
Sarah Koszyk, MA, RDN
Weight Loss Clinic in San Francisco, California
About Sarah Koszyk, MA, RDN
Sarah Koszyk, MA, RDN, is a registered dietitian nutritionist with over 12 years of experience helping San Francisco residents achieve sustainable weight loss through evidence-based nutrition strategies. With a Master's degree in Nutrition and extensive training in behavioral change, Sarah takes a compassionate, individualized approach that goes beyond simple calorie counting to address the complex relationship between food, emotions, and lifestyle.
Sarah's practice focuses on creating realistic, enjoyable eating plans that fit into busy urban lifestyles. She specializes in helping clients break free from the diet cycle and develop a healthy relationship with food that supports long-term weight management. Her warm, non-judgmental approach has helped hundreds of clients achieve their goals while improving their overall health and wellbeing.
Services Offered
Sarah offers comprehensive nutrition counseling services designed to support sustainable weight loss and overall health improvement. Her approach begins with thorough nutritional assessment including dietary analysis, metabolic rate evaluation, and identification of eating patterns that may be hindering progress. She provides personalized meal planning that accommodates food preferences, cultural backgrounds, allergies, and busy schedules. Educational sessions cover topics like portion control, mindful eating, grocery shopping strategies, and meal prep techniques. Sarah also offers specialized services for emotional eating, helping clients identify triggers and develop alternative coping strategies. Her programs include ongoing support through text messaging and email, recipe modifications for favorite foods, restaurant dining guidance, and strategies for navigating social situations involving food. She works closely with other healthcare providers when clients have medical conditions like diabetes, heart disease, or gastrointestinal issues that require specialized nutrition intervention.
Treatment Options
Comprehensive Weight Loss Program
Complete nutrition counseling program including initial assessment, personalized meal planning, ongoing support, and regular progress monitoring.
Emotional Eating Recovery
Specialized program addressing the psychological aspects of eating, including trigger identification and alternative coping strategy development.
Medical Nutrition Therapy
Specialized nutrition counseling for clients with diabetes, heart disease, PCOS, or other medical conditions requiring therapeutic dietary intervention.
Maintenance Coaching
Ongoing support for clients who've reached their goals, focusing on maintaining healthy habits and preventing weight regain.
What to Expect
Your journey with Sarah begins with a comprehensive 75-minute initial consultation that includes a detailed dietary assessment, health history review, and goal-setting session. She'll analyze your current eating patterns, identify areas for improvement, and discuss any challenges you've faced with previous weight loss attempts. Based on this assessment, Sarah creates your personalized nutrition plan with specific, actionable recommendations. Follow-up sessions, typically scheduled every 2-3 weeks initially, focus on monitoring progress, troubleshooting challenges, and refining your plan. As you develop confidence and new habits, sessions may become monthly. Throughout the process, Sarah provides ongoing support via email and text for questions that arise between appointments.
Why Choose Sarah Koszyk, MA, RDN
Sarah's advanced education and extensive experience set her apart from generic nutrition programs. As a registered dietitian, she has the training to work with complex medical conditions and can coordinate care with your other healthcare providers. Her approach is grounded in current nutrition science rather than fad diets or restrictive programs. Clients consistently praise her ability to create realistic plans that actually fit into their lives. Sarah's focus on the psychological aspects of eating helps ensure long-term success rather than temporary results. Her warm, supportive style makes the process feel collaborative rather than prescriptive.
Insurance & Pricing
Many insurance plans cover nutrition counseling with a registered dietitian, especially when recommended by a physician for medical conditions like diabetes or obesity. Sarah works with most major insurance providers and can help determine your coverage. For self-pay clients, initial consultations are $200 and follow-up sessions are $125. Package deals are available for multiple sessions, and HSA/FSA funds can typically be used for services. Sarah also offers a sliding fee scale for clients with financial constraints.
First-Time Patient Tips
Before your first appointment, complete the intake forms Sarah will send you and keep a 3-day food diary including one weekend day. Be honest about your eating patterns, including any binge episodes or emotional eating. Bring a list of current medications, supplements, and any recent lab work. Don't start a new diet before your consultation, as Sarah wants to see your typical eating patterns. Come prepared to discuss your weight history, previous diet attempts, and any specific challenges you face. It's helpful to think about your goals beyond just weight loss, such as improved energy or better relationship with food.
Pros & Cons
Advantages
- Licensed registered dietitian with advanced training and medical expertise.
- Insurance often covers nutrition counseling services, making it more affordable.
- Personalized, evidence-based approach that addresses individual needs and preferences.
- Focus on sustainable habits rather than restrictive diets or quick fixes.
Things to Consider
- Doesn't provide medical weight loss interventions like prescription medications or procedures.
Service Area
Sarah serves clients throughout the San Francisco Bay Area from her downtown San Francisco office. She also offers telehealth consultations for clients who prefer virtual sessions or live outside the immediate area. Her practice attracts clients from throughout Northern California who value her specialized expertise and personalized approach to nutrition counseling and weight management.

Local Insight
Sarah's downtown San Francisco location is convenient for busy professionals working in the Financial District or SOMA. She understands the unique challenges of city living, including limited cooking space, reliance on restaurants and takeout, and high stress levels that can trigger emotional eating. Her recommendations often include strategies for navigating San Francisco's diverse restaurant scene and finding healthy options in the city's many neighborhoods.
Frequently Asked Questions
Will my insurance cover nutrition counseling?
How is working with an RDN different from other nutrition programs?
Do you provide specific meal plans?
Can you help with emotional eating?
How quickly will I see results?
Do you work with people who have medical conditions?
What's your approach to exercise?
Can you help me maintain my weight loss?
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