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Dr. Siamak Agha-Mohammadi, MD

Dr. Siamak Agha-Mohammadi, MD

Cosmetic, Plastic & Reconstructive Surgery*
25+ years of experience

Dr. Siamak Agha-Mohammadi, MD is a plastic surgeon in Newport Beach, CA and has over 25 years of experience in the medical field. He graduated from Cambridge University School of Medicine in 1997. He is accepting new patients.

4.1 Star Rating
Based on 70 reviews 4.1 Star Rating (70 reviews)

Practice

3701 Birch St Ste 200 Newport Beach, CA 92660

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Dr. Agha-Mohammadi's Reviews

Likelihood to recommend Dr. Agha-Mohammadi

4.1
70 ratings, 47 with a written review
5 star
74%
74%
4 star
3%
3%
3 star
0%
0%
2 star
1%
1%
1 star
21%
21%

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After losing over 200 pounds, I needed a surgeon I could trust to help reshape my body. Dr. Siamak Agha is not only incredibly skilled but also truly artistic in his approach. I’ve had a lower body lift, vertical thigh lift, thigh debulking, buttock fat transfer, and mons lift, with more procedures and a few fixes scheduled soon. Even in the middle of my journey, the results are already amazing. Dr. Agha and his entire team are compassionate, attentive, and genuinely care about their patients. I feel supported every step of the way. Choosing Dr. Agha was one of the best decisions I’ve made.
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Apr 24, 2025
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Life changing!
Dr.Agah is knowledgeable, professional and extremely experienced! I loved my results, healed in no time and cannot wait for my second surgery with him! I am so grateful to have found him and his team!
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Apr 15, 2025
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Amazing experience
I’ve had such a wonderful experience with Dr Agha, Chelsea, and the entire staff (shout out to Cristela as well)! After years of extensive research and losing approx 100 lbs, I knew Dr Agha was who I wanted to do my surgery and I traveled from FL to California for my procedures. For this procedure, Dr Agha completed an arm lift, J thoracoplasty, breast reduction and lift with reverse tummy tuck, midline upper body (bra line) lift with fat transfer to the buttocks. I stayed in California for one month for recovery and had regular follow ups with Chelsea and Dr Agha to ensure my healing and recovery was going well. While I'm still healing, I am already so in love with my results and feel like all my hard work is paying off. I sent a picture of myself to all my friends within 5 days of the procedure showing off and sent them all my surgical videos on social media because it looks so amazing! Terrific experience all around- 5 stars!
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Apr 12, 2025
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Loving my results!
I've been following Dr. Agha for years on Instagram admiring his work. After four kids and losing about 100lbs it was my turn to see him. On our first consultation Dr. Agha and his staff made us feel so comfortable. He answered all our questions, we left very confident that we picked the right doctor. I had an extended tummy tuck with muscle repair on December 16th 2024. After our surgery Dr. Agha and his staff were in constant contact with us. Which helped my healing process. I will be forever grateful for Dr. Agha and his staff!
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Lori H. – Jan 15, 2025
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Forehead Reduction Surgery with Bone Shaving
I had Dr. Agha perform a forehead reduction surgery with bone shaving and it was the best decision I've ever made in my life. I was made fun of since elementary school for having a larger than average forehead and I was always extremely insecure because of it. When I met Dr. Agha, he pointed out that one side of my forehead had a bony protrusion that stuck out more than the other. Dr. Agha lowered my hairline and shaved the bone to symmetrically flatter my forehead and entire face. I also looked into a lot of research of other surgeons nationwide and in Turkey performing the forehead reduction, none of them include the bone-shaving. Thank goodness I chose Dr. Agha because I received optimum results by having him perform the forehead reduction and bone skull shaving. I truly believe this Dr. Agha is the greatest plastic surgeon in the world for the procedure I've had done by him. I know no one else in the world would have matched the results he granted me with. Thank you so much!
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
zanafrezi – Oct 24, 2024
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Perfect Experience!
Dr. Agha and his team are so wonderful! I couldn't be happier with the results, and his staff was so personable and professional. Couldn't ask for more, HIGHLY recommended!
What went well
  • I felt respected
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Trusted the provider's decisions
What could be improved
No results
Helpful
G.F. – Sep 01, 2024
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Wonderful surgeon!
I’ve had 3 surgeries by Dr Agha, and I am very happy with my results. Before my wedding I started looking into arm lifts. I was nervous about booking the consult because the fee was $350, which is admittedly a lot. And what happened if I didn’t like him? But during my consult I spoke with Dr Agha about a different procedure I was interested in, and instead of upselling he explained to me that it wouldn’t make sense to do that procedure at this point. I immediately felt at ease, knowing he was more interested in patient welfare than selling his work. The arm lift was 2 years ago and I love my results. 8 months ago I had a breast reduction & lift with internal bra. One side needed correction which we did 2 weeks ago. I am super happy with the results of the side that was okay, and am sure I will be with the corrected side once it settles too. I definitely recommend Dr Agha to those looking for a plastic surgeon!
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 other person found this helpful
Helpful
Erin W – Jul 21, 2024
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My experience with Dr. Agha and his staff was nothing short of exceptional! My entire surgical journey pre peri post was seamless. Everyone from front desk to operating room acted with utmost professionalism. My procedure was breast reduction breast lift. Despite having my pick of many plastic surgeons since I live in Los Angeles, I picked Dr. Agha. His years of experience, education and mostly the type of breast lift offered (dermal bra suspension) were just a few reasons for my pick. Dr.Agha was my first and last consultation. I am very pleased with my results and highly recommend Dr. Agha to anyone considering any breast procedure. Thank you for an amazing experience!!
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Jul 16, 2024
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Breast Reduction and Lift at 72.
My name is Christine Curtess and I live in Southern California. I have wanted to have a breast reduction and lift for sometime. When my girlfriend had a procedure and I saw her amazing results (a 360, where they took her fat and created stunning breasts) I knew I had found my surgeon. The PA, front office girls, manager, and coordinator where all very supportive during my pre and post op. At 72, I had no reservations to have a breast reduction, L lift and and breast lift with Dr Agha. Just look at his work and credentials. Dr Agha stands at the top of his profession, as I also interviewed with top plastic surgeons in Beverly Hills. He has been perfecting his technique for over 20 years and I can tell you my breast look like that of a 20 year old. I also like the fact that he talked about supplements, nutrition, exercise, and sleep in order to excel the process of healing. I will be going back to him next year for a tummy tuck. Make an appointment for a consultation, I promise
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
May 01, 2024
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Dont do it
He does NOT stand behind his 'work' me my case they told me what you want to hear then $30, later did what he wanted I came out worst then when I went in and on top of that even after receiving my form for my medical records they still have not handed them over they have 15 days and its been over two months office have been just giving me the run around regarding my refund and medical records!!! Agha, Shireen, chelsea the staff should me ashamed
What went well
No results
What could be improved
  • I didn't feel respected
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
  • Long wait times
2 others found this helpful
Helpful
j Hagiperos – Feb 13, 2024
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Dr. Agha and his staff have made my mommy makeover journey go as smoothly as possible. The transformation is truly jaw dropping in the best way. I am very big on how a doctors staff treats their patients, Dr. Agha has done a phenomenal job at picking his staff. I truly can not say enough kind words about them. I am only 4 weeks post op, my incision scars are very thin, and already hardly noticeable, my swelling is coming down and my breast havnt looked this good in my entire life. After following all the doctors tips for a smooth recovery, I am very happy with the outcome of my surgery. I would highly recommend anyone considering such an invasive surgery to go to Dr. Agha. You will not be disappointed.
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 other person found this helpful
Helpful
Krystal Kimmel – May 04, 2023
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Look no further
I’m now 10 months out from my first consultation with Dr. Agha. After two surgeries (amounting to a total body lift), I’m a new person inside and out. He skillfully blends the art and science of physical change with emotional wellbeing. He acutely understands the impact that feeling beautiful and whole has on a person. He listens to your concerns with a keen intent to hear how your life is affected, not just to assess how you look. How you perceive yourself is everything. People perceive things differently and YOU are the only person who really matters. Of course, he’ll have suggestions to help guide your decision making. He has all the requisite experience and success to help you navigate your journey. Study his Instagram page and you’ll see. I’m so grateful to have found Dr. Agha and his staff at The Aesthetic Centers. They’re all personable, highly skilled and treat you with kindness and empathy. I feel lucky to have engaged them for my journey and consider them all friends now.
What went well
  • I felt respected
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Apr 22, 2023
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Terrific Surgeon and Amazing Staff!
I had the pleasure of meeting with Melanie and then Dr. Agha back in October 2022 and with surgery set for November 21, 2022. I had lipo done to my upper and lower back, love handles, upper arms and back legs. Fat transfer to the rear end to smooth and balance out. The surgery went great, but I did have a problem where the drain was simply not draining. So back I went the following morning for help. The staff were great, especially Chelsea and Nicole! They helped and I was able to get a quick solution to my issue right away! I made sure to go to ALL of my appointments, (and follow ALL instructions), and I was able to have the drain out in a matter of weeks just before my trip to Belize before Christmas! The swelling has subsided as the weeks/months have gone by and I am looking forward to the Summer. One thing above all though is the kindness and care I received from Dr. Agha and his amazing staff! They were hands down extraordinary!
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 other person found this helpful
Helpful
LORI K – Mar 25, 2023
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Great Experience and Results
I am eight weeks out from having an extended tummy tuck with liposuction with Dr. Agha. After two c-sections and an emergency abdominal surgery, I felt like a stranger in my own body. I did extensive research for months before even scheduling a consultation. Once I did, and met with Dr. Agha, I never went to see anyone else. He, along with his staff, were attentive, explained services in detail, and were available to answer any questions I had prior to surgery, and I have received the same type of care after surgery as well. Each person I have interacted with on his staff, from the woman at the front desk to the anesthesiologist, have made me feel welcome and cared for. I am incredibly happy with my results. Dr. Agha initially asked what I wanted done, and listened to my concerns, and made his suggestions based on that conversation. I never felt pressured to get additional work done and knew I was in great hands. Thank you Dr. Agha for giving me my body back!
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 other person found this helpful
Helpful
Jamie – Oct 22, 2022
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Soooo happy !!!
I got an extended tummy tuck, liposuction and fat transfer to the butt on January 31, 2022 and I could not be happier. The whole team took such great care of me before and after the procedure. Chelsea was super great and very attentive in my post op visits. The front office people are super friendly, accommodating and caring. Dr. Agha does exquisite work and is a perfectionist and really cares about the work he does and the outcome. I am over the moon happy with my results. I highly recommend Dr.Agha and his team!
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Oct 11, 2022
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An Artist
Dr. Agha’s performed my facelift about a year ago. I am very pleased with the results. My face just keeps looking better and better as the weeks pass. My double, triple chin is gone. I have a beautiful jawline now and apples in my cheeks. My sister introduced me to Dr. Agha, and I can’t tell you how happy I am to have him as my surgeon.
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Norma Lambert MacLeod – Sep 23, 2022
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Highly recommend Dr. Agha
I must say the whole experience with Dr. Agha and his wonderful team was very welcoming and professional. Dr. Agha is definitely a master of his craft. I would recommend anyone who is interested in his work to look at his previous clients reviews and their before/after photo results which is exactly what I did prior to reaching out. I made sure that I spend many hours doing my research to make sure Dr. Agha was the right choice for me and I am so glad I did. I initially booked a consultation to meet Dr. Agha to discuss what kind of procedure that I was interested in and to get his opinion. He took the time to explain his thought process to me during the consultation and addressed my concerns. I trusted his expertise as he has been doing this for many years. I went ahead with a deposit to book a surgery date for a tummy tuck with liposuction. The whole surgery procedure was quite easy going. At first I was a bit nervous the morning of as I am sure anyone else would be but Dr. Agha's pr
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Derek – Sep 23, 2022
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Liposuction with fat transfer
After having several consultations about my procedure, liposuction with fat transfer to breasts, I decided to go with Dr. Agha. I am very pleased with my results. Dr. Agha and his whole team are awesome and very professional. Prior to my surgery they sent me pre and post instructions with videos which were very helpful. Chelsea, PA, is great and answered all questions on follow up visits and even replied to my questions on a weekend, that tells me that they really care about their patients. If you want amazing results and a professional team you must schedule a consultation with Dr. Agha.
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
M. Perea – Sep 19, 2022
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Tummy Tuck
First off, I want to say I am over the moon happy with my tummy tuck results from Doctor Agha. I want to say, no, I will not tell you what I paid for my tummy tuck except that it was worth every penny. Also, out of all the doctors I saw he was the most expense one. I am usually a very thrifty person but when it comes to major surgery, I was not going to be thrifty. I wanted the best. I am so happy with my results. I picked Doctor Agha for several reasons. These are listed in no particular order. 1.) The main reason I needed a tummy tuck was the gap in my abdominal muscles. It was so week after having three kids. He has a video describing how he sews them up on his Instagram. He also fixed a miner umbilical hernia. 2.) His hip-to-hip line for tummy tucks are so clean. It is also an internal stitch. I didn't post a picture of the line because at 4 weeks it is not fully healed. It is also very low. Other doctors I went to had wavy lines, to high and not consistent. 3.) Doctor Agha d
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
What could be improved
No results
1 other person found this helpful
Helpful
Jannelle – Sep 06, 2022
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Type 1 diabetic
Hi I am a type 1 diabetic and I'm super happy with my results with Dr.Agha and his staff. They have gone out of their way to make sure surgery was a success and at 3 weeks post op I had no complications and I'm healing very nicely. They even went as far as to switch the time to do the surgery so its at a better time for me to not have high sugars. He did a extended Tummy tuck with Muscle repair and lipo in my waist as well as lipo on my saddle bags plus outer thigh lift. I was expecting to wake up with lots of pain but my pain was a 2 put of 10. Hardly any. I'm already scheduled for my next surgery in January and l appreciate Dr.Agha and all of his staff. They all have been great with making me feel calm and they are in constant communication with me during my recovery. The pictures I'm posting were taken in the OR before and after surgery and let me tell you my scar is very thin now. Thank you Dr.Agha and staff.
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Aug 19, 2022
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About Me

care philosophy

Superior Surgical Results

Dr. Agha is best known for post-bariatric procedures specializing in Total Body Lift Surgery. He is considered an expert at Body Contouring and has developed cutting-edge techniques such as Abdominoplasty,...
read more

biography

Dr. Siamak Agha, Board Certified Plastic Surgeon, MD, PhD completed his 7 years of medical education at the prestigious University of Cambridge, England. His residency in the Plastic and Reconstructive Surgery was completed at the University of...read more
  • Cosmetic, Plastic & Reconstructive Surgery

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • Upmc - Presbyterian

    Residency Hospital
  • Cambridge University School Of Medicine

    Medical School, 1997
American Board of Medical Specialties®
American Board of Plastic Surgery®
Plastic Surgery
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

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Locations

Practice

Newport Surgical Arts LLC3701 Birch St Ste 200 Newport Beach, CA 92660
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