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    John Nienow, MD

    3.8 (26 reviews)
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    10 months ago

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    1 year ago

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    1 year ago

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    1 year ago

    Slow to respond. No empathy. No help. Virtually ignores your condition and complaints. I don't know how this office retains clients.

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    5 years ago

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    5 years ago

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    5 years ago

    Dr. Nienow is now at Strategic Wellness - 2300 California St. 415-202-1550. He took over the practice of my old doctor, Gary Feldman.

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    10 years ago

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    13 years ago

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    12 years ago

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    11 years ago

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    10 years ago

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    14 years ago

    I would highly recommend Dr. Nienow (and have to many friends). He's punctual, very well informed, and a great physician.

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    11 years ago

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    10 years ago

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    10 years ago

    WHERE IS HE NOW? He is my PCP and I have not been able to find him since he left One Medical. Anyone with info, please share. Thanks!

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    10 years ago

    If anyone knows where this fabulous physician and human being is, please let all of us who obviously miss his care know! Hope all is well.

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    13 years ago

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    11 years ago

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    14 years ago

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    11 years ago

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    Ask the Community - John Nienow, MD

    Review Highlights - John Nienow, MD

    Nienow I know he will take great care of me, that means a lot after fighting HIV for 42 years.

    Mentioned in 13 reviews

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    Jenny-Viva Collisson, MD

    Jenny-Viva Collisson, MD

    5.0(9 reviews)
    3.0 kmLower Pacific Heights

    Dr. Collisson has definitely changed my life and arguably saved it…read more I've gone from life-threatening crisis to full recovery over the last year and a half. After 6 years of misdiagnosis and over-medication I was suffering from extreme chronic illness both physically and mentally. I came to her on at least 8 long-term medications, disabled and in total crisis. Through detailed testing, attentive personal conversations and her connecting and coordinating with my other specialists, Dr. Collisson pieced together the wicked puzzle that eluded at least a dozen prior doctors. I am no longer disabled at all. She empowered me to finally understand and control my own health. Today I feel healthier and stronger than I was in my 20s. I've only maintained one of the 8 medications and I've reduced the dose. I'm on one new permanent medication, but it's making a clearly understood and observable improvement to my health. I can't thank her enough! ...It's no small wonder that she is so over-subscribed and unable to accept new patients.

    Dr. Collisson is an exceptional physician whose focus is mind-body healing. She works with people…read moreseeking healthier lifestyles, including patients wishing to overcome sleep issues, improve diet, and/or manage stress more effectively. She works with individuals to discover the root causes of the situation and to find a holistic approach to healing. Not only is Dr. Collisson a great listener, but she is an incredibly intuitive person who is sincerely interested in one's well-being. Her process of learning about me and my lifestyle is very organic; conversation is very relaxed and never feels forced. She has a fantastic sense of humor, too, which helps to maintain a sense of balance in discussions. I like that she is dedicated to spending an entire hour with you each time, to maximize the outcomes of the visit (unlike most doctors I've been to, I never feel rushed). She is very good at piecing together aspects of one's life and using that information for individualized treatment. Going to Dr. Collisson is the best decision I've ever made in terms of my health, and I absolutely recommend her to anyone looking for an integrative medicine specialist.

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    Melissa Wong, MD

    Melissa Wong, MD

    4.1(11 reviews)
    4.1 kmOuter Sunset

    Candid and Knowledgeable Doctor + In network for pretty much every insurance provider + Decent…read moreChinatown location (and another in Sunset) + Appointments via ZocDoc = Awesome annual checkup spot Decided to change it up from seeing another ugly old white dude for my annual, and was very pleasantly surprised. Dr. Wong is way more current on her stuff than most doctors I've met with, she was able to address all my concerns without confusing me, and she corrected a lot of bad habits. She wasn't a stickler for scripts that I needed, and she gave me really good lifestyle pointers I never thought about. The building is pretty Spartan and very... Chinatown Medical Office, but Dr. Wong's office is very clean and spacious, with a huge waiting room + in-suite bathroom. It has a unique Chinatown charm in an east meets west kind of way! There's also quest lab in the building. Her Yelp reviews are buried in other previous practices, she operates in 2 locations- this one and another in Sunset. I found her via ZocDoc where she has a really long list of praises from her past patients. She was definitely that really smart kid in class everyone expected to end up a doctor, you can tell she's super sharp when you talk to her.

    Because my primary doctor retired a couple years ago, I needed to look for a new doctor close to…read morehome. I was so glad that I found Dr. Wong to be my primary physician after comparing a few doctors in my area. Dr. Wong is very patient and knowledgeable in discussing my health and concerns during my physical checkup. Her office staff is also very good in responding back to my calls and requests. A few months ago when I had a flu like symptom, I was concerned about COVID-19. It was close to late afternoon when I called Dr. Wong for an office appointment. She called me back quickly and was able to schedule a COVID-19 test for me at a nearby clinic. The test turned out to be negative so I had a peace of mind. My experience with Dr. Wong has been great and I highly recommend her.

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    John Nienow, MD - familydr - Updated June 2026

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