Restore Balance, Resilience & Vitality with Root-Cause Whole-Person Care in NYC

At Simplicity Health Associates in West Village, Dr. Ivy Branin, ND, and Dr. Pauline Hoang, ND, provide compassionate, evidence-based integrative medicine. We look beyond isolated symptoms to evaluate how stress, sleep architecture, gut-brain signaling, circadian biology, and environmental factors influence your physical and emotional well-being—empowering adults, adolescents, and children to thrive naturally. Explore our whole-body protocols or learn about our connected women's hormone services and digestive health care.

Authored and clinically reviewed by Dr. Pauline Hoang, ND (Graduate of National University of Natural Medicine) and Dr. Ivy Branin, ND (Graduate of Bastyr University).

The Root-Cause Difference: Whole-Person Integrative Medicine

Conventional medicine often compartmentalizes the body into separate specialties—referring insomnia to a sleep specialist, anxiety to a psychiatrist, fatigue to an endocrinologist, and skin issues to a dermatologist. However, the human body functions as a single, unified ecosystem.

When chronic psychological stress triggers elevated adrenal cortisol, it disrupts sleep architecture, weakens intestinal mucosal barriers, alters thyroid hormone conversion, and triggers systemic skin flare-ups. Masking symptoms with temporary sedatives or stimulant prescriptions fails to resolve the underlying biological breakdown.

At Simplicity Health Associates, we bridge the gap between rigorous diagnostic testing and natural therapeutics. We evaluate the nervous system, endocrine pathways, metabolic function, and environmental exposures simultaneously to restore true physical, mental, and emotional equilibrium.

Accredited Clinical Leadership & Credentials

As licensed Naturopathic Doctors (NDs) trained at accredited medical doctorates—Bastyr University and the National University of Natural Medicine (NUNM)—our integrative medicine protocols merge modern neurobiology with time-tested botanical and lifestyle therapeutics. We are active professional members of the New York Association of Naturopathic Physicians (NYANP) and the American Association of Naturopathic Physicians (AANP).

Our Advanced Diagnostic & Functional Testing

To pinpoint the exact biological mechanisms behind chronic exhaustion, mood changes, sleep disturbances, or immune dysfunction, we order targeted functional diagnostics:

  • Adrenal & Diurnal Cortisol Rhythm Testing (DUTCH / Salivary Panels): Measures free cortisol and cortisone output across 4 key points of the day to evaluate HPA (Hypothalamic-Pituitary-Adrenal) axis dysfunction, morning cortisol awakening response (CAR), and burnout.

  • Organic Acids Testing (OAT): Evaluates cellular mitochondrial energy production, neurotransmitter turnover (serotonin, dopamine, norepinephrine metabolites), vitamin cofactors, and detoxification capacity.

  • Comprehensive Micronutrient & Heavy Metal Screen: Screening cellular levels of key neuro-protective minerals (magnesium, zinc, selenium, lithium orotate), active B vitamins, vitamin D3, and toxic environmental burdens.

  • Comprehensive Thyroid, Metabolic & Inflammatory Panels: Measuring full thyroid panels (Free T3, Free T4, Reverse T3, TPO/Tg antibodies), fasting insulin, high-sensitivity C-reactive protein (hs-CRP), and homocysteine.

Conditions We Treat & Specialized Protocols

Insomnia & Sleep Architecture Restoration

Resolving difficulty falling asleep, middle-of-the-night waking, early morning anxiety, and unrefreshing sleep by addressing nighttime cortisol spikes, melatonin synthesis deficits, neurotransmitter imbalances, and circadian disruption without habit-forming sleep medications.

  • Targeted Support: Sleep-Onset Insomnia, Sleep Maintenance Insomnia, Circadian Rhythm Disruption, Post-Stress Sleep Fragmentation.

Anxiety, Depression & Stress Resilience (Gut-Brain Axis)

Restoring emotional equilibrium and cognitive clarity by targeting the gut-brain axis, vagus nerve signaling, neuroinflammation, and nutrient cofactors essential for serotonin and GABA synthesis.

  • Targeted Support: Generalized Anxiety, Chronic Stress Burnout, Dysthymia, Mood Oscillations, Brain Fog, Panic Sensitivity.

Chronic Fatigue, HPA Axis Dysfunction & Adrenal Burnout

Rebuilding cellular mitochondrial energy production, balancing diurnal cortisol curves, and supporting recovery from prolonged occupational, emotional, or post-viral exhaustion.

  • Targeted Support: HPA Axis Dysfunction ("Adrenal Fatigue"), Post-Viral Fatigue, Executive Burnout, Cellular Mitochondrial Sluggishness.

Pediatric & Adolescent Naturopathic Care

Providing gentle, safe, and natural healthcare tailored to infants, children, and teenagers. Led by Dr. Pauline Hoang, ND, our pediatric protocols address digestive issues, food allergies, eczema, adolescent hormonal acne, focus challenges, and sleep habits with evidence-based natural solutions.

  • Targeted Support: Pediatric Digestion, Food Sensitivities, Eczema, Adolescent Acne, Stress & Focus Support, Immune Resilience.

Environmental Detoxification & Metabolic Resets

Supporting hepatic Phase I/II detoxification pathways and cellular clearing to mitigate the impact of environmental toxins, heavy metals, mold/mycotoxin exposure, and dietary overload. Explore our structured metabolic jumpstart protocols.

  • Targeted Support: Mycotoxin/Mold Exposure, Environmental Chemical Load, Heavy Metal Burden, Metabolic Reset.

Immune Modulation & Autoimmune Support

Downregulating systemic auto-antibodies and inflammatory cytokine activity while optimizing barrier defenses to help individuals with autoimmune conditions (Hashimoto's, rheumatoid trends, psoriasis) achieve long-term remission and vitality.

  • Targeted Support: Autoimmune Disease Co-Management, Frequent Infections, Seasonal Allergies, Histamine Reactivity.

Fullscript Supplement Protocols

Looking for professional-grade, physician-curated supplement support? Dr. Ivy has created targeted protocol collections available directly through our secure Fullscript online dispensary. Supplement collections below reflect practitioner formulations. Always consult with a licensed healthcare provider before initiating new dietary supplements.

Sleep & Nervous System Protocols

  • Stress & Sleep Restoration Protocol: High-potency magnesium glycinate, L-theanine, phosphatidylserine, and gentle nervine herbs (passionflower, skullcap) to calm night racing thoughts.

  • Adrenal Burnout & HPA Axis Recovery: Adaptogenic botanicals (Ashwagandha, Rhodiola, Eleuthero) and B-complex cofactors engineered to normalize daily cortisol rhythms.

Daily Foundations & General Wellness Protocols

  • Dr. Ivy’s Daily Supplements & Favorite Greens: Core daily multivitamin, essential minerals, phytonutrient greens, and antioxidant foundations for daily cellular energy and vitality.

  • Everyday Women's Health & Wellness: Targeted daily micronutrients, omega-3 fatty acids, and neuro-protective antioxidants engineered to support lifelong female health.

  • Travel Essentials Protocol: Curated immune support, gut barrier stabilizers, and adaptogenic formulas designed to prevent illness, digestive disruption, and fatigue during travel.

Pediatric & Family Health Protocols

Patient Success Stories


Patient reviews reflect personal experiences and do not constitute a guarantee of identical clinical results. Individual results may vary based on health history, compliance, and individual physiological factors.


  • Kay. D

    Insomnia, Stress & Overall Life Transformation

    ★★★★★

    Pauline is an incredible practitioner—she is kind, caring, knowledgeable, and passionate about her work. I have been seeing her for nearly 2 years to address insomnia, reproductive health, stress/anxiety, and overall wellness, and I truly feel that she's changed my life for the better… You are in good hands with Dr. Hoang!

    Source: Verified Google Review

  • Georgia. D

    Pediatric & Adolescent Care

    ★★★★★

    Dr. Hoang offers a whole-person, holistic approach which has helped relieve my teenager's intense acne. She answers all our follow-up questions thoughtfully and offers clear options. Our meetings never felt rushed. Highly recommend Dr. Hoang!

    Source: Verified Google Review

  • Emily. D

    Adrenal Burnout, Fatigue & Stress Resilience

    ★★★★★

    I had been dealing with irregular periods, hormonal acne, fatigue, and hair loss for a year before I found Dr. Hoang... Dr. Hoang taught me how to manage my stress better, suggested the appropriate vitamins, and made dietary changes that supported my thyroid. I started to feel more like myself again!

    Source: Verified Google Review

  • Bronson. P

    Insomnia, Stress & Overall Life Transformation

    ★★★★★

    Dr. Hoang has been instrumental in my healing journey. I was dealing with anxiety, insomnia and some gastrointestinal issues that my MDs could not figure out. A lot of the meds given to me made feel even worse. But Dr. Hoang took the time to listen...

    Source: Verified Google Review

  • Tracy. A

    Pediatric & Adolescent Care

    ★★★★★

    I took my teenage daughter to see Dr. Ivy for a stubborn skin condition. She was very attentive during the visit and provided us with a very easy to follow protocol. Within weeks my daughter's skin condition was clear and she was immensely relieved. I highly recommend Dr. Ivy, she is professional, knowledgeable and supportive.

    Source: Verified Google Review

Frequently Asked Questions

Ready to Restore Your Mind, Body & Vitality from the Root Cause?

Take the first step toward lasting energy, restful sleep, emotional balance, and whole-body vitality. Book an initial consultation with Dr. Ivy Branin, ND, or Dr. Pauline Hoang, ND, at our West Village practice in NYC or virtually from anywhere in the world.

In-person consultations available at our NYC office. Virtual telemedicine consultations are available for patients across New York State and globally.