriate, but they should be selected according to your individual risks and needs.

Clinical perspective from Dr. David Nazarian: The first visit should identify why weight has been difficult to lose, what health risks need attention, and which plan a patient can realistically sustain. Medication can be useful for an appropriate patient, but it is only one component of comprehensive care.
The first appointment is designed to establish a medical baseline. Your physician will usually ask about when weight gain began, previous weight-loss attempts, changes in appetite, eating patterns, physical activity and any periods of weight regain. This history helps distinguish a temporary change from a longer-term pattern and may reveal barriers that a one-size-fits-all program would miss.
You should also expect a review of your current prescriptions, over-the-counter products and supplements. Some medications can contribute to weight gain, while others can interact with weight-management treatment. Do not stop or change a prescription without speaking with the clinician who manages it.
A thoughtful consultation also considers sleep quality, stress, alcohol use, gastrointestinal symptoms, pregnancy plans when relevant, and personal or family history that could affect treatment selection. The conversation should be respectful and focused on health rather than blame.
Weight and body mass index (BMI) are common starting points, but neither tells the entire story. BMI is a screening measurement rather than a direct diagnosis of body fatness. Waist circumference, blood pressure, weight trend and metabolic risk factors may provide additional clinical context. The National Heart, Lung, and Blood Institute likewise explains that BMI is a screening tool and that other measurements can help assess health risk.
When available and clinically useful, body-composition assessment can help estimate changes in fat mass and lean mass. This matters because successful treatment should aim to improve health while preserving muscle—not simply produce the lowest possible number on the scale. Learn more about our approach to nutrition and body composition in Los Angeles.
Laboratory testing is individualized. It is not necessary to order every possible test for every patient, but targeted testing can help identify health conditions, establish a baseline and guide safe treatment. Depending on your history, examination, symptoms and existing records, a physician may consider glucose or hemoglobin A1c, a lipid panel, liver and kidney function, thyroid testing or other studies.
Patients should bring recent laboratory results if available. The physician can decide whether those results are sufficient or whether updated testing is appropriate. Abnormal results do not automatically exclude someone from treatment; they may change which option is safest or require coordination with another clinician.
No. A consultation should not begin with the assumption that every patient needs the same medication. Prescription weight-management treatment depends on factors such as medical history, current medications, weight-related conditions, prior response, contraindications, side-effect risk, patient preferences and long-term feasibility.
For an appropriate patient, a physician may discuss semaglutide treatment, tirzepatide treatment or another option. Some patients may benefit most from nutrition, activity, sleep and behavioral changes without medication. Others may need coordinated evaluation of an underlying condition before treatment begins.
The National Institute of Diabetes and Digestive and Kidney Diseases notes that prescription weight-management medications work best when combined with a lifestyle program; they do not replace healthy eating and physical activity. See the agency’s overview of prescription medications for overweight and obesity.
A clinical goal. The plan should connect weight change to outcomes that matter, such as improved metabolic markers, mobility, energy, sleep, cardiovascular risk or quality of life.
A nutrition strategy. Recommendations should account for food preferences, schedule, medical conditions, appetite changes and adequate protein and hydration.
Appropriate physical activity. A safe plan may include aerobic activity, resistance training and everyday movement, adjusted for fitness level, pain or physical limitations.
A monitoring schedule. Follow-up should evaluate effectiveness, tolerability, medication adherence, nutrition, bowel symptoms, hydration, lean-mass preservation and changes in other health conditions or prescriptions.
A maintenance strategy. Weight management is not complete when a goal weight appears on the scale. The initial plan should anticipate plateaus, dose changes, transition decisions and prevention of weight regain.
Bring a complete medication and supplement list, recent laboratory reports, relevant medical records, your insurance information if applicable, and notes about previous diets or medications. It is also helpful to write down your goals and questions in advance. If you use a wearable device, food log or home blood-pressure monitor, the information may be useful—but it is not required.
Ask why the recommended treatment fits your health profile, what benefits are realistic, which side effects or warning symptoms to watch for, how dose changes are handled, what follow-up is included, how progress will be measured, and what the long-term plan may look like. You should also understand the full cost before agreeing to treatment.
The NIDDK recommends looking for a program that includes ongoing guidance, a healthy reduced-calorie eating plan, appropriate physical activity, behavioral support and a plan for maintaining weight loss. Its guide to choosing a safe and successful weight-loss program provides additional questions patients can ask.
Be cautious if a program promises guaranteed results, prescribes without obtaining an adequate medical history, provides no clear follow-up plan, minimizes contraindications or side effects, cannot explain who is supervising care, or offers the same treatment to everyone. Before paying, patients should know what medication or service is being offered, what clinical monitoring is included, and whom to contact if a problem develops.
If treatment is appropriate, the next step may include obtaining or reviewing laboratory results, beginning lifestyle changes, starting a prescription, or coordinating care with another clinician. Follow-up frequency depends on the treatment and patient. Early follow-up can be particularly important when a medication is started or adjusted.
Progress should be assessed broadly: weight trend, waist or body-composition changes when appropriate, side effects, nutrition, strength, activity, sleep, laboratory markers and how well the plan fits daily life. If the treatment is ineffective, poorly tolerated or no longer appropriate, the plan should change.
At Weight Loss Clinic Los Angeles, the goal of the initial evaluation is to understand the whole patient before recommending treatment. Dr. David Nazarian is board certified in Internal Medicine and uses a comprehensive, evidence-based approach that considers metabolic health, nutrition, body composition, sleep, medication history and sustainable follow-up.
Explore our medical weight loss program in Los Angeles or review the available weight loss medication options.
Schedule a comprehensive medical weight loss evaluation with Dr. Nazarian in Los Angeles.
Visit length varies by clinic and patient complexity. Allow enough time for a detailed medical history, medication review, measurements, discussion of goals and treatment options, and questions. Contact the clinic for the scheduled length of your specific appointment.
Do not assume fasting is necessary. Ask the clinic when scheduling, especially if laboratory testing may be performed. Fasting requirements depend on which tests are ordered.
Not necessarily. A physician must first determine whether medication is appropriate and whether additional records, laboratory testing or coordination of care is needed. Treatment decisions should follow the evaluation.
No. BMI can help screen for weight categories, but the clinical picture also includes health conditions, waist circumference or body composition when useful, laboratory markers, weight history, function, medication history and individual goals.
Written and medically reviewed by David Nazarian, MD
Board Certified in Internal Medicine
Medical review date: September 14, 2026
This article is for general educational purposes and is not a substitute for an individual medical evaluation, diagnosis or treatment. Medication eligibility, laboratory testing and monitoring must be determined by a qualified healthcare professional.
Our health content follows the clinic’s medical editorial and review policy.