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Home » Practice Locations » Altais Medical Group Geary

Altais Medical Group Geary

Aerial view of the Bay Bridge in San Francisco

Altais Medical Group Geary providers practice in San Francisco with a focus on internal medicine.

Practice Providers


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

Dr. Monita Green focuses on building long-term relationships with her patients while delivering evidence-based care that emphasizes prevention and overall wellness. As a primary care physician, Dr. Green specializes in managing chronic conditions, preventive medicine, and helping patients navigate their…
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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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Janet Michelson, NP

Janet Michelson, NP

A nurse practitioner has a graduate degree in advanced practice nursing and works in a variety of specialties, including cardiology, pediatrics, oncology, and more.
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Michelle Liu, PA

Michelle Liu, PA

Michelle brings diverse expertise in both family medicine and ophthalmology to our value-based care model. Michelle’s commitment to building strong patient relationships and delivering personalized care exemplifies our mission to transform healthcare delivery.
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Do you have health insurance?

Our providers accept most major health plans. Looking to receive care from one of our Altais Medical Group professionals?

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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.


Altais Medical Group Geary

4322 Geary Blvd.
San Francisco, CA 94118

Phone: 415-221-3200

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).

What our patients are saying

With so many choices, our patients keep coming back. Here’s what some of them are saying about our primary care providers and our practices:

The physicians, registered nurses, and all office staff at Altais Medical Group 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 Altais Medical Group 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 Altais Medical Group 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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601 12th Street, Suite 1600, Oakland, CA 94607

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