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    Reginato Mark, MD

    3.9 (29 reviews)

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    4 years ago

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    17 years ago

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    9 years ago

    Awesome doctor! Keep up the great work! Wish I could continue seeing him but he moved to a practice too far for me to go to!

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    11 years ago

    Dr Reginato excellent. Front desk staff is unprofessional. As others have said, Sandy makes things very unpleasant.

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    15 years ago

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    13 years ago

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    16 years ago

    Dr Reginato is fantastic. Thoughtful, thorough and a great physician. As a physician, I feel very comfortable that he is my doctor.

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    Thoughtful, thorough and a great physician.

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    Michael Temkin, DO - WAITING ROOM

    Michael Temkin, DO

    3.2(66 reviews)
    3.2 mi

    This is a long pending review that I have been meaning to write for over 6 months now…read more I have always struggled with weight fluctuations. With that came a whole lot of other issues like PCOS, hormonal imbalances, low energy, high triglycerides etc etc. That's when I discovered LeanMD and started the program with Dr Temkin's team (specifically Kayoko). At first it may seem like a standard calorie deficit diet program. When you combine that, with regular exercise, low carb diet, their supplements and weekly accountability check ins, it makes all the difference. I went from 160lbs down to 136lb in my first 12 months. Then took a break due to travel and other engagements and I was able to sustain the weight loss with slight increase of 3lbs(I have been eating regular diet/not on low carb). I was able to fight my PCOS and get my regular cycles back. My hair/skin also improved dramatically (thanks H2O). The biggest value add for me personally working with Kai! She is awesome and keeps it real! This is a lifestyle changing and definitely sustainable program. I highly recommend!

    I went to my appointment on 12/1/25 and went to check in with the receptionist when the lady…read moresitting at the desk behind the receptionist stated very angrily that my appointment was cancelled. I let the receptionist know I confirmed my appointment and that I received an OK. After showing the receptionist the text thread, She stated to the lady sitting at the desk that I did indeed confirm my appointment to which the angry lady replied "I never received it". The receptionist stated she would look into seeing if I could be seen still and I asked to use the restroom while she checked to see if the Doctor would see me. When I returned to the front desk-the receptionist was explaining to me how important it was for me to confirm my appointments as soon as I receive the text. I simply replied how I had been in meetings all day ( mind you this was the day before Thanksgiving, and I was already stressed because it was my 1st year to host Thanksgiving), and the receptionist replied with "we don't know that your in meetings". As soon as I was going to apologize to the receptionist, the angry lady sitting at the desk tries to start going off on me and I put my hand up to stop her. I then looked at the receptionist and stated " I'm good" and I left the office. Yesterday I received a letter from this office telling me that Dr. Temkin can no longer see me due to my behavior between his office. Not once did I raise my voice nor did I say anything rude. DO NOT GO TO THIS DOCTOR unless you want to be spoken to poorly by the staff. Mind you the receptionist was very kind and professional. However-the lady that does the scheduling-GET RID OF HER. BTW-because of this lady I wouldn't have set foot back there anyway. So they wasted a stamp . I still have the text with all of the confirmations showing I confirmed my appointment and asking her not to cancel my appointment and that I did in fact confirm my appointment. Very sad!

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    Michael Temkin, DO - Michael Temkin, DO is a Board Certified Internal Medicine & Primary Care serving San Ramon, CA

    Michael Temkin, DO is a Board Certified Internal Medicine & Primary Care serving San Ramon, CA

    Michael Temkin, DO - Michael Temkin, DO is a Board Certified Internal Medicine & Primary Care serving San Ramon, CA

    Michael Temkin, DO is a Board Certified Internal Medicine & Primary Care serving San Ramon, CA

    Michael Temkin, DO - Michael Temkin, DO is a Board Certified Internal Medicine & Primary Care serving San Ramon, CA

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    Michael Temkin, DO is a Board Certified Internal Medicine & Primary Care serving San Ramon, CA

    Reginato Mark, MD - internalmed - Updated May 2026

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