About

Dr. Mostashiri embodies so many of the valued qualities that can be appreciated when selecting a dental provider. Not only is she a person of exceptional merit in her everyday life, but she is also an admired and well-respected Sunnyvale dentist here in the beautiful heart of Silicon Valley. Above all else, Dr. Mostashiri values her patients and their long-term health. She is strongly committed to providing you with the quality of care that you deserve by establishing a strong line of communication, comfort, and education to put your mind at ease and reassure you that you’re in good hands. She truly cares about every patient as whole healthy people, not just their oral health. She is a natural leader who is detail-oriented and extremely passionate about providing care to those in need. She enjoys the work she does every day, being able to watch her patients evolve into healthier, happier individuals. She possesses a keen ability to explain complex procedures and processes into simple language so that the patients can understand exactly what is going on in his/her mouth and any procedures that she may suggest. You will always receive her undivided attention, even if it requires the appointment to run longer than expected. It is important to our entire office that you are greeted with a smile, and leave with the confidence and knowledge we know we can offer you.

Education & Certifications
education DDS University of the Pacific, Arthur A. Dugoni School of Dentistry
certification Dental Board of California Sep 23, 1996
Verified Patient Reviews
Based on 101 reviews across 4 sources
5.0 /5
Staff 4.7
Mehak M. Checkmark Verified Patient

Dr Mostashiri was very understanding and thorough. She asked me a lot of questions patiently. Her assistant was very detailed in her cleaning

Reviewed on November 22nd, 2024

Shubham V. Checkmark Verified Patient

I did my teeth cleaning and cavity filing. The doc is really nice and explains everything in a lucid way.

Reviewed on November 13th, 2024

Aiyan K. Checkmark Verified Patient

Doctor Sepideh is amazing. She's friendly and explains everything patiently. She is thorough in her examination and gives her honest opinion about everything.

Reviewed on October 27th, 2024

Linlin X. Checkmark Verified Patient

The doctor is very nice and helped general dental health check carefully. I did have a bit complex scenario than usual and a bunch of questions has been answered by the staff. Cleaning service is also great.

Reviewed on October 18th, 2024

Sankar S. Checkmark Verified Patient

Most helpful doctor and vast experience d.

Reviewed on October 7th, 2024

Yanzhi X. Checkmark Verified Patient

Very clean clinic and professional staff. Cleaning of my teeth was thorough.

Reviewed on September 19th, 2024

Akash L. Checkmark Verified Patient

Great experience. Doctor was very gentle on my teeth, and cleaned my teeth very nicely.

Reviewed on July 2nd, 2024

Supraba M. Checkmark Verified Patient

Very kind doctor. Didn't recommend anything unnecessarily. Patiently answered my questions. Amazing experience.

Reviewed on June 22nd, 2024

Anna Samantha B. Checkmark Verified Patient

I had a great experience with Dr. Mostashiri and her staff. The office was very clean and I was seen right when my appointment started. I had some anxiety with going to the dentist because I have not gone in years. Dr. Mostashiri’s staff was so sweet and informative. They were ready to help me on my way to a better dental health.

Reviewed on April 9th, 2024

Richa K. Checkmark Verified Patient

Nice doctor!

Reviewed on December 20th, 2023

Sachet R. Checkmark Verified Patient

Very good doctor. Patient and answers all the questions.

Reviewed on December 19th, 2023

Madhavi G. Checkmark Verified Patient

This dentist is a very patient listener. The cleaning was also very thorough and I appreciated that the dentist did the cleaning herself.

Reviewed on December 8th, 2023

Nalaka R. Checkmark Verified Patient

Excellent

Reviewed on December 1st, 2023

Xueran M. Checkmark Verified Patient

Very nice and patient to explain everything

Reviewed on November 8th, 2023

Cheng Z. Checkmark Verified Patient

Really gentle dentists to go through with you the details. Helpful suggestion and willingness to take care of your gum. Really close to my home.

Reviewed on October 9th, 2023

Dong W. Checkmark Verified Patient

Nice and thorough check.

Reviewed on August 21st, 2023

Jianxiao h. Checkmark Verified Patient

Good service! The appointment was easy. The dentist is professional and responsible

Reviewed on August 15th, 2023

Ting W. Checkmark Verified Patient

Good experience. Dr. Sepideh is very patient.

Reviewed on August 15th, 2023

Daniel M. Checkmark Verified Patient

Dr. Sapideh Mostahiri was very kind and welcoming. Her initial comprehension was very thorough and her treatment was not discomforting. Also, the receptionist helped me save money on my insurance plan.

Reviewed on June 12th, 2023

Masaru K. Checkmark Verified Patient

Very clear and kind explanation.

Reviewed on June 9th, 2023

Desi M. Checkmark Verified Patient

The whole experience was good! Dr. Mostahiri was so knowledgeable and answered all my questions. Everyone there was so friendly and it was quite busy when I came. I also like the fact that she didn't try to get so much money from us like other dental places.

Reviewed on June 5th, 2023

Shikha S. Checkmark Verified Patient

everyone in this office is very very professional, friendly and accommodating. Dr Sepideh has a very subtle personality that calms you down even talking to her. With her over 26 years of experience, she is very knowledgeable and confident! she figured out things that none of my previous dentists even cared or caught! her staff Laticia and Sahar are also very nice, respectful and professional!

Reviewed on May 25th, 2023

Aditya N. Checkmark Verified Patient

Dr Mostashiri, looked at my teeth x-rays and images and recommmneded all the right things for my teeeth. The staff is friendly and helps you understand the entire process. Got my teeth cleaning done and it was very smooth.

Reviewed on May 24th, 2023

Kohei U. Checkmark Verified Patient

Very good service. Dr. Sepideh Mostashiri treats patient very very good. I would like to visit here again. 100%.

Reviewed on February 2nd, 2023

Qiu Ru Linnette T. Checkmark Verified Patient

Thorough cleaning and examination. Both hygienist and doctor took the time to point out problem areas and recommend potential solutions. Felt comfortable and well cared for.

Reviewed on January 20th, 2023

Yooseong K. Checkmark Verified Patient

The doctor and the hygienist were very kind and considerate, with very good bedside manner. I liked the thorough exam and cleaning. The front-desk staff was efficient, quick and responsive. I've booked my next appointment and will definitely go back. Opencare was not very helpful, though. The only reason I used this was to see an open slot and make an appointment online. Opencare's calendar is not synced with the actual calendar in the doctor's office, so the time slot I booked via Opencare was actually not available in the office. We ended up having to do multiple calls and texts to find a time slot that works for my schedule and make an appointment. I don't see a point in using Opencare if this is just as good as the Yellow pages.

Reviewed on December 15th, 2022

Humphrey H. Checkmark Verified Patient

Dr Mostashiri and her team did a great job examining not only my teeth, but also my TMJ and jaw muscles which are often strained from grinding. The office was clean and modern, and the cleaning went superbly.

Reviewed on November 2nd, 2022

Sayantan D. Checkmark Verified Patient

She has become one of my favourite doctor.. such a nice personality and does excellent job and very patient fully listens and explains any problems… only one suggestion time to wait needs to reduce during office hours (9-5)

Reviewed on October 11th, 2022

Navya G. Checkmark Verified Patient

Dr. Mostashiri is really good. She explains everything in detail and looks at all possible things and solutions. Highly recommend her.

Reviewed on August 26th, 2022

Danlu H. Checkmark Verified Patient

My dentist was very knowledgeable and kind! Cleaning was done very thoroughly. Also carefully helped examine my x ray and explained things to me in a very understandable way

Reviewed on July 5th, 2022

Frequently asked questions
Where is Dr. Sepideh Mostashiri, DDS's office located?

Dr. Sepideh Mostashiri, DDS's office is in Sunnyvale, CA.

What services does Dr. Sepideh Mostashiri, DDS offer?

Dr. Sepideh Mostashiri, DDS offers Bridges and Dentures, Fillings, Teeth Bonding and more. Learn more about Dr. Sepideh Mostashiri, DDS's services on Opencare or book your appointment today.

Does Dr. Sepideh Mostashiri, DDS accept insurance?

Dr. Sepideh Mostashiri, DDS accepts Delta Dental, Cigna, MetLife and more. Enter your insurance details on Opencare to check coverage.

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