Overall Rating

Total Reviews: 90

4.9 

1 month ago

William Mast is just AMAZING! He and his incredible staff are not only friendly, efficient and professional but VERY knowledgeable. They have a way of educating their patients for the now and our future health. Just LOVE LOVE LOVE them. A+++ and certainly ⭐️⭐️⭐️⭐️⭐️

1 month ago

Everyone was kind and explained everything well. It was a great experience.

1 month ago

Super friendly staff. Will was great. Very informative and thorough.

1 month ago

I can't say enough good things about my experience with my dermatologist and the entire office. From the moment I walked in, I was treated with kindness, respect, and genuine care. The staff was so friendly and welcoming, and my medical assistant was especially wonderful. They made me feel comfortable and at ease and were so caring and attentive throughout my visit. My dermatologist took the time to truly listen to my concerns, answer all of my questions, and explain everything in a way that I could understand. I never felt rushed or like just another patient. The compassion and personal attention I received from everyone in the office truly meant so much to me. It is clear that they genuinely care about their patients. I'm so grateful to have found such a wonderful dermatologist, medical assistant, and staff. I would highly recommend this office to anyone looking for exceptional care from people who truly make you feel valued and cared for

1 month ago

Very friendly staff!! Experience was amazing

2 months ago

Miss Sara the receptionist, took her time to answer our questions and made us very comfortable while taking our information and making an appointment with Dr. Mast. When we met Dr. Mast, he was so kind and congenial, he put us immediately at ease. He treated us like we were his family. When we left, we felt we had made new lifelong friends.

2 months ago

Everyone in this office was amazing!

4 months ago

Excellent service and very kind and compassionate Dr and staff. Dr Mast is knowledgeable, a great listener and explains everything he is doing. Highly recommend!!

4 months ago

I went in and was seen very quickly by Stephanie Davis. She was kind and professional, examining a couple moles I was nervous about. She had a very polite assistant as well(whose name i cannot recall unfortunately). Even the front desk lady was amazingly kind and everyone was welcoming. Very professional and quick. Went to the Sherman location.

6 months ago

I had an outstanding experience with Preferred Dermatology in Sherman, especially working with William Mast. From start to finish, everything was handled with professionalism, efficiency, and genuine care. William took the time to really listen, explain everything in a way that actually made sense, and made sure I felt comfortable with the plan moving forward. You can tell he truly cares about his patients and takes pride in doing things the right way, not just rushing people through. The entire staff was friendly, organized, and respectful of my time which is rare to find these days. The office runs smoothly and you feel taken care of the moment you walk in. If you are looking for a dermatology office that combines expertise with top tier service, Preferred Dermatology is the place to go. Highly recommend William Mast and his team.

7 months ago

Saw William Mast today as a new patient and I'm just THRILLED with the whole experience. He was comforting knowledgeable, warm, funny AND took care of me like a beloved family member. From the initial phone call to checking in, discussions with staff/ nurses….. the whole experience was wonderful. Highly recommend…5 million 🌟!!! A++++

7 months ago

This office & staff are great.

8 months ago

I had a great experience with this dermatology office. The doctor and staff were professional, attentive, and truly caring from start to finish. The office was welcoming and well organized, and I felt confident that I was receiving the best care possible. I highly recommend this practice to anyone looking for a knowledgeable dermatologist and a friendly, efficient team.

9 months ago

Will Mast was amazing with my girls skin concerns. Made them feel completely at ease. I will be going back myself for a skin check. Highly recommend

10 months ago

Awesome! Dr. Mast and staff are excellent!

10 months ago

Friendly, fast & helpful Highly recommend

10 months ago

Dr Mast is great very thorough and professional

10 months ago

Dr Mast and his staff are all Amazing!! He has turned my terrible thinning hair around and I couldn't be more pleased!!

10 months ago

Great experience, friendly, personable and very knowledgeable. Highly recommend.

10 months ago

Love Dr Mast

10 months ago

Dr. William Mast is welcoming and extremely knowledgeable. I will not go to anyone else.

10 months ago

I have been going to Will for a few years. He is always thorough and explains everything in an easy to understand way. The staff is always warm, kind and friendly. I highly recommend this office and staff.

10 months ago

Great team! Nice office and friendly people. Will Mast is knowledgeable and professional. I highly recommend them.

11 months ago

Fabulous experience!!!

11 months ago

Will Mast and the rest of the staff are great. They are friendly, caring, and very good at what they do. I love this dermatology office and would highly recommend them to everyone.

11 months ago

Great experience & high quality care!

11 months ago

Almost love going to the doctor! I love the staff and doctor❤️

11 months ago

Will is AMAZING with our 8 year-old on the spectrum. Our son has had a wart on his hand for almost two months and the pediatrician's office was just not cutting it. Will explained everything to our son in a very calm way, offered choices, and talked him through everything. Our son felt safe the entire time, which is huge for him with anything scary involving his body. Will is amazing at what he does and also an amazing person! We will only be using him for all of our family's dermatology needs from now on!

11 months ago

Amazing service and super friendly!!

11 months ago

Highly recommend Dr. Mast and his staff..very satisfied, nice clean office...

11 months ago

Will is absolutely the best helped in so many ways

11 months ago

Dr. Mast and his staff are absolutely wonderful. They are always on time and so very kind.

11 months ago

These guys are the best! Fast, Friendly and Efficient -

11 months ago

Employees were all friendly and helpful and was able to get in and get what I needed information and product wise immeditly !

11 months ago

Preferred Deematology Dr Mast and his office was great. Will be returning.

11 months ago

Always a good eexperience. Enjoy chatting with the doc.

11 months ago

William Mast is a great doctor! Highly recommend this office!

11 months ago

Very good pleasant from the moment I walked in the door. Will Mast was super friendly and professional!

11 months ago

The times I have been there are always a great experience!

11 months ago

Wonderful doctor and staff

11 months ago

I had an excellent experience at Preferred Dermatology in Sherman, Texas with Dr. William J. Mast. The staff is professional, friendly and very helpful making the entire visit very smooth and comfortable. Even i was late to my appointment but they took care of me. Dr. Mast is very knowledgeable, thorough and takes the time to explain conditions and treatment options in a clear and easy-to-understand way. I felt truly cared for and confident in the care I received. I highly recommend Dr. Mast and his team to anyone in need of dermatology services. Thank you to the Preferred Dermatology Team.

11 months ago

My first time seeing will mast. Went great took care of my skin issues. Would highly recommend.

11 months ago

Great experience with William Mast, he was very kind and thoughtful

11 months ago

Have been seeing William Mast for a few years now, always very professional! He's cleared up my acne, and other various issues. 10/10 recommendation!

11 months ago

Excellent bed side manner front office is amazing love our dr Mass

11 months ago

Absolutely love this place! Very welcoming and knowledgeable. The best dermatologist I've ever been to and I recommend everyone to see William Mast.

11 months ago

Great staff! The front desk was super patient with me and helped me get my account straight. The Will is focused, attentive, and listened to understand my concerns. Additionally, he made sure he addressed each concern, individually! Thank God for the Sherman Art Festival.😁

11 months ago

William Mast is the man to see for anything dermatology. He is so kind and takes time to talk to you and make you feel comfortable with your treatment. The office staff is friendly and it is so easy to get an appointment or reschedule. I made a 30 minute drive to Sherman because he is that good of a doc!

11 months ago

Will is a great doctor very thorough and courteous, I would recommend him highly.

11 months ago

Excellent to above

11 months ago

My wife & I very deeply appreciate the always kind & thorough care we receive here. We highly recommend them!!!

11 months ago

Will has become a good friend.