BTHealth Bay West is committed to providing the highest quality care for patients. The practice’s team offers personalized attention in a friendly, courteous environment. With providers specializing in Internal Medicine, Family Medicine, Geriatrics, Pediatrics and Medical Acupuncture, they care for patients on every step of their health journey.
Do you have health insurance?
Our providers accept most major health plans. Looking to receive care from one of our BTHealth professionals?
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.
Sacha Z. Niemi, MDDr. Niemi is a family medicine specialist who earned a medical degree from Albany Medical College in Albany, NY and a residency at Community Hospitals of Indianapolis (Indiana). She has been in practice for more than 20 years.
Barbara M Bishop, MDDr. Bishop is a family medicine specialist who is board certified in in both family and geriatric medicine. She earned her medical degree at Northwestern University, Feinberg School of Medicine and completed a residency and internship at San Francisco General…
Amanda H. Massad, M.D.Dr. Amanda Massad is a family practice physician practicing in San Francisco, CA.
Jason Wertheimer, DOWith a background in osteopathic medicine, Dr. Wertheimer brings a whole-person approach to help prevent illness and injury. He believes that understanding and honoring patients’ values, goals and preferences supports personalized, proactive, patient-driven care, and that listening and partnering with…
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.
Family Practice, Internal Medicine, Pediatrics, Women’s Health, Allergy Lab.
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.
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.
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.