Science-based, Personalized Mental Health Care

Integrative Psychiatry and Functional Medicine

Course: The Bliss Protocol

For patients who want to go beyond standard care, Dr. Lewis offers a structured educational program in integrative psychiatry and functional medicine – designed to help you understand and address the foundations of your physical and mental health. The program includes:

  • A step-by-step online curriculum grounded in evidence-based psychiatry and lifestyle medicine
  • Guidance on nutrition, sleep, movement, stress, and other biological drivers of mental health
  • Functional medicine frameworks for understanding root causes, not just managing symptoms
  • Live Q&A sessions with Dr. Lewis
  • Practical tools for building long-term mental and physical resilience

Whether you are a current patient looking to go deeper or someone who wants a rigorous, physician-led approach to their own health, this program gives you the clinical knowledge to make lasting change from the ground up.

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A Different Kind of Mental Health Care

We combine psychiatric expertise with functional medicine to identify and treat the biological, psychological, and lifestyle factors underlying mental health conditions, going beyond symptom management to address root causes.

Assess

We begin with deep clinical evaluation: comprehensive psychiatric assessment, advanced laboratory testing, and a thorough review of your history. The goal is to understand why you are struggling, not only what you are experiencing.

Treat

Treatment is precision-matched to your biology and circumstances. Depending on your clinical picture, this may include evidence-based psychiatry, nutritional and metabolic interventions, neuromodulation (TMS), and targeted lifestyle medicine, coordinated as a unified plan.

Sustain

Recovery is not an event. We support the long-term work of building physiological resilience, refining your treatment plan with data over time, and equipping you with clinical knowledge to maintain your gains.

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Integrative Psychiatry
Grounded In Evidence

I’m Beata Lewis, M.D., a triple board-certified psychiatrist in adult psychiatry, child and adolescent psychiatry, and integrative medicine.

Harvard Medical School didn’t just train me as a physician – it sparked a conviction that the best medicine is always asking better questions. That drive led me deeper into functional and integrative medicine, where I found the tools to investigate not just what a patient is experiencing, but why.

The result is a practice model I genuinely love: rigorous enough to satisfy the scientist in me, personal enough to honor each patient’s full story, and practical enough to produce real, measurable change.

I chair the American Psychiatric Association Integrative Psychiatry Caucus and teach Nutrition and Mental Health at NYU. My clinical team includes psychiatrists, psychologists, and therapists who share a belief that individuals deserve more than symptom-level treatment.

We welcome patients who are looking for a more comprehensive approach to their mental health care, and we work closely with referring clinicians across specialties.

  • Beata Lewis 20+ Years of Clinical Excellence 

    Harvard Medical School

    Harvard College

  • Beata Lewis Chair of Integrative Psychiatry Caucus of the American Psychiatric Association
  • Beata Lewis Columbia University Residency NYU Child Psychiatry Fellowship
  • Beata Lewis Board Certified in: Integrative Medicine, Psychiatry, and Child Psychiatry
  • Beata Lewis Clinical Assistant Professor at NYU

How It Works

Schedule a Consultation

Complete an intake questionnaire, then meet with Dr. Lewis for a comprehensive psychiatric evaluation and review of your history.

Get a Plan That Fits You

Treatment may include psychotherapy, functional medicine with advanced lab testing and lifestyle and nutrition guidance, neuromodulation, and medication when appropriate. Every plan is evidence-based and tailored to your specific needs.

Implement, Monitor, and Refine

Treatment is an ongoing process, not a one-time prescription. Dr. Lewis guides you through implementation, regular follow-up, lab retesting, and plan adjustment as your clinical picture evolves. She brings in consultants, coaches, or therapists when they add value, and weaves patient education throughout – because understanding your own biology is part of the work.

This process gives you the guidance, support, and tools to improve mental health and create lasting wellness.

Functional Medicine Mental Health Assessment with Dr. Lewis

1

Initial Evaluation

Conversation covering your medical and mental health history, current symptoms, prior treatments, and relevant lifestyle and environmental factors.

2

Testing

When clinically indicated, Dr. Lewis draws on a broad range of advanced testing beyond standard panels, including nutritional and micronutrient status, hormonal function, metabolic markers, gut health, and environmental exposures. Testing is ordered based on your individual clinical picture, not as a fixed panel, and results are interpreted in the context of your full history and presentation.

3

Findings & Strategy Session

Review Results and Plan Treatment

Dr. Lewis walks through all laboratory findings in detail, explains how they connect to your symptoms and diagnosis, and uses them to inform your treatment plan.

What Our Patients Say About Us

  • Dr. Beata Lewis has always been such a valuable colleague; she shares her knowledge and support generously and genuinely cares about others' success. The clients I have sent her way have always felt well-treated and respected. I also recently got to experience her clinical care through an integrative wellness group offered to mental health practitioners. Using recorded videos and live discussions, she taught us so much about keeping ourselves healthy and how to institute better habits. I also participated in some functional testing that gave me incredibly important and insightful information about my body; she is patiently helping me to digest this information and make changes in response. I'm grateful for all of her expertise!

  • I had the privilege of being among the few fortunate participants selected to attend the workshop series organized and led by Dr. Beata Bliss Lewis, M.D. It was a truly transformative experience.Dr. Lewis created an exceptional balance of practical clinical knowledge and deep experiential learning. What set this program apart was the uniquely supportive and nurturing environment she offered. Dr. Lewis graciously opened her home to us, providing a warm, welcoming, and “homelike” atmosphere that fostered genuine connection, growth, and healing.She nourished us with holistically prepared meals, rejuvenated us with sauna sessions, and guided us in mind–body practices, all while demonstrating how integrative psychiatry can — and should — be practiced. Her teachings were not limited to the professional domain; they touched our personal lives in meaningful ways.As a result of this workshop, I rekindled my daily meditation practice, incorporated Qi Gong into my routine, and was inspired to reintroduce and expand the use of laboratory testing in my own clinical work.If you are looking to elevate your clinical practice, expand your healing approach, and grow both personally and professionally, I wholeheartedly recommend the workshop series led by Dr. Beata Bliss Lewis. It is a rare opportunity that will enrich your practice and your life.Michael I. Gurevich, M.D.

  • Bliss has built a transformative program, so thoughtfully designed and a truly holistic approach to coming back into balance, improving health, and moving beyond anxiety and burnout.She has a gift for connecting the dots between the foods we eat, the toxins we’re exposed to, the stress that builds up in our bodies and how that impacts mood and energy. Through her gentle guidance and structured process, I was able to reconcile parts of my lifestyle that were out of alignment. Working through these aspects have helped me feel lighter, more free and in control of my health! I cant recommend this program enough!

  • I was able to experience this offering by Dr. Lewis. It was a meaningful experience that I found enriching. She is a thorough, thoughtful, and wise psychiatrist who truly cares and understands the components of well being. Her expertise, manner, and ability to share insights that gently encourage positive change is a recurring gift.

  • Dr. Lewis has inspired me to exercise more, eat more thoughtfully, and live more joyfully. I am a huge fan of her and this course!

  • Dr. Beata Lewis helped me to come out from depression by blending conventional and non conventional treatments. Thank you doctor!!

  • Here at Beata lewis MD who is an integrative pshychrist expert and provides many services for Mental Health Treatment.

  • Been seeing her for 8 and a half years almost and she is a gift. I have learned how to be happy and be happy with myself.

  • Dr. Lewis has a very informative blog and it is full of lots of useful information. I love looking in on it a couple times a week. Keep up the good work.

  • I got genetic testing done and it completely changed how I think about my lifelong symptoms. The test results triggered discontinuing my medications and instead replacing them with intensive exercise. Works much better for me.

  • I started seeing Dr. Lewis last year, when I was desperate for help. I had depression and terrible anxiety and I lost hope that I would ever find relief. I called and her assistant Ashley answered the phone and she was so helpful and caring. Dr. Lewis listened and cared, she was sympathetic, and she didn't judge me and I felt that I could tell her about what was going on with me. I learned a lit about anxiety and I don't have that kind of anxiety any more and I feel much more stable. She remembers the details of what I told her a long time ago. She did therapy with me and prescribed medication and supplements and also helped me improve my diet.

  • Dr. Lewis is both super smart and on the cutting edge of research in he field, and a thoughtful compassionate listener. She is great at getting to the nut of any issue and makes thoughtful recommendations for how to move forward. I've sent her multiple patients who give her great reviews and the kids she's worked with think she is super-cool. She gets my highest recommendation.

  • Not only is Dr. Lewis incredibly knowledgeable, but she is also one of those doctors who truly cares about people. She is thoughtful, patient, and relates to clients with compassion.

  • Dr. Lewis is a highly trained and credentialed psychiatrist. She is also warm and approachable and I truly feel seen and heard. Every experience I have had with her has left me feeling more confident and knowledgeable with better ways to approach my life situations and dilemmas. I am very grateful.

  • Dr. Lewis is kind and so knowledgeable. She really takes her time to hear everything that is going on, and she has many resources and tools to offer beyond just medication. She is truly interested in the whole person and is one of the best doctors I've encountered. Her medical education is top-notch and that is matched only by her bedside manner!

Transforming mental healthcare

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Frequently Asked Questions

What is the Bliss Protocol?

The Bliss Protocol is Dr. Lewis’s structured online program in integrative psychiatry and functional medicine, designed for patients and the general public. Over six to twelve months, it walks you through the biological, psychological, and lifestyle foundations of mental health at your own pace, with a step-by-step curriculum, practical tools, and live Q&A sessions with Dr. Lewis. No clinical relationship is required to enroll.

Can I combine the Bliss Protocol with clinical care?

Yes. Patients seeing Dr. Lewis clinically can enroll in the Bliss Protocol alongside their care. The curriculum is designed to reinforce and deepen the clinical work, helping you understand the reasoning behind your treatment and take a more active role in your own health.

What does clinical care with Dr. Lewis involve?

Dr. Lewis provides comprehensive psychiatric evaluation, diagnosis, and treatment. Depending on your clinical picture, this may include medication management when appropriate, functional laboratory testing, nutritional and lifestyle medicine, and referrals for therapy or neuromodulation.

What is functional medicine psychiatry?

Functional medicine psychiatry investigates the biological contributors to mental health – including nutritional deficiencies, hormonal imbalances, metabolic dysfunction, and environmental factors – that standard psychiatric evaluation does not typically assess. It complements rather than replaces conventional psychiatric care.

Where do you see patients?

Dr. Lewis sees patients in New York and is licensed in New Jersey, Pennsylvania, Connecticut, California, and Ohio. She is also eligible for expedited licensure across interstate medical compact states, making her accessible to patients in much of the country.

Who is a good fit for your practice?

Patients who have not found adequate answers through conventional treatment, those with complex or chronic presentations, and those who want a more thorough biological workup alongside their psychiatric care. Dr. Lewis welcomes referrals from clinicians seeking integrative psychiatric consultation.

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