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    Bill Jou, MD

    4.0 (46 reviews)
    Open • 8:00 am - 5:00 pm

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    Ask the Community - Bill Jou, MD

    Does the phone work there? I've been calling and leaving messages and no one has answered or replied.?

    Good luck, we had the same issue and never received a return call after multiple messages. Other doctors need to stop referrals to this office.

    Hello - Can anyone help me with a phone # for the Doctor? I cannot seem to locate a good phone # for Dr. Bill Jou in Temecula.…

    Dr. Bill Jou is the BEST endocrinologist and can be reached at (951) 676-8118

    Don’t See Your Question? Ask Away!

    Review Highlights - Bill Jou, MD

    “Dr Jou is the best Dr, he is a great listener, cares deeply, compassionate about you, you never ever feel rushed.”

    Mentioned in 34 reviews

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    Kathy K  Joo, MD

    Kathy K Joo, MD

    2.1(43 reviews)
    2.6 mi

    Friday, 10-10-2025: Once again I opted to visit with Dr. Joo in person instead of over the phone…read moresince she is my favorite doctor. I was here to discuss the results of my current blood test. Both she and I were happy that it yielded signs of major improvement. Due to Dr. Joo's absolute & diligent care and expertise I have lost over 40 lbs & other areas displayed a remarkable move in the right direction. The only downside was my cholesterol remains high. I cannot tolerate statins so she suggested Repatha, which Tricare approved. I love engaging in discourse with her because she's so attentive and so interesting. I owe her so much for helping me improve my health. Good healthcare is a true collaborative process and I'm grateful to her for the milestones we have achieved. She is a consummate professional who is also so warm & caring! These are qualities of a superb doctor. Ignore the horrendous reviews and give her an honest, fair chance. You will be happy you did! Thank you so much Dr. Joo!

    Please before you go to this doctor look at all of the negative reviews and realize that they are…read moreall true. the absolute worst doctor we have ever been to. Not only did they give us a wrong diagnosis but they stood by it to the point where my wife is now suffering because of it. We are filing a complaint with the board and actively looking at a malpractice lawsuit. If you were referred to this doctor by your primary care physician please contact them and tell them to send you somewhere else.

    Photos
    Kathy K  Joo, MD - View of lobby entering from the street side.

    View of lobby entering from the street side.

    Kathy K  Joo, MD - Tuesday, 2-11-2025: Updated directory with floor plan.

    Tuesday, 2-11-2025: Updated directory with floor plan.

    Kathy K  Joo, MD - Tuesday, 2-11-2025: View of lobby where elevator is located next to the directory from the hallway.

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    Tuesday, 2-11-2025: View of lobby where elevator is located next to the directory from the hallway.

    Deborah Layton, NP

    Deborah Layton, NP

    4.0(12 reviews)
    3.2 mi

    I miss her. She was an awesome provider. I wish I knew where she is now. Always kind and loving and…read morecaring too

    Deborah Layton was the best doctor I ever had in my 57 years on this earth . I saw her regularly at…read moreRancho Medical Group in Temecula. She was a great communicator and NP. Very knowledgeable and willing to listen. One day I messaged her, right after Christmas 2025. She usually gets right back to her patients, at least in my case, but in this case it was several weeks with no response so I figured maybe she was on a vacation. I was quite taken back when I found out that she had left the practice as I had just saw her a week prior to Christmas. . I never heard from her and I was pretty close to her as a patient and she knew so much about me and my medical and health needs. She helped me profoundly and I was absolutely grieved to see her go. It has been difficult to find a doctor like her. I have several conditions and a rare disease. She did not hesitate with unconventional and traditional approaches, and to listen to the patient and their needs as well as how they were feeling, to together come up with the solution that would alleviate the issues as well as provide hope for getting on a good path to overall health and well being and move forward to see what will work optimally for each of unique case. It is now April 2026 and I still am looking for a doctor that is even somewhat what Deborah Layton was.

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    Deborah Layton, NP
    Deborah Layton, NP

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    United Endocrinolgy - Dr. Patricia Park

    United Endocrinolgy

    1.0(2 reviews)
    6.9 mi

    Well, my primary care physician referred me to Dr. Park, I'm a type 1 diabetic on an insulin pump…read more I called Dr. Park's office, and her office girl was extremely rude, didn't care at all, and blew me off. They are from a corporation called "United physicians". Thunder and off shore out sourced call center in the Philippines, and they don't give a damn about a patient at all. Stay away from any doctor with "United Physicians", just to save a few bucks, they take jobs away from Americans and send those jobs to the Philippines.

    Unfortunately due to Evan's rude customer service & being no help I never got to meet Dr Park for a…read moreactual appointment however if these are the type of employees they have working for The United Medical Doctors Corporation I have no desire to get established. I've waited literally all year since the beginning of January 2023 to be seen and I finally had a appointment today but was informed within less than 24 hrs prior to my appointment that it had been cancelled due to my authorization expiring. Not only was I informed at 4:56pm (and they close at 5pm) but I was told my appointment was cancelled. Not even offering me time to get an extension or a new Authorization. I did my own research and contacted my PCP and insurance to push the auth through (they did and got me a new auth) all for nothing. Evan called my cell left a voicemail saying I can come to the appointment after he had canceled it but I need to get there ASAP. Well I had made arrangements to leave work in plenty of time to make this appointment but when he originally canceled it I didn't bother. My insurance called me to say they had Even on the other line and wanted to 3 way him in I agreed. Evan said they would not accommodate me and I would be too late he than began to yell at me and say I missed a appointment with them just going back and forth. I was so upset I almost drove down to the office to see if he would talk to me like that in person but GOD!!! That's-all I can say. Meanwhile they use virtual health assistants on a different time zone in a different country and it's extremely difficult to communicate with them let alone do something simple like get them to answer the phones. This review is based on Evan and Evan alone. He really must not enjoy what he does for a living and it clearly shows. Management needs to read the google reviews and step it up.

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    United Endocrinolgy

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    Hoyt Integrative Health

    Hoyt Integrative Health

    4.6(40 reviews)
    7.4 mi

    Dr. Hoyt and the team at Hoyt Integrative Health were an absolute answer to prayer. Dr. Hoyt goes…read moreso far beyond what a standard doctor offers. For the first time, I felt truly seen and heard during my son's appointment. Instead of band-aid fixes, Dr. Hoyt offered real-life solutions for long-term health, using his expertise to look at my son as a whole individual to give him the best possible chance at a healthy, fulfilling life. I had previously left our pediatrician's office feeling uneasy after being told "everything looks good" when I knew in my heart that wasn't the case. Dr. Hoyt actually cares about proactive care--focusing on what keeps you healthy now and prevents a lifetime of illness and medication management down the road. This is what healthcare should look like: real conversation, clear explanations of health, genuine support, and deep care--all the things that seem to be lacking in so many doctors' offices today. He made myself, my husband, and especially my son feel completely comfortable and supported. This is true preventative healthcare: getting you well and keeping you well, rather than waiting for illness to strike before acting. It is every parent's dream. I cannot recommend Hoyt Integrative Health enough!

    I have been going to Dr. Hoyt since Feb 2025. I was diagnosed with autoimmune (Sjogrens and…read moreHashimoto's) and I was MISERABLE. I had no energy. I was relying on coffee throughout the day to keep myself going. At night I would toss and turn, never getting restful sleep. I was desperate for it. I had almost constant body aches, and if I did anything physical I "paid" for it in joint and muscle pain for days after. I didn't want to go to the doctor and be put on a new medication. I needed a solution to the root of my pain, not a bandaid. I sought out a functional doctor in my area and found Dr. Hoyt and his wonderful staff. On my initial visit I learned that I was full of inflammation, and the next visit it was all confirmed with my blood test results. In two weeks of following his plan I got my sleep back. In a month I no longer had chronic joint pain issues. In the 6 months I lost 44 lbs and regained my health! I have changed my nutrition and now respect how my body can heal itself. I am feeling so great now - I can't thank Dr. Hoyt enough. My insurance did not cover it - but what I gained was worth every penny.

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    Hoyt Integrative Health
    Hoyt Integrative Health
    Hoyt Integrative Health

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    Tri Valley Internal Medicine - Very pretty rooms

    Tri Valley Internal Medicine

    3.6(104 reviews)
    5.3 mi

    Parking in front of the office is tight! It's one way only. But there's plenty of parking on the…read morestreet. There's plenty of staff here. I would say they're doing their job but that's about it. The lobby itself is clean and there were plenty of seats. The office has several doctors so it's surprising how few people there were. I didn't wait too long. The medical assistant who brought me back was OK. I came in to see Dr Pleskow- Weismann the allergist today. She has very limited hours but she's practically the only allergist in the area! She was great. She was not rushed. She took her time. I felt she was knowledgeable and am confident in her care.

    My elderly Mother went to Tri Valley for almost 20 years and I was so impressed with the Medical…read moreGroup over the years of attending medical appointments with my Mother, I immediately selected them for my Primary Care when I went on Medicare. I have had interactions with several medical staff over the years - Joe Dematia, Physician Asst. is wonderful and of course Dr. Nguyen is outstanding! The staff is always responsive and professional. I appreciate they are not reluctant to refer a medical issue to a Specialist and order labs, x-rays and scans! SO HAPPY with this group and specifically the Date Street Office! Love they take initiative to call if you are overdue for a 6-month routine check up.

    Photos
    Tri Valley Internal Medicine - Patient room.

    Patient room.

    Tri Valley Internal Medicine - Waiting lounge

    Waiting lounge

    Tri Valley Internal Medicine - First dosage of COVID Shot

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    First dosage of COVID Shot

    Bill Jou, MD - endocrinologists - Updated October 2026

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