Accepting New Patients
Mark E. Hall, MD
- Rheumatology
Average rating:
5.0
Star ratings are displayed only for those physicians who participate in UCLA Health’s patient experience survey program and have received a minimum of 30 survey responses.
Westlake Village Triunfo Primary & Specialty Care
|
141 Triunfo Canyon Road, Suite 110
Westlake Village,
CA
91361
US
Languages
Education
Medical Board Certifications
Rheumatology, American Board of Internal Medicine, 2020
Internal Medicine, American Board of Internal Medicine, 2018
Fellowship
Rheumatology, University of Texas Health Science Center at San Antonio, 2020
Residency
Internal Medicine, University of Texas Health Science Center at San Antonio, 2018
Degree
MD, Texas Tech University-Paul L Foster School of Medicine, 2015
Locations
Conejo Valley
Westlake Village Triunfo Primary & Specialty Care
Westlake Village Triunfo Primary & Specialty Care
Hospital Affiliations
Ronald Reagan UCLA Medical Center
Insurance
- Aetna
- Anthem Blue Cross
- Blue Shield of California
- Centivo
- Cigna
- First Health
- Health Net of California
- Interplan (part of HealthSmart)
- Medicare Advantage
- MultiPlan
- UFCM Health System
- Prime Health Services
- Private Healthcare Systems (PHCS)
- TRICARE
- UnitedHealthcare
The list of health care plans above may not be comprehensive and could change.
Please contact your benefits coordinator or health insurance company directly to verify coverage.
Visit our health insurance information page for more details.
Reviews
Overall rating:
5.0
Star ratings are displayed only for those physicians who participate in UCLA Health’s patient experience survey program and have received a minimum of 30 survey responses.
232 total ratings |
179 reviews
5.0
November 27, 2025
Dr. Hall is a truly compassionate professional. I feel more very fortunate to have him in my life.
5.0
November 25, 2025
Great doctor who spends time learning and understanding m6 situation
5.0
November 22, 2025
Dr. Hall is very knowledgeable, conscientious, and kind. The staff is also respectful & kind. This was an excellent medical visit.
5.0
November 21, 2025
Dr. Hall is very careful to explain everything and to answer all your questions. Does not rush you at all.
5.0
November 21, 2025
Very informative
5.0
November 20, 2025
Very pleasant and informative visit. All questions answered.
5.0
November 20, 2025
Very caring and helpful
5.0
November 19, 2025
Very good
5.0
November 17, 2025
Dr. Hall is knowledgeable, thurough, and kind. He has an upbeat personality and he is very caring.
5.0
November 17, 2025
Dr Hall and his staff are knowledgeable, friendly, and professional. I always feel comfortable and confident with them.
5.0
November 13, 2025
Dr Hall is an excellent doctor. He spent the time listening to my issues and gave me a lot op constructive suggestions. He is very compassionate and understood the pain I was going through. He explained everything to me and had a very positive and cheery personality.
5.0
November 12, 2025
Dr. Mark Hall is my favorite Doctor and the best he is very detailed and concerned with patient care and wants to make sure my treatment is improving my overall health and lifestyle.
5.0
November 10, 2025
Dr Hall was thorough, kind, informative, and knowledgeable.He explained my situation and gave me a clear plan for further evaluation.
5.0
November 10, 2025
Dr Hall is very kind and gentle.
5.0
November 10, 2025
Dr. Hall is a good listener and I never feel rushed when I see him
5.0
November 8, 2025
He was very knowledgeable, an excellent listener… he worked hard to solve my problems so that I could move forward. He guided me to be able to make best medication decisions. His referrals and vast information regarding what I specifically must do to improve my bond health wS the best advising I’ve found at UCLA.
5.0
November 7, 2025
Dr Hall is always thorough, personable and professional. He takes all the time necessary.
5.0
November 6, 2025
Dr. Hall is just the best. Smart, thorough, personable, etc. I feel like he takes the time to put “all of the pieces together,” demonstrating patience and expertise.
5.0
November 6, 2025
He was very comprehensive did not rush me and seems genuinely interested in finding the condition from
5.0
November 3, 2025
Very good excellent communication skills, concerned, caring, thourough
5.0
November 3, 2025
Dr Hall is that rare doctor who is very knowledgeable and professional yet caring and friendly, too. Easy to talk to. I really enjoy his conservative approach to medicine. He’s exactly what UCLA health group needs.
5.0
November 3, 2025
Dr. Hall is a caring extremely professional physician.
5.0
October 30, 2025
Dr Hall is an excellent provider he is very smart really focuses on me and caring and knowledgeable in his field makes me feel really cared for.
5.0
October 28, 2025
Dr. Hall is awesome, very thorough and knowledgeable
5.0
October 27, 2025
During my appointment, Dr Hall spent quality time explaining (in-depth) my condition, along with treatment options. Can’t remember a doctor ever providing such detailed, yet easy to understand, information! It was refreshing to feel seen and heard. Dr Hall was wonderful!
5.0
October 22, 2025
First visit with Dr. Hall (my previous Doctor moved away). I found him to be very thorough, detailed, reflective of all aspects of my condition. He took a great deal of time to express his thoughts, as well as answer my questions.
5.0
October 22, 2025
The doctor took time out of his schedule to conduct an impromptu video visit that was well appreciated. Dr. Hall involves the patient in determining the treatment and will spend the time to explain the options.
5.0
October 21, 2025
Dr Hall is very knowledgeable and very pleasant to talk with I enjoyed my appointment
5.0
October 20, 2025
Dr Hall,is a very kind but straightforward Dr. He listens to you and answers all questions Gives time to his patients.
5.0
October 20, 2025
Great listener and cares about how I feel and making me better...
5.0
October 18, 2025
Dr. Hall is always lovely & addresses all my concerns.
5.0
October 17, 2025
Dr. Hall thoroughly evaluated and explained every aspect of my health issues being efficient, a problem solver, knowledgeable and very pleasant.
5.0
October 16, 2025
Today was a standard follow up appointment. Dr. Hall was thorough and attentive throughout our visit today. He reviewed my labwork and examined my joints and listened to my lungs and heart. He was respectful and caring.
5.0
October 15, 2025
Dr. Hall took time and care in hearing me. He offered many possible solutions to my concerns. He was friendly, knowledgeable and not rushed.
5.0
October 15, 2025
Excellent care from Dr Hall. He is very good at addressing any problems.
5.0
October 14, 2025
Itis a pleasure to meet him and he tooks really good care of me
5.0
October 13, 2025
Dr. Hall took a lot of time to discuss my health history. He is impressively detailed, asked me a lot of questions and gave me a lot of feedback. He is definitely a brainiac, but also has a good sense of humor and cares about helping his patients. I was very impressed with his bedside manner and thoroughness. UCLA is fortunate to have such a great doctor on their staff!
5.0
October 9, 2025
Dr. Hall was very thorough, informative, and pleasant.
5.0
October 8, 2025
Very thorough, professional, took time to understand all the issues and work on solutions.
5.0
October 6, 2025
Doctor Hall was pleasant and caring and informative. Looking forward to the next visit.
5.0
October 6, 2025
Dr Hall listens to my condition and explains how to remedy my illness and side effects. He is very thorough. I appreciate his care and patience with me. Thank you.
5.0
October 5, 2025
Great doctor very knowledgeable and very nice
5.0
October 3, 2025
Dr. Hall is a good listener and is very patient. He is very knowledgeable was well.
5.0
October 3, 2025
Dr. Hall listened to all my questions and explained some very detailed lab results
5.0
October 2, 2025
I have had a terrible month long rash and Dr Hall has done every test trying to figure this out. He is thorough, charming in short everything I could want in a doctor!
5.0
October 2, 2025
Dr. Hall is extremely thorough and attentive. He asks detailed questions and shows genuine care for his patients. I appreciate that he isn’t afraid to point out when something may be unhealthy or not in my best interest. He’s very knowledgeable and comprehensive, and I always feel like he sees me as a person rather than just a number.
5.0
October 1, 2025
I love my doctor!
5.0
October 1, 2025
Dr. Hall is incredibly thorough. He comes to appointments having caught up on the latest changes in my chart. His knowledge is incredible. I'm very lucky to have been switched over to him.
5.0
September 29, 2025
Very pleasant, patient and understanding. Answered a barrage of questions with detail and grace. Made me feel relaxed and informed.
5.0
September 26, 2025
I really like Dr. Hall is he knowledgeable and very caring
5.0
September 25, 2025
Dr. Hall listens to what I have to say -explains things so I understand everything. UCLA did a good job finding him. He has been on top of all my problems and without his explanation of what symptoms might occur I think I could be blind today.
5.0
September 25, 2025
It was one of the best experiences I’ve had with a doctor in years. Dr. Hall was professional, empathetic, caring and very thorough. He explained my diagnosis to me in ways my original doctor who diagnosed me did not. I am absolutely thrilled with how the visit went.
5.0
September 23, 2025
Excellent
5.0
September 23, 2025
Dr Hall is a good listener and is very thorough
5.0
September 22, 2025
Listening and answering
5.0
September 22, 2025
Very thorough
5.0
September 22, 2025
Doctor Hall is very personable. He asks good questions and explains possible source of issues. I always come out of my appointments feeling that i was heard and that I am getting the best care
5.0
September 19, 2025
Dr Hall took me at my appt time. No waiting.
5.0
September 19, 2025
He listens and always has a good plan which he informs of.
5.0
September 18, 2025
Dr. Hall spent a lot of time talking with me about osteoporosis. I left feeling knowledgeable and with my questions answered. I really appreciated his thoroughness.
5.0
September 18, 2025
Dr. Hall is my favorite rheumatologist. He genuinely shows concern and wants to make sure that my treatments are working so I can have a better quality of life. And he keeps me informed about the progress of my treatment. Thank you.
5.0
September 17, 2025
Dr Hall is very detailed, humerous when appropriate, and asks good questions.
5.0
September 15, 2025
Dr Hall was very patient and thorough
5.0
September 15, 2025
Super smart physician very nice guy. Did not rush me through the appointment and was so thorough. I’m very happy that I found him!
5.0
September 15, 2025
Appointment went very well. Dr. listened to history and concerns and communicated a thorough plan.
5.0
September 11, 2025
He explained my condition to me .he listened when I asked questions and answered them..
5.0
September 10, 2025
Excellent diagnostician and excellent communication and bedside manner!
5.0
September 10, 2025
Very thoughtful and professional
5.0
September 8, 2025
Dr. Hall in a great professional very knowledge & thorough.
5.0
September 8, 2025
Dr Hall was so knowledgeable and friendly. Really liked him! He explained everything very well.
5.0
September 5, 2025
Dr Hall is personable, addresses all issues and answers all questions throughly.
5.0
September 4, 2025
Excellent explanation with detailed descriptions of My physical situation. It help me a lot to understand. He gave me options to follow with the symptoms.
5.0
September 2, 2025
Comfortable & safe Listened to & heard Valued & respected
5.0
September 2, 2025
All my medication was reviewed and it was overall a very good experience. Doctor Hall has really taken great care of me!
5.0
August 28, 2025
Awesome doctor take time and is sincere about his patients
5.0
August 27, 2025
Professional, kind, spoke in a way I can understand, answered all my questions and explained everything. He didn’t rush our appointment.
5.0
August 22, 2025
He was a great listener. He was very kind, and helpful.
5.0
August 22, 2025
Dr was very good about explaining stuff and was prompt .
5.0
August 21, 2025
Took the time to listen and address concerns
5.0
August 21, 2025
Dr Mark Hall is terrific and super thorough
5.0
August 15, 2025
I had a great experience my doctor was very thorough explaining my test results in detail, listened to my concerns and explained my treatment plan very clearly. I feel very comfortable with Dr Hall he is very knowledgeable and he pays attention to every detail of my condition I feel very good after my visits
5.0
August 15, 2025
I love Dr Hall! He is so friendly
5.0
August 15, 2025
Dr. Hall: Went over hand, MRIs and blood test and had a positive experience again with Mr. Hall. Thanks for being a great doctor
5.0
August 14, 2025
Very informative
5.0
August 13, 2025
Listens, explains and answers all questions. Very easy to talk to.
5.0
August 13, 2025
Dr. Hall is exceptional, knowledgeable and very informative. He gave me a lot of knowledge about the medications I’m taking and what I need to do for them to be more effective. Overall, I was really impressed by my first visit with him.
5.0
August 12, 2025
Very informative
5.0
August 11, 2025
Spdnt time focusing on issue and really explained where I was at and the course of treatment and what to watch explained expect moving forward
5.0
August 11, 2025
I really like him. He listens and has informative answers to my questions.
5.0
August 11, 2025
The best, great,
5.0
August 8, 2025
Dr. Hall listens well
5.0
August 7, 2025
Dr Hall is very thorough and takes the time to explain everything.
4.0
August 5, 2025
Achieved objective
5.0
July 31, 2025
Phenomenal MD! Dr Hall. Friendly, funny, and so so very thorough. I could not believe how investigative he was in reviewing my PMH and how much he was able to deduce and inform. Like a detective. An extremely intelligent, thoughtful, caring detective. Wow!
5.0
July 30, 2025
Excellent
5.0
July 30, 2025
New doctor for me and I liked his manners very just, very informative and clear with everything.
5.0
July 29, 2025
Dr Hall is always caring and thorough
5.0
July 23, 2025
He was efficient and gave insightful information.
5.0
July 23, 2025
It has been a long time since I have a doctor that took time with me to check and understand what’s happening with me. He ordered some tests and I’m waiting for results. Very happy with the visit.i like Dr Hall a lot very professional and thorough.
5.0
July 21, 2025
Always upbeat and willing to answer all questions posed.
5.0
July 16, 2025
He is always very thorough. He explains things well.
5.0
July 15, 2025
Takes his time and explains medical concepts/issues very well. Helped to clarify a number of issues for me today.
5.0
July 14, 2025
Dr Hall is extremely thorough and explains things in detail.
5.0
July 14, 2025
Dr. Hall is thorough and excellent.
5.0
July 14, 2025
Great
5.0
July 11, 2025
He explaines everything in simple ways. Very friendly.
5.0
July 10, 2025
Very detailed and knowledgeable
5.0
July 9, 2025
He brought me in, especially to discuss my labs, and I appreciated that and so much more informed based on that. He has a plan for me and I like that.
5.0
July 9, 2025
Dr Hall listens well, is easy to talk to, answers all my questions, is proactive about my health, and never makes me feel rushed.
5.0
July 7, 2025
Patient, gave thorough and easy to understand explanations of my symptoms and conditions and what he was thinking, what the big picture concerns were and what his plan is to address them. He did not make me feel like I was slowing him down if I had something to add.
5.0
July 2, 2025
I find Dr. Hall to be incredibly knowledgeable and comprehensive. His explanations are not only quite thorough, but also presented in such a way that they easily understand. I give him 10 stars! I think he’s fabulous!
5.0
June 30, 2025
Dr Hall is super. Exceeding my expectations, he was very thorough and knowledgeable. Thank you Dr Hall
5.0
June 28, 2025
Dr Hall carefully and patiently went through my history, answered my questions and explained any concerns I had. He is very informed and has excellent bedside manners
5.0
June 25, 2025
Dr. Hall was so wonderful. He was very thorough going over everything. He explained all the possibilities of my condition. I was extremely grateful for the time he spent for my visit.
5.0
June 25, 2025
Personable, listens, professional.
5.0
June 23, 2025
The best bedside manner ever.
5.0
June 23, 2025
Dr hall is wonderful very knowledgeable great personality. Very helpful
5.0
June 19, 2025
Dr. Hall is very thorough with his explanation of test results. He’s patient and has a great bedside manner.
5.0
June 18, 2025
Great visit. Very informative
5.0
June 16, 2025
Knowledgeable, kind and attentive
5.0
June 16, 2025
Dr Hall is always on my case. Excellent Rheumatologist
5.0
June 16, 2025
Dr. Hallis fantastic, thorough explanations, friendly, caring kind!
5.0
June 13, 2025
Excellent doctor. Really listens and explains well.
4.0
June 12, 2025
Exceptionally good
5.0
June 12, 2025
Super thorough and super interesting. Felt in good hands. He listens and educates. Beat doctor!
5.0
June 10, 2025
Dr. Hall is caring, understanding and extremely knowledgeable. Office staff is exceptional including chaperons.
5.0
June 9, 2025
Thorough. Personable. Knows his stuff!
5.0
June 2, 2025
Listened, thoughtful, comprehensive, offered research into my health records and promised feedback and recommendations, if any. Overall, the level and quality of Dr Hall’sattentiveness is exemplary.
5.0
June 2, 2025
Though extremely busy took the time to explain the diagnosis and what to look for that would indicate a change in my condition.
5.0
May 29, 2025
Dr. Hall has been my rheumatologist for the last three years, he’s very professional and always gave me great advice to the point I no longer need Celebrex .
5.0
May 29, 2025
Great listener, was able to explain everything in an easy to understand language.
5.0
May 23, 2025
He is a great listener. Answers questions with clarity.
5.0
May 21, 2025
Loved Dr Hall. Very pleasant. Very thorough. Explained everything in detail. Relieved my stress
5.0
May 20, 2025
He is very friendly and takes time to cover all your issues.
5.0
May 19, 2025
Very thorough.
5.0
May 19, 2025
Great approachable mindset, easy to talk to, open to questions, knowledgeable.
5.0
May 15, 2025
Dr Hall listened to my concerns and had a very systematic approach to using past labs and doctors notes to evaluate my current condition.
5.0
May 14, 2025
Dr Hall took the time to become vested in my issues. He had many different options and thoughts for my future treatment. His easy going manner made the whole process educational, enjoyable and hopefully, beneficial 😊
5.0
May 13, 2025
He was very thorough, answered all my questions and concerns. He took his time . Very personal and understanding
5.0
May 12, 2025
Dr. Hall is kind and patient. He takes the time to make sure you understand all options in treatment planning.
5.0
May 9, 2025
Detailed knowledgeable great communication skills - ideas on cause of injury.
5.0
May 8, 2025
I appreciate his support and caring about his patients. He cares about you like family. Thanks
5.0
May 8, 2025
Dr. Hall is so compassionate and he takes the time to ask questions to be sure he is getting all of the information he needs at each appointment.
5.0
May 1, 2025
Pleasant visit Knowledgeable doctor Great bedside manners Sound decisions
5.0
May 1, 2025
Dr Hall met me with a pleasant disposition , was kind and explained himself clearly. .
5.0
April 25, 2025
Dr. Hall is thorough, patient & kind. I never feel rushed, and he addresses all my questions and concerns.
5.0
April 24, 2025
He was personable, and patient, asking questions to help build a plan to address my health issues. He took time to explain causes, and options for care.
5.0
April 17, 2025
Kind, patient, thorough, knowledgeable. Amazing Dr. Hall.
5.0
April 2, 2025
Excellent , thorough, caring and I am so glad I am in his care.
5.0
March 31, 2025
He took his time with me. He stayed with me for over an hour. Answer the question I had very comprehensive. I do like him, Dr. Hall.
5.0
March 26, 2025
Dr. Hall spent a long time with me and explained everything clearly.
5.0
March 24, 2025
It was a great experience. Super knowledgeable and thorough.
5.0
March 18, 2025
Dr. Hall wants to see the total picture not just his area to make sure that he isn't missing a piece of the puzzle that is me. He is easy to talk with and really cares about managing my health and explains all the tests and lets me know how they compare to previous tests. He involves me in decisions about my health and frequency of visits. Leaving his office I feel heard and taken care of.
5.0
March 18, 2025
He was great a very good listener asked alot of questions very thorough
5.0
March 17, 2025
Fantastic
5.0
March 13, 2025
Good
5.0
March 13, 2025
Dr Hall entered my Feedback into his computer as he interviewed me. his questions seemed to be very relevant to my Health issues; his manner was respectful, businesslike, and reflected his memory of my issues and how they have been treated. He explained options clearly and provided background information on the next steps that would be taken. There were three or four sports note that I interacted with-they all knew your jobs and did them I might be in efficiently. The doctor and staff on reflected knowledge of the subject matter in the organization.
5.0
February 26, 2025
Dr. Hall is always caring and knowledgeable. I’m a complex patient and I know management my care isn’t straightforward, but I feel confident he is providing top notch healthcare.
5.0
February 21, 2025
Dr Hall listened very closely to what I was saying about my health issues. He was very thorough. I felt he really cared about helping me in the best way possible. I highly recommend Dr Hall.
5.0
February 20, 2025
Dr. HALL was GREAT!! We had a delightful review of my latest labs and x-rays, and he laid out his recommendations for treatment and prognosis for success. He also told me what he wants me to attend to before our next appointment. I am looking forward to our doctor-patient relationship!
5.0
February 19, 2025
He was very friendly and informative
5.0
February 14, 2025
Dr Hall was really thorough with the examination, he explained everything in detail. Nursing staff were professional, and the lab technician did an excellent job.
5.0
February 13, 2025
Dr Hall is very professional and thorough.
5.0
February 10, 2025
Dr. Hall is definitely very good and I like him very much
5.0
February 8, 2025
Everyone was professional compassionate and efficient and thorough.
5.0
February 7, 2025
Good discussion and review of illness.
5.0
February 5, 2025
He was extremely personable and explanatory of everything. I really enjoyed meeting him and I’m happy to be working with him.
5.0
February 4, 2025
Dr. Hall is very precise and helpful. Very good at explaining my results. Also very personable. Thanks😊
5.0
January 30, 2025
Dr Hall for s very knowledgeable and explains things so I can understand. Also he asks what I want out of the treatment and plans next steps and why we are doing things in a certain order/way.
5.0
January 28, 2025
Dr. Hall was very meticulous and personable, also very professional. Would refer him to anyone . Thank you so much.
5.0
January 27, 2025
He genuinely cares about his job and my health. Always look forward to visiting/checkups because I know he’s got my best interest in mind.
5.0
January 23, 2025
Very thorough and explained all my test results
5.0
January 23, 2025
Dr. Hall is very engaging and is always thinking about what’s best for the patient. As a patient, I appreciate his willingness to LISTEN to the patient and involve me in determining my own treatment.
5.0
January 23, 2025
Dr Hall is the angel who lead me to better health. So detailed and analytical.
5.0
January 22, 2025
Dr. Hall is a compassionate concerned Excellent physician.
5.0
January 22, 2025
My Dr is very thorough in his treatments. I highly recommend him.
5.0
January 15, 2025
Professional and very helpful.
5.0
January 13, 2025
Dr. Hall is very thorough and patient in explaining my illnesses and lab results. He always takes the time to make sure I understand everything. I feel like I am in very good hands in his care.
5.0
January 9, 2025
Dr Hall is pleasant and easy to talk to. My favorite thing is that he is interested in my overall health, and makes sure that all aspects are being covered by my current care team, and makes recommendations for additional care as needed.