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

1,619 verified ratings

1 Location


1,619 Ratings, 636 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.
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

Apr 13, 2026
I have confidence in my health care provider. He is willing to listen to all of my concerns. Very knowledgeable and helpful. Takes time when I have questions about a health issue

Apr 13, 2026
I feel that Dr. Thomas takes time to listen to me and answer all my questions. He is very knowledgeable and patient. I would recommend him to my friends or family as a good doctor

Apr 11, 2026
Dr. Thomas asks lots of questions about my health. He listens to me and figures out what is best going forward. I trust him very much.

Apr 11, 2026
It is quick and staff friendly and doctor seemed friendly and very competent

Apr 11, 2026
We really enjoy seeing Dr Carl Thomas

Apr 11, 2026
Dr. Thomas is the best!!

Apr 11, 2026
Good job

Apr 9, 2026
My husband and I really like Dr. Thomas and his MA Daniel. Dr. Thomas always has a big heart listening to our concerns and gave us the best advice and appropriate steps and solutions to get the best treatments.

Apr 6, 2026
Always a good experience

Apr 4, 2026
Been seeing Dr. Thomas for about four years now. Best doctor I've ever had. Seems to care about the patient, knows your history, very personable, doesn't push unnecessary medications, explains everything to you. Very pleased with his service and he's a great doctor. Thank you.

Apr 4, 2026
The doctor is always friendly and attentive. I couldn't ask for anything more

Apr 3, 2026
Dr. Carl Thomas is like a trusted friend with giving us information and advice regarding medical issues. We trust him a greatly and love him!

Apr 2, 2026
Dr. Thomas is great!

Mar 29, 2026
Always a good experience.

Mar 28, 2026
To bad DR. Thomas is retiring. I really like him

Mar 23, 2026
He is my absolute favorite doctor I’ve ever had. I learn so much from him. He explains things thoroughly.

Mar 23, 2026
Dr Thomas is thorough in his questions and any that I may have and provides me with all information in moving forward with tests,results and future concerns. Glad to have him as my PCP.

Mar 22, 2026
Everyone is very nice and efficient. Thank you for being in the building.

Mar 21, 2026
He has read my chart before seeing me which made it easier to get answers.

Mar 19, 2026
Very knowledgeable doctor. My only regret is that he is getting close to retirement.

Mar 16, 2026
Dr Thomas is an awesome Doctor. I love going to him.

Mar 13, 2026
Dr Thomas was very efficient, helpful and answered all my concerns

Mar 12, 2026
I have been a patient of Dr. Thomas for several years, and really appreciate his care. He always listens to me about my health concerns. He is very knowledgeable, and takes the time to explain any issues, and, if necessary, find an appropriate remedy. On occasion, I have found it necessary to message him using MyChart, and his responses are very timely. I would definitely recommend him.

Mar 11, 2026
My dad had recently Passed and I was grieving I felt like Dr. Thomas took the time to listen to me and listen to me talk about my Dads death. Thank you so much for being so kind and patient.

Mar 7, 2026
Receptionist was great and so the doctor

Mar 7, 2026
My husband and I were pleased with our visit and care. Very good

Mar 7, 2026
Dr. Thomas and his staff are absolutely top notch. He makes you very comfortable. Follows through Immediately. Best doctor I have ever had. I would recommend him absolutely…

Mar 6, 2026
Great service

Mar 6, 2026
Keep it up

Mar 4, 2026
Dr. Thomas is awesome!!!

Mar 3, 2026
Dr. Thomas is knowledgable and kind. He ofers good advice and I trust him with my health care.

Mar 3, 2026
Carl was very pleasant and attentive. He listened to my information, looked at the issue - reassured me and wrote a referral to see an expert.

Mar 2, 2026
I think Dr. Thomas is a fine doctor. He always listens to anything I have to say and is always very helpfull.

Mar 1, 2026
Our Doctor is the best, don’t want to have any other doctor…..ever. He’s caring and kind. Most of all he’s comforting.

Feb 28, 2026
Always trust Dr. Carl Thomas! Very good!

Feb 27, 2026
Dr. Carl Thomas is the best. So patient and so caring.