Dr. Amir-Hossein Mehran, MD, FACS

Dr. Amir-Hossein Mehran, MD, FACS

Bariatric Surgeon
227 W Janss Rd, #320, Thousand Oaks, CA
4.97
“My appointment with Dr. Mehran was very pleasant and informative. He was very knowledgeable, kind and willing to answer all of my questions. I highly recommend him to anyone looking for a dedicated and qualified surgeon!”
Matthew M.January 20, 2026
Patients often return
More patients return than other providers in the area
Highly recommended
97% of patients gave this doctor 5 stars
Excellent wait time
100% of patients waited less than 30 minutes
New patient appointments
Appointments available for new patients on Zocdoc

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Available appointments

What patients are saying

Overall rating

4.97

Average wait time

4.95

Bedside manner

4.94
“My appointment with Dr. Mehran was very pleasant and informative. He was very knowledgeable, kind and willing to answer all of my questions. I highly recommend him to anyone looking for a dedicated and qualified surgeon!”
Matthew M.January 20, 2026Video visit
“Dr. Mehran is very engaged with his patients. He listens, he asks pertinent questions about you and your case. He is very thorough and walks you through every step that needs to be taken. He really cares about his patients and you know you’re in good hands.”
Donna L.November 14, 2025

About Dr. Amir-Hossein Mehran

Please note that we are NOT a MediCal or HMO provider & we are located in the Thousand Oaks/Los Angeles area of Southern California. Please make a note of both before requesting an appointment. Dr. Mehran's practice is devoted to minimally invasive general and bariatric surgery. The name University Bariatrics reflects his initial goal of combining the integrity and values of his past academic career with a new private practice focus on serving the community around him. Dr. Mehran earned his Doctor of Medicine from Duke University. He completed residencies in surgery at the University of California, San Francisco, and in general surgery at RWJBarnabas Health. He further specialized with a fellowship in minimally invasive and bariatric surgery at Cleveland Clinic Florida. Dr. Mehran is board certified in surgery and licensed in California. He is a member of multiple surgical societies and has served as a consultant for various regulatory agencies, surgical journals, the media, and the medical industry. In recognition of his dedication and efforts, his peers have repeatedly elected him to the Southern California Super Doctors list. Dr. Mehran has contributed to over 160 publications and presentations and has mentored numerous fellows, residents, and medical students. The practice is open to new patients with Medicare and PPO insurance and is in network with nearly all area PPO/EPO plans, including Covered California BlueShield and out-of-state plans not listed on our ZocDoc profile page.

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In-network insurances

99% of patients have successfully booked with these insurances
Aetna
BlueCross BlueShield
Cigna
Medicare
UnitedHealthcare
200+ more in-network plans

Popular visit reasons

Abscess
Gallstones
Lap-Band / Gastric Banding Follow Up
Lipoma
Removal of Cyst
Soft Tissue Tumor
Surgery
Surgery Consultation
Abscess
Gallstones
Lap-Band / Gastric Banding Follow Up
Lipoma

Office location

Dr. Amir-Hossein Mehran, MD, FACS also offers online video visits for patients
University Bariatrics
227 W Janss Rd, #320, Thousand Oaks, CA 91360

Education and background

Practice names

Hospital affiliations

  • Los Robles Hospital and Medical Center
  • Saint John's Regional Medical Center
  • Thousand Oaks Surgical Hospital

Board certifications

  • American Board of Surgery

Education and training

  • Medical School - Duke University, Doctor of Medicine
  • University of California, San Francisco, Residency in Surgery
  • RWJBarnabas Health, Residency in General Surgery
  • Cleveland Clinic Florida, Fellowship in Minimally Invasive and Bariatric Surgery
  • Brown University (Bachelor’s)

Professional memberships

  • American College of Surgeons
  • Society of American Gastrointestinal and Endoscopic Surgeons
  • American Society for Metabolic and Bariatric Surgery
  • Southern California Chapter American College Of Surgeons
  • Society for Surgery of the Alimentary Tract

Awards and publications

  • Southern California Super Doctors (2010-2026)

Languages spoken

  • English
  • Farsi

Provider's gender

Male

NPI number

1154343242

Patient reviews

All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.97
Wait time
4.95
Bedside manner
4.94
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102 reviews
Most relevant
Dr Mehran's office was neat and organized. He was very thorough with explaining my options and treatments
Verified patient
I walked in, was called back by the MD and had an exam. Very knowledgeable and provided options.
Verified patient
The doctor was very nice and thorough. He explained everything in detail. I highly recommend him.
Verified patient
Excellent service, friendly personal and the doctor was direct, clear and open to answer all my questions.
Verified patient
Always excellent. Great staff of the doctor takes time to explain everything in detail.
I love Dr. Mehran, so happy I found him and trusted him to do my surgery.
Verified patientVideo visit
My Dr. Is amazing and I am grateful that I didn't trust my surgery to anyone else
You should go see Dr. Mehran. He covers everything. Answers
Verified patient
This doctor has a great bedside manner and answered all my questions
My appointment with Dr. Mehran was very pleasant and informative. He was very knowledgeable, kind and willing to answer all of my questions. I highly recommend him to anyone looking for a dedicated and qualified surgeon!
Verified patientVideo visit
Dr. Mehran is very engaged with his patients. He listens, he asks pertinent questions about you and your case. He is very thorough and walks you through every step that needs to be taken. He really cares about his patients and you know you’re in good hands.
Verified patient
Dr. Mehran is very friendly, approachable and knowledgeable. He also has the ability to explain complex procedures in ways that are easy to understand. I would highly recommend him!
Verified patient
Dr. Mehran was very clear as to the options, procedures and requirements for this operation. I would highly recommend this Dr.
Dr Mehran is professional, friendly and answered all my questions. He took all the time I needed to make sure I understood everything. He consulted other doctors when needed, and was quick to communicate with me every step of the way. I wish more doctors were like him!!
Verified patient
Dr. Mehran is an excellent doctor. He listens and is able to answer all my questions. He is up to date on the newest procedures in his field of medicine. I highly recommend him.
Verified patientVideo visit
Dr. Mehran was very friendly and personable. I arrived a little early, when inside and was meet by Dr. Mehran himself, with "hello, you must be Gary". His office personal apparently was not in yet. He took he right back into an exam room and knew what was most likely the problem. After talking with me and felling around my abdomen, he explained what was going on and gave me some options. I felt very comfortable with him and would highly recommend him to anybody.
Verified patient
Doctor Mehran is very kind and caring. He takes time to listen and answer questions. I really appreciate all he has done for me.
Great doctor. Very open and welcoming zoom visit. All my questions were answered. I am very satisfied with my choice and I look forward to going through a process with him as my dr.
Verified patientVideo visit
Very nice man and truly caring. Dr. Went to the trouble of giving me all the list of follow ups that I need. It made me feel that I’m not alone. I really appreciated his efforts
Verified patient
As someone who works in healthcare, I have been on both the patients and providers side. With that being said, I am a very good judge of providers, and hold them to the highest standard. Dr. Mehran is by far the best doctor I have ever come across his bedside manner, communication, skills, thorough assessment, genuine interest in the patient, well-being, and passion for his craft speaks volumes. If you are in need of bariatric surgery, I cannot recommend this doctor enough. Book an appointment with him and you will see firsthand everything mentioned in this review. Thank you doctor and staff for such an incredible experience!
Verified patient
He was easy to talk to and explained everything in a way that I could understand, answer all my questions appropriately. He gave me the confidence that I will be taken care of and that my needa will be met.
Verified patientVideo visit
Dr. Mehran was thorough, curious, asked pertinent questions about my medical history and current medical needs. We discussed why I was seeking his care and if surgery was needed. He was thorough and took his time with me. I appreciated that he will continue to communicate with my gastroenterologist, PCP and my ENT to assure that I am getting the best care.
Verified patient
Dr. is very informative. I felt comfortable during the appointment with him. Look forward to hopefully moving forward with the next steps with him.
Verified patient
Amazing and friendly doctor
Verified patient
Down to earth, friendly, understanding .
Verified patient
The Doctor was very helpful in providing me with other Specialty Physician Referrals that I need. He was very patient, and had a very calm and receptive manner to my many questions and concerns. He was very helpful to me and provided me with a clear direction forward to be able to get the necessary medical care that I am in need of.
Verified patientVideo visit
Great and quick and listens to patient
Verified patientVideo visit
Front office worker had an unpleasant attitude and was not helpful in answering my questions about obtaining my previous medical records that were needed for the appointment…not a very positive beginning… BUT the surgeon was great! Although he couldn’t help me, his bedside manner was appealing, he was knowledgeable, and provided thorough answers to my questions. He gave me referrals to other surgeons who he felt were more equipped to handle my issues.
Verified patient
All of my visits with Dr. Mehran have been a positive experience. he is very knowledgeable and understanding. he is one doctor that really listens, is interested in what you are saying and always answers your questions. Dr. Mehran performed my surgery and I couldn't be happier. i trust his skill and judgement completely and would highly recommend him.
Very Good
Dr. Mehran provides important information to his patients to help them make the right decision about having surgery on their own. He is very responsive when questions arise and is very supportive along the way. He spends a great deal of time explaining the entire process and makes sure the patient has had the opportunity to ask questions and feel confident about their choice. I appreciate the personal touch from him and his office throughout my surgical experience.
Before my consultation, Martha was so polite and accommodating over the phone and made an apt right away. No hassle. There was no wait time in the lobby, I was seen by the doctor promptly. Dr. Mehran was so reassuring, knowledgeable and answered all my questions without me feeling rushed, I have referred his office to several friends. Great Surgeon. I love how they run their office.
I had an exceptional experience with Dr. Mehran. I cannot say enough good things about him. He has a wonderful bedside manner, and made me and my wife very comfortable. All of my questions were answered, I never felt rushed, and he has fantastic office staff. Martha was always on top of the insurance paperwork and requirements, making the process easy for me. Highly recommend!
Health issues can be a scary roller coaster of the unknown. Dr. Mehran provided a calming, educational and encouraging environment that left me feeling relaxed and at ease. He is kind, professional and enthusiastic about his work which shows through his personal intrest and attention to detail.
Verified patient
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Frequently asked questions

How soon can I make an appointment with Dr. Amir-Hossein Mehran?

Generally, Dr. Amir-Hossein Mehran has appointments available on Zocdoc within 1 week. You can see Dr. Mehran's earliest availability on Zocdoc and make an appointment online.

Is Dr. Amir-Hossein Mehran accepting new patients?

Dr. Amir-Hossein Mehran generally accepts new patients on Zocdoc. You can see Dr. Mehran's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. Amir-Hossein Mehran accept my insurance?

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Can I make an appointment with Dr. Amir-Hossein Mehran online?

Yes, you can make an appointment online with Dr. Mehran using Zocdoc. It’s simple, secure, and free.

Which hospital is Dr. Amir-Hossein Mehran affiliated with?

Dr. Amir-Hossein Mehran is affiliated with Los Robles Hospital and Medical Center, Saint John's Regional Medical Center, and Thousand Oaks Surgical Hospital.

What practice does Dr. Amir-Hossein Mehran work with?

Where is Dr. Amir-Hossein Mehran's office located?

Dr. Amir-Hossein Mehran has 2 office locations in Thousand Oaks, view full addresses on Dr. Mehran's profile.

Which board certifications does Dr. Amir-Hossein Mehran have?

Dr. Amir-Hossein Mehran is certified by American Board of Surgery.

What are common reasons for patients to see Dr. Amir-Hossein Mehran?

Dr. Amir-Hossein Mehran frequently sees patients for Abscess, Lipoma, Removal of Cyst, Surgery, and Surgery Consultation. You can see other visit reasons for Dr. Amir-Hossein Mehran on their profile.

What languages does Dr. Amir-Hossein Mehran speak?

Dr. Amir-Hossein Mehran speaks English and Farsi.

How do patients rate Dr. Amir-Hossein Mehran in reviews?

102 patients have reviewed Dr. Amir-Hossein Mehran. The overall rating for this doctor is 4.97/5. They have a 4.94/5 rating for bedside manner and a 4.95/5 rating for wait time. You can read individual reviews and ratings on their profile.

ZocdocBariatric SurgeonsDr. Amir-Hossein Mehran, MD, FACS