Gut Health Doctor in Columbus, Ohio
Get Real Answers From GI Symptom Specialists Who Listen
You’ve described the same symptoms to more than one doctor. You’ve been handed a prescription. Then told to avoid certain foods and sent home. But nothing actually changed.
At Donaldson, our functional medicine team first looks beyond the diagnosis to understand what is actually driving your discomfort and then builds a plan around you.
How We Can Help You
What Conditions Do You Treat for Gut Health?
Our functional medicine team works with patients experiencing:
- IBS
- GERD
- Crohn’s disease
- Celiac disease
- Non-celiac gluten sensitivity
- Ulcerative colitis
- And a wide range of symptoms that don’t always come with a clear diagnosis.
If you’ve been told your tests are “normal,” but you still don’t feel right, then we want to have a conversation with you today.
The Gut Health Specialists Behind Your Care
Colleen Bush, RDN, LDN, IFNCP
Registered Functional Dietitian | Gut Health Specialist
Colleen is a registered functional dietitian specializing in gut health optimization, food sensitivity assessment and sustainable nutrition planning. Instead of generic protocols, she builds personalized dietary and lifestyle frameworks rooted in functional testing and practical, real-life eating habits.
Marguerite Weston, MD, IFMCP
Functional Medicine Director | IFM Certified Practitioner
Dr. Weston brings 20+ years of functional and integrative medicine experience to every patient relationship. A Top Doctor honoree every year since 2019, she leads with a root-cause philosophy: identifying the systemic drivers of gut dysfunction that conventional care often overlooks.
real patient voices
“Colleen Really Taught Me How to Eat Again.”
Our patients consistently describe the same thing: for the first time, they feel genuinely heard and genuinely better. Beyond the relief, they also remark that they now feel more educated about their own unique body.
WHY DONALDSON
Gut Health Care That Goes Beyond the Diagnosis
Most gut health patients arrive after years of trial and error. Restricted diets, Piles of inconclusive tests. Treatments that addressed some of the symptoms but brought about new ones. We operate differently.
Our functional medicine providers take the time to understand the full picture of your health before building a plan. That means advanced diagnostics, one-on-one attention and a care team that stays engaged well beyond your first appointment. We are a long-term partner in your health.
We Are a Long-Term Partner in Your Health:
- Root-Cause Diagnostics: Functional testing that goes beyond standard bloodwork
- Personalized Plans: No two patients, microbiomes or lifestyles are the same
- Full Team of Experts: Our providers collaborate in your best interest, not within the confines of insurance
- Education at Every Step: You leave understanding your body better than before
Frequently Asked Questions About Gut Health Treatments
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Your first visit takes about one full hour and is a comprehensive intake focused entirely on you: your symptoms, your history and the full context of your daily life. We ask the questions most providers don’t have time for, and we listen.
No recommendations are made until we have a clear picture.
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A gastroenterologist specializes in diagnosing and treating GI conditions, often through procedure and prescription. Our functional medicine providers focus on identifying the root causes driving those conditions, including nutrition, gut microbiome health, stress, sleep and systemic inflammation.Both have a role; we’re often the missing piece.
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No! Not necessarily, and that’s not our starting point. Colleen’s approach is built around what is actually sustainable for your schedule, your taste preferences and your lifestyle. Changes are introduced iteratively, based on testing and your body’s response — not a generic template handed to every patient.
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Schedule a consultation at our Columbus, Ohio, practice. Your 30-minute intake will help us understand your symptoms, review your health history and identify the right starting point — whether that’s advanced functional testing, a nutrition assessment or a deeper conversation about what’s been going on.We go from there together.Note: The consultation does require a booking fee.
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Absolutely. We recognize the importance of providing you with flexibility in managing your healthcare expenses. Using your HSA is not only welcomed but encouraged at our practice, so that you may receive the specialized care you need, while also enjoying the tax benefits your HSA provides.
Are You Ready for Real Relief?
Our gut health specialists in Columbus, Ohio, are ready to help you get to the root of your symptoms. Then, we will work with you to build a plan that actually works long-term.