What patients are saying
Overall rating
4.97
Average wait time
4.90
Bedside manner
4.97
“Absolutely great, quick, comfortable, and never anything short of professional. Clean office, latest and clean tools, everyone is very friendly.”
KPLess than 1 month ago
“Gracias por sus atenciones a todo el personal, son muy amables y hospitalarios con los pacientes. Les agradezco por todas sus atenciones.”
MVLess than 1 month ago
About Dr. nader ghiassi
After gaining valuable experience in group practices, Dr. Ghiassi founded Ortega Dental Care in 2004 — a practice built on trust, comfort, and excellence. Over the years, he has become known for his expertise in single dental implants, full-arch All-on-4 restorations, cosmetic and orthodontic treatments, crowns, gum surgery, and sleep apnea therapy.
Dr. Ghiassi continually invests in the latest dental technology to deliver precise diagnoses and advanced treatment options. By combining cutting-edge equipment with decades of hands-on experience and deep clinical knowledge, he ensures every patient receives accurate, comfortable, and long-lasting results. His attention to detail and commitment to excellence are evident in every smile he restores.
What truly defines Dr. Ghiassi’s approach is his passion for his craft and his patients. He treats everyone — from his own family and daughters to neighbors and lifelong local patients — with the same level of care and dedication. Many have been visiting Ortega Dental Care since the very beginning, a reflection of the lasting trust and relationships he has built within the community.
For Dr. Ghiassi, dentistry is more than a profession — it’s a lifelong commitment to helping people feel confident, healthy, and proud of their smiles. Outside the office, he enjoys spending time with his wife and four children, embracing the same warmth and connection that define his work at Ortega Dental Care.
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In-network insurances
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Office location
Education and background
Practice names
Education and training
- Dental School - University of Southern California, Certificate in Implantology
Languages spoken
- English
- Spanish
- Farsi
Provider's gender
Male
NPI number
1972601110
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.97
Wait time
4.90
Bedside manner
4.97
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30 reviews
Most relevant
It was good. I wasn't aware of appointment charges in advance but still got treatment . More payment & recovery information.
Less than 1 month agoRN
I am always attended & greeted with a positive attitude. The service is great and they are wonderful & professional.
Less than 1 month agoMC
I love how kind the staff are. I especially like how after every visit, they check up on me and make me feel seen.
Less than 1 month agoAM
Great experience. Since the last visit doctor was very helpful and very honest about my health, great cleaning.
Less than 1 month agoMB
My visit was great! I always feel so comfortable at Omega and feel super welcomed! Thank you everyone!
Less than 1 month agoAY
Very pleasant and easy
Less than 1 month agoMB
Always good!
Less than 1 month agoAB
Absolutely great, quick, comfortable, and never anything short of professional. Clean office, latest and clean tools, everyone is very friendly.
Less than 1 month agoKP
Gracias por sus atenciones a todo el personal, son muy amables y hospitalarios con los pacientes. Les agradezco por todas sus atenciones.
Less than 1 month agoMV
Great!
Less than 1 month agoLH
I couldn’t be more pleased with the experience. The staff and doctor are always friendly and professional. My son has been a patient for about 2 years for his braces. The initial start was smooth. Staff were clear about the options available. He will have his braces removed next month. :)
Less than 1 month agoIP
Wonderful! Cleaning experience was gentle yet thorough. Great recommendations tailored to my specific needs. I trust this dentist fully :)
Less than 1 month agoMM
Best Dentist in the country. Always easy.
Less than 1 month agoGW
Excellent as always!
Less than 1 month agoJM
Today visit was good and professional.
Less than 1 month agoSM
I love this office, their very fast and do an amazing job. The front check in assistance is my favorite part of coming here. The service is 10/10
Less than 1 month agoMT
Cleaning.
Less than 1 month agoVD
Always great.
Less than 1 month agoMT
Excellent service.
Less than 1 month agoCO
Tech is excellent
Less than 1 month agoRS
Just awesome
Less than 1 month agoSH
Less than 1 month agoJD
Less than 1 month agoLC
Less than 1 month agoLO
Less than 1 month agoEL
Less than 1 month agoMF
Less than 1 month agoGS
Less than 1 month agoBB
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Less than 1 month agoCC
How soon can I make an appointment with Dr. nader ghiassi?
Generally, Dr. nader ghiassi has appointments available on Zocdoc within 1 week. You can see Dr. ghiassi's earliest availability on Zocdoc and make an appointment online.
Is Dr. nader ghiassi accepting new patients?
Dr. nader ghiassi generally accepts new patients on Zocdoc. You can see Dr. ghiassi's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. nader ghiassi accept my insurance?
Choose your insurance plan to verify if Dr. ghiassi is in-network.
Can I make an appointment with Dr. nader ghiassi online?
Yes, you can make an appointment online with Dr. ghiassi using Zocdoc. It’s simple, secure, and free.
What practice does Dr. nader ghiassi work with?
Dr. nader ghiassi works with Ortega Dental Care.
Where is Dr. nader ghiassi's office located?
Dr. nader ghiassi's office is located at 27231 Ortega Hwy., San Juan Capistrano, CA 92675.
What are common reasons for patients to see Dr. nader ghiassi?
Dr. nader ghiassi frequently sees patients for Bridge, Dental Cleaning, Dental Consultation, Pediatric Dentist Consultation, and Root Canal. You can see other visit reasons for Dr. nader ghiassi on their profile.
What languages does Dr. nader ghiassi speak?
Dr. nader ghiassi speaks English, Spanish, and Farsi.
How do patients rate Dr. nader ghiassi in reviews?
30 patients have reviewed Dr. nader ghiassi. The overall rating for this doctor is 4.97/5. They have a 4.97/5 rating for bedside manner and a 4.9/5 rating for wait time. You can read individual reviews and ratings on their profile.