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Home » Our Practices » BTHealth Geary

BTHealth Geary

Aerial view of the Bay Bridge in San Francisco

BTHealth Geary providers practice in San Francisco with a focus on internal medicine.

Practice physicians


Our physicians are passionate about primary care and treating you as a person, not just a diagnosis. We think about your health comprehensively and partner with you to help you reach and maintain your optimal wellness.

Monita S. Yuen-Green, MD

Monita S. Yuen-Green, MD

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Karen K. Khoo, MD

Karen K. Khoo, MD

Dr. Karen Khoo is an internal medicine specialist who earned her medical degree at McGill University – Faculty of Medicine in Montreal and completed a residency in internal medicine at Pacific Presbyterian Medical Center, now California Pacific Medical Center, in…
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Clare C. Siu, MD

Clare C. Siu, MD

Dr. Siu is an internal medicine specialist with more than 52 years of experience in the medical field. She graduated from the Women’s Medical College of Pennsylvania and completed a residency at Albert Einstein College of Medicine – Jacobi Hospital…
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Our providers accept most major health plans. Looking to receive care from one of our BTHealth professionals?

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Practice providers


Your primary care teams at BTHealth represent a partnership between your physician and many talented and dedicated team members.  These individuals join their talents and experience to support and guide you on your health care journey.

Jennifer Chan

Physician Assistant

    Namui Choi

    Nurse Practitioner

      Therese Grenchick

      Nurse Practitioner

        Location & contact information


        Our providers and staff are here to answer your questions, listen to your concerns, and help you on every step of your health care journey.  Please call or email with any questions you may have.


        BTHealth Geary

        4322 Geary Blvd.
        San Francisco, CA 94118

        Phone: 415-867-2748

        Specialties

        Internal Medicine

        For Your Visit

        To make your experience as pleasant and efficient as possible, we encourage you to plan to arrive at our practice 15 minutes before your appointment time to complete the registration process. If your insurance requires a referral, please be sure to bring it with you to your appointment. Also, please remember to bring your insurance card(s).

        The word on the street…

        With so many choices in the Bay Area, our patients keep coming back. Here is what some of them are saying about our providers and our practices!

        The physicians, registered nurses, and all office staff at BTHealth Berkeley are always kind, patient, professional, and highly competent. I received excellent care and every member of the team was courteous and attentive to my needs.

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        Patient Feedback

        I love the whole experience at BTHealth Geary and have been a satisfied patient for years. Front staff: friendly, helpful, professional. Dr. Karen Khoo and NP Janet Michelson have really felt engaged and protecting of my health and wellness.

        Patient Feedback

        Everyone I’ve encountered at BTHealth Campus is fantastic. Always polite and organized. Call backs and follow-ups are timely. I’ve never had any issues with that staff. They are fantastic and I’m glad to have them in my life.

        Patient Feedback

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