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Debora Tingley, functional medicine practitioner, in her Berkeley, California office.

Functional Medicine Practitioner
Certified Nutrition Specialist
PhD in Neuroscience

Hello, I'm Debora

MY PRACTICE

This is a solo functional medicine practice focused on gut, microbiome, cardiometabolic, and brain health. You'll work directly with me throughout your care. I take the time to study your history, symptoms, and lab results, whether the goal is resolving a persistent problem or protecting long-term health. My approach is science-based, drawing on both the research literature and clinical practice. Sessions are available in person in Berkeley, CA, and via telehealth.

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Why I Was Drawn to Functional Medicine

MY STORY

My father was growing wheatgrass in our Los Angeles backyard in the 1970s. Needless to say, I grew up in a household that valued eating a healthy diet. As someone who has endured chronic migraines, I've also been careful with food choices, but it was only after a severe health crisis — triggered by a combination of gastrointestinal infection, antibiotic use, and midlife stress — that I truly understood the vital role of gut health in overall wellness.

 

Even though I studied basic science and traveled in standard medical circles for most of my professional career, I guess the apple does not fall far from the tree: I was always trying to resolve health issues for myself and others by mining the scientific literature, getting to the underlying cause, and then using diet and lifestyle to rebalance. When I realized this practice had a name, “Functional Medicine,” I knew I had finally found my calling. After several years of rigorous graduate study, internship, and starting a private practice, I am humbled by the depth of the clinical science, the uniqueness of each person’s health story, and the power of collaborative clinical work. I invite you to join me on a transformative journey toward your best expression of health and vitality, guided by the effective principles of functional medicine.

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MY PATH

My path to this work hasn't been a straight line. Early in my career, I earned a PhD in neuroscience at the Johns Hopkins University School of Medicine and worked in academic biomedical research and biotech. Later, after witnessing my parents struggle through chronic illness, I went back to school for a master’s in gerontology so I could better understand how to help people navigate aging. I then spent seven years co-leading a community nonprofit for people living with memory loss and their caregivers. On a memory cafe outing to the Buck Institute for Research on Aging, I heard Dr. Dale Bredesen speak about reversing early cognitive decline. It was my first introduction to functional medicine, but I recognized it right away: looking for underlying causes and connections was how I’d always approached health for myself and my family. Seeing it applied to brain health was a watershed moment, and it sent me back for a master’s in human nutrition and functional medicine.

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I started the program focused on brain health, but my new training confirmed what my own midlife health crisis had taught me: the gut is central. I became fascinated by the microbiome and came to see how closely gut, metabolic, and brain health are linked. 

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After completing my Master of Science, I continued building my clinical foundation through a 1,000-hour supervised internship with Clinicians Incubator, earning my Certified Nutrition Specialist (CNS) credential and LDN license. I went on to become an Institute for Functional Medicine Certified Practitioner, completed a year-long mentorship at the Kalish Institute of Functional Medicine, and became certified in Dr. Bredesen’s ReCODE and PreCODE protocols through Apollo Health. I also continued my microbiome studies with Dr. Jason Hawrelak and became a Certified Healthy Gut Practitioner.

 

This body of work shapes how I practice today. I pair a critical read of the research with clinical wisdom from my own practice and my mentors to connect the dots across a complex health picture, always with the long view in mind.

Institute for Functional Medicine Certified Practitioner (FMCP) badge
Certified Nutrition Specialist (CNS) badge, American Nutrition Association
Certified Healthy Gut Practitioner badge, Dr. Jason Hawrelak’s Microbiome Learning Center
3X4 Genetics certified practitioner logo
Apollo Health ReCODE certified practitioner badge, Bredesen Protocol for cognitive decline
Kalish Institute functional medicine mentorship program badge

MY CREDENTIALS

​CERTIFIED FUNCTIONAL MEDICINE PRACTITIONER (FMCP)

Institute for Functional Medicine

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CERTIFIED NUTRITION SPECIALIST (CNS®), LDN

Board for Certification of Nutrition Specialists​​​

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ReCODE 2.0 CERTIFIED PRACTITIONER

Apollo Health | Bredesen Protocol

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CERTIFIED HEALTHY GUT PRACTITIONER

Microbiome Restoration Center

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Ph.D., NEUROSCIENCE

Johns Hopkins University School of Medicine

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M.S., HUMAN NUTRITION & FUNCTIONAL MEDICINE 

University of Western States

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M.A., GERONTOLOGY 

San Francisco State University​

FROM PEOPLE I'VE WORKED WITH

Working with Debora has been truly life-changing. Her patience and kindness made our work together such a positive experience, and her thorough research allowed us to fully resolve my digestive issues. Best of all, a year has gone by, and they have not recurred.

— M.O.

What I loved about working with Debora is her ability to look at all of my goals… holistically, taking into account both my health needs and my personal preferences. AND IT WORKED! I can sleep, exercise, and work more easily again.

— J.B.

With Debora's personalized and precise approach as a functional nutritionist, we have overcome amalgam mercury poisoning, high cholesterol levels, and high blood pressure. Together, we have improved my chances for healthy aging and longevity.

— P.R.

Have questions about working together?

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