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Dr. Gilbert Simoni

3.7

About this business

Location details

555 Marin St STE 270, Thousand Oaks, CA, 91360, United States

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WeekdayScheduleStatus
Mon9:00 a.m. to 6:00 p.m.
Tue9:00 a.m. to 6:00 p.m.
Wed9:00 a.m. to 6:00 p.m.
Thu9:00 a.m. to 6:00 p.m.
Fri9:00 a.m. to 6:00 p.m.
SatClosed
SunClosed
3.73 reviews
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adam rosencrans's profile image
adam rosencrans 
a week ago

As a doctor myself, Dr. Simoni took care of one of my loved ones. When we were having trouble getting any clear plan or help from other doctors, Dr. Simoni took my loved one's symptoms seriously, thought deeply and appropriately about her case, and practiced prompt and evidence based care, with frequent and close follow-up until she began improving 

Toni Musso's profile image
Toni Musso 
3 months ago

As a physician referral source with over 45 years in healthcare, and also a dedicated patient advocate, I rarely post negative reviews. However, after being sent to Dr. Gilbert Simoni’s office for a FibroScan due to elevated liver enzymes and fatty liver, I encountered a grossly negligent error. The office told me the machine had been calibrated in November 2025, but the results I received indicated a P3 level, dangerously close to cirrhosis. Despite my request, I advocated for additional blood work, which contradicted the s... read more

lisa marin's profile image
lisa marin 
4 months ago

I wish Dr Simoni could be my primary care doctor, optometrist, dentist and yoga instructor!🧘‍♀️ His kindness and calm demeanor is what we all need. He’s never an alarmist or impatient, he’s calm and steady. That is why if he ever does have to give me some bad news I am going to believe him. There truly is no one like him. Thank you Doctor Simoni for all your patience, kindness and knowledge. You are making the world better. Sincerely Lisa Marin Thousand Oaks 

Taylor Brown's profile image
Taylor Brown 
7 months ago

I wish I could give 0 starts. This has been the worst experience ever. I have been in and out of the hospital for abdominal pain and they took me for an appointment the next week. As I was walking into my appointment I get a call from them. And I walk in and they say “oh by the way we don’t take your insurance” with a grin on their face. Giving no help and no direction for what to do next. They are a disgrace to the medical field. Stay away!!!!! 

Summer B's profile image
Summer B 
8 months ago

He's a wonderful and caring doctor who was highly recommended to me by my cousin who is one of the head nurses at Los Robles. 

Frequently asked questions about Dr. Gilbert Simoni

How is Dr. Gilbert Simoni rated?

Dr. Gilbert Simoni has a 3.7 star rating with 3 reviews. 

When is Dr. Gilbert Simoni open?

Dr. Gilbert Simoni is closed now. It will open at 9:00 a.m. 

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