Highlights
Age Groups Seen
- Adult
Languages
- English
Gender
MaleLocations
- Weston Medical Outpatient Center
- 2950 Cleveland Clinic Boulevard, Building A, Weston, FL 33331
- Get Directions
Education & Board Certifications
Education
- Undergraduate: University of Florida
- Fellowship: Hospital of the University of Pennsylvania, 1986
- Fellowship: Jackson Memorial Hospital, 1984
- Residency: University of Miami/Jackson Health System, 1983
- Internship: University of Miami/ Jackson Memorial Hospital, 1981
- Medical Education: Johns Hopkins School of Medicine, 1980
Research & Publications
See publications for this provider. (Disclaimer: This search is powered by PubMed, a service of the U.S. National Library of Medicine. PubMed is a third-party website with no affiliation with Cleveland Clinic.)
Industry Relationships
Cleveland Clinic physicians and scientists collaborate with industry to advance medical breakthroughs. These partnerships help commercialize discoveries for public benefit while maintaining scientific integrity. To ensure transparency and minimize potential bias, Cleveland Clinic reviews these relationships and publicly discloses when physicians/scientists receive significant compensation for consulting, serve in fiduciary roles, receive royalties, or hold equity interests related to their work. We manage potential conflicts through approval processes, annual reporting, and targeted management plans.
As of 2025-08-19, Dr. O'Brien has reported no financial relationship with industry that is applicable to this listing.
In general, patients should feel free to contact their doctor about any of the relationships and how the relationships are overseen by Cleveland Clinic. To learn more about Cleveland Clinic's policies on collaborations with industry and innovation management, go to our Integrity in Innovation page.
Public Health Service-Reportable Financial Conflicts of Interest. Cleveland Clinic scientists and physicians engage in basic, translational and clinical research activities, working to solve health problems, enhance patient care and improve quality of life for patients. Interactions with industry are essential to bringing the researchers' discoveries to the public, but can present the potential for conflicts of interest related to their research activities. Click here to view a listing of instances where Cleveland Clinic has identified a Public Health Service (PHS)-Reportable Financial Conflict of Interest and has put measures in place to ensure that, to the extent possible, the design, conduct and reporting of the research is free from bias.
* Cleveland Clinic physicians and scientists subscribe to the guidance presented in the PhRMA Code on Interactions with Healthcare Professionals and the AdvaMed Code of Ethics on Interactions with Health Care Professionals. As such, gifts of substantial value are generally prohibited.
Insurances Accepted
Video
Ratings & Reviews
4.9 out of 5
280 ratings, 54 reviewsThe Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
- 5 out of 5 starsReviewed on 4/2/2026
I love my doctor and his staff. They give me hope
- 5 out of 5 starsReviewed on 3/20/2026
I love Dr O''brian!! He is so patient and kind
- 5 out of 5 starsReviewed on 3/20/2026
Dr O''Brien and Stacey Hobbs are such a pleasure. They are caring and extremely thorough. There level of care is of the highest standard.
- 5 out of 5 starsReviewed on 3/10/2026
Feel that doctor really care for my health and well being. Excellent profesional and trust his knowledge .
- 5 out of 5 starsReviewed on 3/10/2026
It was a pleasant experience to visit with Dr O''Brien . He offered assurance that he will do everything to help me to restore my health. He was very pleasant but honest.
- 5 out of 5 starsReviewed on 3/2/2026
Dr. O''Brien is a consummate physician and a genuinely caring person. He spent the time required to explain my situation in detail as well as potential next steps. My visit with Dr. O''Brien made me come away with the feeling that this person deeply cares for my well-being and is extraordinarily thorough and capable.
- 5 out of 5 starsReviewed on 3/2/2026
Dr. O''Brien was very thorough.
- 5 out of 5 starsReviewed on 2/24/2026
Dr O''Brien and his fellow and his nurse were all excellent. Very thorough review of my case and proposed treatment plan.
- 5 out of 5 starsReviewed on 2/24/2026
I wish the doctor was my primary care physician. He is a true gem.
- 5 out of 5 starsReviewed on 2/24/2026
Best doctor I have ever been to in my 52 years of life. Easy to talk to made me feel comfortable. I didn''t want to leave he was extremely caring. I have been telling everyone about him for days.
- 5 out of 5 starsReviewed on 2/10/2026
1/16 Zoom appointment with Dr O'Brien went smoothly and was informative.
- 5 out of 5 starsReviewed on 2/3/2026
Awesome doctor! Very thoughtful and thorough!
- 5 out of 5 starsReviewed on 1/26/2026
Great communicator. Answered all my questions and gave me answers sense of confidence in my care with Dr. Obrian
- 5 out of 5 starsReviewed on 1/26/2026
Dr. O'Brien takes the time to really explain everything in a clear and patient way. He is very familiar and extremely thorough, which makes you feel confident and well cared for. I never feel rushed during appointments and truly appreciate his attentive approach.
- 5 out of 5 starsReviewed on 1/20/2026
Dr. O'Brien is very knowledgeable understanding and truly cares about my well-being
- 5 out of 5 starsReviewed on 1/13/2026
Both the Nurse and Dr were very helpful in answering all my questions and listening to any issues I had.
- 5 out of 5 starsReviewed on 1/13/2026
Ii like the Doctor very much.
- 5 out of 5 starsReviewed on 1/13/2026
Great doctor
- 5 out of 5 starsReviewed on 1/13/2026
Dr O'Brien, has set a course for me, that has improved my health. I feel really good. Thank you.
- 5 out of 5 starsReviewed on 12/30/2025
The doctor and member of the liver transplant team were very professional and upfront about my condition and protocols that will be necessary.
- 5 out of 5 starsReviewed on 12/23/2025
Dr O'Brien is top notch. My wife and I think he is awesome.
- 5 out of 5 starsReviewed on 11/11/2025
Drpbrein is the best dr I have seen for my condition
- 5 out of 5 starsReviewed on 11/11/2025
Iam the best care thanks to dr obrein
- 5 out of 5 starsReviewed on 11/11/2025
Dr O Brien was thorough and knowledgeable
- 5 out of 5 starsReviewed on 11/4/2025
Dr obrien is my life line love him. His nurses are so caring I feel they all have my back
- 5 out of 5 starsReviewed on 11/4/2025
Dr. O'Brien is extremely knowledgeable, with a wonderful bedside and virtual manner. He explains information in detail and an absolute delight to deal with. I am very happy with his expertise and service.
- 5 out of 5 starsReviewed on 10/28/2025
I love Dr O'Brien. He is very kind and takes the time to explain everything to you.
- 5 out of 5 starsReviewed on 10/14/2025
Dr O'Brien is top notch.
- 5 out of 5 starsReviewed on 10/14/2025
Great doctor
- 5 out of 5 starsReviewed on 9/30/2025
Dr Obrien is always exceptional
- 5 out of 5 starsReviewed on 9/23/2025
Dr OBrian has literally saved my life !!!!! My family and I will be ever grateful to him.
- 5 out of 5 starsReviewed on 9/16/2025
Again, Dr. O'Brien is absolutely fabulous
- 5 out of 5 starsReviewed on 8/12/2025
He is such a good doctor always very care with the labs and medications I love him
- 5 out of 5 starsReviewed on 8/12/2025
Dr Obrien is very patience and kind and very informative, He goes above and beyond.
- 5 out of 5 starsReviewed on 8/12/2025
I feel time was well spent with the dr and his nurse very caring
- 5 out of 5 starsReviewed on 8/5/2025
Dr obrein and his nurse Stacy helped my diagnosis very thankful I found him
- 5 out of 5 starsReviewed on 8/5/2025
Dr. OBrien was very helpful. He explained things well, and let me ask questions.
- 5 out of 5 starsReviewed on 8/5/2025
Absolutely wonderful first experience with Dr. O'Brien, as well as his nurse. They were both very knowledgeable, kind and compassionate, and answered all our questions.
- 5 out of 5 starsReviewed on 8/5/2025
Both Dr. Obrien and Amanda Pinto are wonderful. They explain things to me and show concern for my wellbeing. Both are excellent!
- 5 out of 5 starsReviewed on 7/8/2025
Dr. O'Brien is a very good doctor who respects any questions you have.
- 5 out of 5 starsReviewed on 7/8/2025
Can't imagine a more caring and careful doctor and PA than Dr. O'Brian and Stacey Hobbes.
- 5 out of 5 starsReviewed on 7/8/2025
Both the Dr & the nurse were kind & knowledgeable about my concerns did not rush me, I was very comfortable in asking questions.
- 5 out of 5 starsReviewed on 7/1/2025
Dr. O'Brien was extremely knowledgeable, courteous and concerned about my well being. He took the time to talk to me and explain everything in detail. He treated me with so much respect and answered all the questions I had and more. I am very excited to be his patient and very happy with the treatment he proposed. His bed side manners are the best. His Nurses Stacey was great and answered all the questions I had. She made me feel great and she was on top of my medication and answered my e-mail very fast. I could not be happier to have found such a great physician and nurse.
- 5 out of 5 starsReviewed on 7/1/2025
Dr O'Brien was very helpful in recommending a new medication regimen and giving me a new outlook for my health improvement.
- 5 out of 5 starsReviewed on 7/1/2025
Dr. O'Brien & Stacey are the BEST
- 5 out of 5 starsReviewed on 7/1/2025
Very good Doctor
- 5 out of 5 starsReviewed on 7/1/2025
Dr. O'Brien is very knowledgeable and communicates in a calm, clear manner describing conditions and providing easy to understand course of action.
- 5 out of 5 starsReviewed on 5/6/2025
Dr. O'Brien has tremendous bedside manners and is very professional and very thorough. I am extremely happy to be under his care and my health is progressing in a very positive manner due to his insight, knowledge and recommendations.
- 5 out of 5 starsReviewed on 5/6/2025
Stacey was also very detailed and took her time to answer all my questions. She does a great job in reviewing my records and notes and conveying all information to Dr. O'Brien.
- 5 out of 5 starsReviewed on 5/6/2025
Dr. O'Brien is caring, professional and very patient, explaining the results of the test and the options available.
- 5 out of 5 starsReviewed on 4/29/2025
Excellent doctor and great, intelligent nurse
- 5 out of 5 starsReviewed on 4/29/2025
Awesome doctor. Professional, Great personality,
- 5 out of 5 starsReviewed on 4/29/2025
Doctor and Nurse were Amazing
- 5 out of 5 starsReviewed on 4/21/2025
Dr. O'Brien was fantastic! So glad to be under his care.