What patients are saying
Overall rating
4.95
Average wait time
4.90
Bedside manner
4.98
“Dr. Mostashiri is caring, gentle, and communicates so well—I felt comfortable and well taken care of.”
Initials hiddenAugust 13, 2025
“I was pleasantly surprised with my experience. It was my first time when I didn't have to file additional papers or wait for another 30 minutes even when I arrived on time. Dr. Mostashiri was very attentive and listened to all questions and tried to identify root cause of certain concerns. Would highly recommend!”
Initials hiddenLess than 1 year ago
About Dr. Sepideh Mostashiri
We are open 7 A.M. to 7 P.M. for our patients.
Dr. Sepi Mostashiri attended Karolinska School of Dentistry in Stockholm, Sweden, San Francisco State University for her undergraduate studies and the University of the Pacific, Arthur A. Dugoni School of Dentistry in 1996. Dr. Mostashiri is a member of The California Dental Association, American Dental Association and Santa Clara County Dental Society. In addition, she attends dental courses on a regular basis and belongs to several study clubs where she stays updated in improvements in dental technology with other dental professionals in the area. Right after graduation, Dr. Mostashiri joined a practice in Cupertino until she started her own practice in the beautiful financial heart of Sunnyvale. Dr. Mostashiri is passionate, caring, professional and patient towards every patient and staff member.
Dr. Mostashiri and her staff pride themselves in making every patient feel comfortable, by addressing their concerns and being efficient providing the highest quality of dentistry in a technologically advanced environment. During her free time, she enjoys spending quality time with her family, gardening and being active in the Community.
** Disclaimer **
Dr. Mostashiri provides an in-network experience for all out of network patients.
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In-network insurances
99% of patients have successfully booked with these insurances
Aetna
Cigna
Delta Dental
Metlife
Office location
Education and background
Practice names
Education and training
- Dental School - University of the Pacific, Doctor of Dental Surgery
Professional memberships
- California Dental Association
- American Dental Association
- Santa Clara County Dental Society
Languages spoken
- English
- Farsi
Provider's gender
Female
NPI number
1932244100
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.95
Wait time
4.90
Bedside manner
4.98
Your trust is our top concern, so providers can't pay to alter or remove reviews. We also don't publish reviews that contain any private patient health information. Learn more here
383 reviews
Most relevant
Dr. Mostashiri is caring, gentle, and communicates so well—I felt comfortable and well taken care of.
August 13, 2025Initials hidden
Amazing! Was recommended by a coworker and was not disappointed.
March 16, 2026Akash L.Verified patient
She is the kindest dentist I've ever met and so is the entire staff. The entire experience was so pleasant and professional!
More than 1 year agoKatherine N.Verified patient
Very friendly dental hygienist and doctor! They thoroughly explained to me everything about my dental health.
March 28, 2024FNU N.Verified patient
It's a wonderful clinic: great customer service and very knowledgeable doctors.
June 7, 2025Ana S.Verified patient
She is the best I've been going to her for over 15 years. I don't feel the shots and she does great work a perfectionist.
February 6, 2017Riya R.Verified patient
Knowledge, efficient, gentle, and painless. Very impressed with Dr. Mostashiri and her amazing team. Highly recommend.
March 13, 2019Bethany G.Verified patient
Dr Mostashiri is a great dentist. She cares about her work and her patients. I look forward to my appts every time.
July 7, 2020Aimee A.Verified patient
I drive 1.5 hours just to See Dr. Mostashiri because I have never had such a wonderful dentist. She's incredible!
January 7, 2021Niloo S.Verified patient
Love the care and attention Dr. Mostashiri provides! I've been going to her for years and I highly recommend her.
More than 1 year agoVandhana R.Verified patient
This office is amazing! I had a tooth ache and they got me in ASAP no questions! Highly recommend!
Best,
December 13, 2021Kylie O.Verified patient
Incredibly kind— her and all her staff! Way exceeded my expectations and will for sure be coming back.
More than 1 year agoInitials hidden
Dr mostashiri and her team are very polite and professional, as well as thorough with dental cleanings.
October 22, 2018Kathleen B.Verified patient
She explain the steps, I didn't feel any pain at all. And the quality of the work she did was grand.
November 19, 2019Sara S.Verified patient
My entire local family goes here. This was my first visit, and I think that she was very thorough.
July 15, 2021Maury S.Verified patient
Detail oriented, Nice professional service, had a good experience. Would certainly recommend people.
December 17, 2016Kumar S.Verified patient
The appointment was perfect. Doctor explained everything very well, was very friendly and kind!
More than 1 year agoTatiana K.Verified patient
The staff and Dr Sepideh were very kind and answered all my questions.
I was very comfortable
April 8, 2021Eric M.Verified patient
Dr Mostashiri is excellent in explanations, in addition to being an outstanding dentist.
December 11, 2020Ana K.Verified patient
Always a pleasure to be there for any dental procedures. Very professional and courteous.
December 6, 2017Cassandra M.Verified patient
Dr. Mostashiri (and the staff for that) are extremely professional, kind, and caring.
September 16, 2020Farhad T.Verified patient
I love these people. The Dr and her staff have been great. I'm so happy I've found her.
September 8, 2017Joseph V.Verified patient
Amazing experience. Great service and I felt very at home and welcome.
February 14, 2024John M.Verified patient
Professional, very friendly and attentive to my specific needs. Highly recommended!
More than 1 year agoSilvestro B.Verified patient
New equipment for photo taking allowed detailed inspection of my molar teeth.
September 19, 2022Aaron H.Verified patient
I love how patience and thorough Dr.Mostashiri ! She has a sweet personality!
July 10, 2017Amy R.Verified patient
always wonderful. the staff is friendly, knowledgable, honest & professional.
More than 1 year agoAH
Truly the nicest dentist office I've ever been to. Everyone is so kind!!
More than 1 year agoKatherine N.Verified patient
Overall excellent dentist with a flair for precision and patient interaction.
December 7, 2016Chris S.Verified patient
The doctor and her entire staff were kind, friendly and highly professional.
August 16, 2017Don P.Verified patient
Really nice people, very thorough and friendly. Definitely recommend!!
December 21, 2021Anurag P.Verified patient
Felt safe during Covid. Excellent service and guidance for future care.
January 15, 2021Marty H.Verified patient
This was my first visit to a dentist in US and the Dr is amazing!
March 15, 2017Yashaswi K.Verified patient
So happy I booked with this office. 10/10 all around.
More than 1 year agoInitials hidden
Filling repaired in less than an hour.
Little or no pain.
August 2, 2017Tim R.Verified patient
Dr. Mostashiri and her team are very kind and professional.
June 2, 2019Initials hidden
Very friendly, attention to detail, answered all questions.
December 1, 2016Pradeep B.Verified patient
Very nice practice with excellent professional staff
More than 1 year agoInitials hidden
I know my teeth are in the best care with Dr. Mostashiri
January 24, 2018Angela W.Verified patient
She and her staff did a great job for my and my kids.
December 14, 2017Hassan Y.Verified patient
She
October 14, 2025Dhvani B.Verified patient
Nice, professional doctor and staff
Less than 1 year agoInitials hidden
I was pleasantly surprised with my experience. It was my first time when I didn't have to file additional papers or wait for another 30 minutes even when I arrived on time. Dr. Mostashiri was very attentive and listened to all questions and tried to identify root cause of certain concerns. Would highly recommend!
Less than 1 year agoInitials hidden
Great dentist and very friendly staff!
June 16, 2025Stephen R.Verified patient
Wonderful experience at this office. The dental hygienist there was so wonderful and the full reason I’m going back. She was so considerate, gentle, and sweet which is a huge contrast to my dental cleanings before. Doctor S was also extremely kind and knowledgeable.
June 4, 2025Initials hidden
Very friendly staff — accommodated me due to a last min cancellation. Very calm and pleasant atmosphere. Dr Mostashiri is a great listener, she asks thorough questions about your problems, ongoing prescriptions etc and gives a well-rounded judgement. I’m sensitive and the staff took really good care of while taking X rays of my teeth. Great experience, will come here for follow-up cleaning. Highly recommend!
May 1, 2025Bhavana J.Verified patient
Couldn’t be any better. You are in good hands. Everyone is very attentive and friendly. Dr. Mostashiri makes a very thorough assessment and takes good care of you.
November 4, 2024Christian M.Verified patient
The hygienist was very nice and did a excellent job! The doctor was amazing! Very kind, knowledgeable and took the time to get to know a bit about me. I am very impressed with the whole staff. A very pleasant experience!
October 15, 2024Linda M.Verified patient
Dr. Mostashiri was so kind. She put me at ease regarding treatment planning. She explained everything in terms I can understand. Staff was friendly and efficient. Office was clean and sterile. Referral process was easy .
I was especially impressed with how they handled my insecurity and embarrassment of my teeth current state. Everyone made me feel comfortable and eased my anxiety with their compassion and professionalism. We will be patients for a long long time.
No need to look any further. Im confident Dr. Mostashiri and staff will have me smiling pretty with in the very near future.
Dr Yu did my tooth extraction same day. It was absolutely flawless work, no pain during and after.
I’m so thankful to have found this dental office and team of kind professionals.
September 26, 2024Thuy T.Verified patient
Amazing experience! The office is reachable by text and confirmed by appointment the day before. Wait time was <5 mins. The staff is very kind and competent. I highly recommend!
More than 1 year agoInitials hidden
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How soon can I make an appointment with Dr. Sepideh Mostashiri?
Generally, Dr. Sepideh Mostashiri has appointments available on Zocdoc within 1 week. You can see Dr. Mostashiri's earliest availability on Zocdoc and make an appointment online.
Is Dr. Sepideh Mostashiri accepting new patients?
Dr. Sepideh Mostashiri generally accepts new patients on Zocdoc. You can see Dr. Mostashiri's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. Sepideh Mostashiri accept my insurance?
Choose your insurance plan to verify if Dr. Mostashiri is in-network.
Can I make an appointment with Dr. Sepideh Mostashiri online?
Yes, you can make an appointment online with Dr. Mostashiri using Zocdoc. It’s simple, secure, and free.
What practice does Dr. Sepideh Mostashiri work with?
Dr. Sepideh Mostashiri works with Sepideh Mostashiri, DDS.
Where is Dr. Sepideh Mostashiri's office located?
Dr. Sepideh Mostashiri's office is located at 1021 S Wolfe Rd, Sunnyvale, CA 94086.
What are common reasons for patients to see Dr. Sepideh Mostashiri?
Dr. Sepideh Mostashiri frequently sees patients for Bridge, Dental Cleaning, Dental Consultation, New Patient Dental Exam (Adult), and Root Canal. You can see other visit reasons for Dr. Sepideh Mostashiri on their profile.
What languages does Dr. Sepideh Mostashiri speak?
Dr. Sepideh Mostashiri speaks English and Farsi.
How do patients rate Dr. Sepideh Mostashiri in reviews?
383 patients have reviewed Dr. Sepideh Mostashiri. The overall rating for this doctor is 4.95/5. They have a 4.98/5 rating for bedside manner and a 4.9/5 rating for wait time. You can read individual reviews and ratings on their profile.