About
Neil F. D. graduated with honors from the Ohio State University College of Medicine in 1981. His academic performance earned him election into Alpha Omega Alpha, the prestigious scholastic medical honor society. He holds board certification in family medicine and serves as a Fellow of The American Institute of Stress.
During his internship, Dr. Neimark grew convinced that medicine needed to address root causes, not just symptoms. That conviction shaped the entire direction of his career. He pursued deep training in psychoneuroimmunology, studying the brain-immune connection and the role of mindset, faith, and meaning in physical healing. Today he is passionate about hormone health, gut disorders, autoimmune conditions, and cognitive function. He guides each patient using the mdPersonal Health Roadmap, a 9-step framework tailored to professionals seeking peak performance and lasting vitality. Dr. Neimark also produces educational health content through his YouTube channel and medically reviews all clinical articles published by the practice.
Education & Training
Medical School
Ohio State University College of Medicine, graduated with honors, 1981
Additional Training
Fellow, The American Institute of Stress; Alpha Omega Alpha medical honor society
Certifications
Conditions Treated
Who is Dr. Neimark right for?
Dr. Neimark is a strong fit for adults in their 40s, 50s, and beyond managing complex or chronic health concerns. Patients dealing with hormone imbalances, gut disorders, autoimmune conditions, or cognitive decline benefit from his root-cause approach. Professionals seeking a structured, personalized plan for peak performance and disease prevention work well with his mdPersonal Health Roadmap. He also serves patients navigating perimenopause, menopause, thyroid dysfunction, and metabolic conditions like diabetes and PCOS.
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Frequently Asked Questions
Dr. Neimark focuses on hormone imbalances, gut disorders, autoimmune conditions, and cognitive health. He also treats thyroid dysfunction, adrenal issues, chronic fatigue, PCOS, perimenopause, and mold illness. His clinical range extends to metabolic conditions like diabetes and prediabetes. He approaches each condition by identifying and addressing its underlying root causes.
The mdPersonal Health Roadmap is a 9-step framework Dr. Neimark uses to guide each patient toward peak health. He tailors the roadmap to the individual, with a focus on disease prevention and lasting vitality. The framework draws on functional medicine, advanced lab testing, and lifestyle optimization.
Dr. Neimark uses advanced functional lab panels that go beyond standard bloodwork. His testing includes DUTCH hormone mapping, SIBO breath testing, gut health assessments, and genetic panels. These specialty panels help him identify root causes behind complex or chronic symptoms.
Yes, Dr. Neimark holds board certification in family medicine. He graduated with honors from the Ohio State University College of Medicine in 1981. His academic performance also earned him election into Alpha Omega Alpha, the medical honor society.
Dr. Neimark integrates psychoneuroimmunology into his clinical approach. He studies the connection between the brain, immune system, and physical health. He also incorporates mindset, faith, and meaning as active components of the healing process.
Yes, Dr. Neimark offers bioidentical hormone replacement therapy for both men and women. He uses DUTCH hormone mapping to assess hormone levels in detail. Treatment options include hormone pellet therapy tailored to each patient's individual needs.
Yes, Dr. Neimark offers telemedicine visits for patients who prefer remote care. This allows him to serve patients throughout California without requiring an in-person trip to the Irvine office.
Dr. Neimark has practiced functional and integrative medicine throughout his career. His training includes deep study in psychoneuroimmunology and preventive medicine. He specializes in family medicine, functional medicine, and preventive medicine, bringing a comprehensive lens to every patient case.
Doctor profile last updated March 21, 2026