Dr. Carl F. Thomas, MD

Family Medicine

1525 N Los Altos

Sparks, NV 89436 Directions

(775) 982-5000

www.renown.org

4.9 out of 5

1,704 verified ratings

1 Location


1,704 Ratings, 672 Comments


The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy.
Jul 4, 2026
Dr. Thomas has been a big help to me in several very important decisions. I trust him completely and am thankful for him. And the whole Renown Isystem.

Jul 1, 2026
Dr. Thomas always listens to concerns and offers good solutions. I don't feel rushed or unimportant. I trust his care.

Jun 29, 2026
I'm very satisfied with Dr. Thomas as my primary care provider. I only hope that we will be able to continue to see him under our health insurance plan with the changes that will be coming after the first of the year.

Jun 29, 2026
Doctor Carl Thomas, my primary, always takes the time to talk with me and listen to my medical concerns! I am so grateful for him!!!

Jun 26, 2026
All good ❗️

Jun 25, 2026
Nothing else. Im happy there! Good Dr Thomas ?

Jun 19, 2026
Dr Thomas III is the best

Jun 19, 2026
Dr Carl Thomas is very caring and compassionate and he’s not like other provider that’s seem to be in hurry to finish the office visit. He listened explained the lab results thoroughly and has the best advice on how to get it better. We are so confident that he’s a Primary Care Physician and we appreciate him so much and we feel safe.

Jun 18, 2026
Very good all the way around!

Jun 18, 2026
Dr. Thomas is amazing he is one of the best doctors I’ve ever met. I hope that he doesn’t retire any time soon.

Jun 15, 2026
Always a good experience.

Jun 12, 2026
Enjoyed my appointment with Dr Thomas

Jun 11, 2026
Dr. Thomas answered all my questions and concerns! Great Doctor!

Jun 11, 2026
Dr.Carl Thomas, and his assistant were very kind, courteous, and knowledgeable. I had a wonderful first visit.

Jun 8, 2026
Dr Thomas is always attentive, he is kind and really cares .

Jun 6, 2026
I will be sorry to see Dr. Thomas retire.

Jun 6, 2026
Dr. Thomas is one of the most knowledgeable physicians anywhere. His positive, friendly, approachable demeanor places him miles above the rest. My family is most appreciative of his service to this community.

Jun 6, 2026
Dr. Carl Thomas is so easy to talk to, explains all areas of care and receptive of any questions. I trust his judgment and am thankful he is my Primary Care Physician.

Jun 6, 2026
Dr Thomas gave a plan that I can support hope it works as the light headiness as been ongoing for way to long

Jun 6, 2026
Very good Dr Thomas helped me with what I needed.

Jun 5, 2026
Always good care.

Jun 5, 2026
Very friendly and professional in and out quickly enjoy the appointment

Jun 4, 2026
very good

Jun 3, 2026
Dr. Thomas is the best. He makes you feel like an old friend.

May 26, 2026
Very efficient

May 25, 2026
Dr. Thomas is a great Doctor. He listens and understands and is very compassionate. I hope he is with Renown a very long time.

May 22, 2026
Excellent

May 20, 2026
Dr. Thomas was very friendly and very professional

May 19, 2026
Great Staff, front desk customer service were a lot of fun

May 18, 2026
Dr. Thomas is a good listener and always provides good answers.

May 18, 2026
I was pleased when we were discussing medical options when he said that I couldn’t take a lot of the medications because of my CKD. That was something that I didn’t even think about and thankfully he did!

May 18, 2026
Dr Carl Thomas is on top of my treatment plan and always listens to my thoughts and answers as needed.

May 16, 2026
It was awesome

May 14, 2026
Everyone, from the Patient Access Rep, the Medical Assistant, to Dr. Thomas were amazing!

May 12, 2026
Nothing except that Dr. Carl Thomas is a wonderful primary care doctor! You are SO fortunate to have him!! Please don’t let him leave Renown or Kaiser!!!!!

May 12, 2026
I just want you to know how impressed I was with Dr. Carl Thomas. He was a very good doctor and made me feel very comfortable and I might end up changing from one doctor to the other. So I was very impressed by him. Thank you.

May 8, 2026
Dr. Thomas was attentive, kind and professional.

May 8, 2026
I rely on Dr Thomas for professional assessment of my overall health.

May 2, 2026
Dr. Carl Thomas is so easy to talk to,

Apr 30, 2026
Dr. Carl Thomas is an excellent doctor.

Apr 28, 2026
Dr Thomas is a caring and professional doctor.

Apr 27, 2026
Dr. Thomas has a great bed side manner, and he stays up to date on his patients and their health care. He gives great feedback and provides positive input to my questions. Thank you

Apr 25, 2026
Very Professional

Apr 25, 2026
Great

Apr 24, 2026
Check in personnel greet and start talking to you when you first enter the entrance. Not aware of who they’re talking to and can’t understand them behind the mask. Give a patient time to get in the door before addressing them.

Apr 24, 2026
Dr. Karl Thomas has been fabulous and a big help in my health and counseling me on serious medical decisions. I trust him completely.

Apr 23, 2026
I feel DR Thomas took time to listen to my issues and was up todate in my condition. We developed a plan to move forward and feel better on a positive outcome.

Apr 18, 2026
Dr. Thomas is an excellent physician.

Apr 17, 2026
Dr. Carl Thomas is caring, listens and is always professional.

Apr 16, 2026
Great service Fast and informative