Kore Natural Medicine now open in Walnut Creek, CA! In-person and virtual bookings available.
Feel heard, seen, and cared for

Meet the faces behind Kore

We're a team of dedicated practitioners who care deeply about your health, your story, and your future.

Good care starts with the right team

At Kore, we take the time to listen, understand, and treat what matters.

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Owner, Kore Natural Medicine

Dr. Uppal, ND

Founder, Naturopathic Doctor

Dr. Uppal blends evidence-based medicine with the art of deep listening. Known for her thoughtful, personalized approach, she’s helped hundreds of patients uncover the root causes of their health concerns and rebuild their well-being from the inside out.

From hormonal harmony to digestive health, Dr. Uppal is passionate about creating clarity, simplicity, and sustainable change. She meets every patient where they are, and helps them get to where they want to be.

Special interests: Naturopathic care, hormone health, perimenopause and menopause, digestive and gut health

Book with Dr. Uppal

Dr. Walter, L.Ac.

Licensed Acupuncturist & Functional Medicine Practitioner

With a unique ability to merge Eastern wisdom with Western insight, Dr. Homberg helps patients find healing through acupuncture, functional medicine, and nervous system regulation.

His treatments are especially supportive for those navigating chronic pain, neurological concerns, anxiety, or mood imbalance — offering relief, renewal, and a sense of reconnection. Patients appreciate his calm presence, clear explanations, and results that go beyond symptom relief to whole-system support.

Special interests: Chronic and neurological pain, anxiety and mood disorders, acupuncture for stress and trauma, digestive health, and integrative care for sleep and nervous system resilience

Book with Dr. Walter

Saba Rana

Administrative Coordinator

Saba is the friendly voice you’ll likely hear first when you call Kore—and the one quietly making sure your experience flows smoothly from start to finish.

With a background in both hospital and clinic settings, she brings professionalism, heart, and a true gift for keeping everything (and everyone) on track.

From booking appointments to answering your questions with care, she’s here to make your journey feel grounded, clear, and welcoming.

Sarah Carlen

Front Desk Support

The warm smile that greets you the moment you walk through the door at Kore, Sarah is responsible for making sure everything runs smoothly behind the scenes. She plays a key role in creating the calm, welcoming environment our patients love.

With over 20 years of experience in the healthcare field, including roles in memory care, medical assisting, and pharmacy, Sarah brings both heart and know-how to her work.

She’s passionate about natural medicine and loves supporting patients on their healing journey, one thoughtful detail at a time.

What you can expect from our team

  • We don’t treat “normal” lab ranges.
    We treat you. If something feels off, we take it seriously, regardless of what your bloodwork says.
  • We speak like real people.
    No jargon. No confusion. Just clear explanations, better answers, and clear next steps.
  • You’ll leave with clarity.
    Whether it’s your treatment plan, supplement protocol, or lab results, you’ll know exactly what’s happening and why.
  • We don’t do one-size-fits-all.
    Your care is tailored to your body, your goals, and your life, not just a diagnosis.