Daniel Thielemann, M.D.

First Coast Cardiovascular Institute

Sleep Medicine, Cardiology

Jacksonville, Fleming

Most recent review: 2 weeks ago Recent
4.9
629 Ratings
314 Comments

Dr. Daniel Thielemann, M.D., was honored to join First Coast Cardiovascular Institute in August 2011, as the medical director of the Sleep Disorders Laboratory and clinical sleep medicine services. Dr. Thielemann was always strongly driven to academic achievement, and during his high school years in Mississippi, he was recognized as a National Merit Scholar. He subsequently graduated magna cum laude from Mississippi College with an undergraduate degree in biology, with minors in history and English.

4.9
629 Ratings
314 Comments

Dr. Daniel Thielemann, M.D., was honored to join First Coast Cardiovascular Institute in August 2011, as the medical director of the Sleep Disorders Laboratory and clinical sleep medicine services. Dr. Thielemann was always strongly driven to academic achievement, and during his high school years in Mississippi, he was recognized as a National Merit Scholar. He subsequently graduated magna cum laude from Mississippi College with an undergraduate degree in biology, with minors in history and English.

The reviews listed below were collected independently of First Coast Cardiovascular Institute through rater8. Each review represents an authentic and verified patient experience.

He explained the results and the minor changes that were going to be made. A very personable doctor.

(2 weeks ago) Jun-2026

He is the best; he has a lot of patience and is a very good doctor. I recommend him.

(2 weeks ago) Jun-2026

Very very amazing Doctor Office staff very welcoming. Dr Thielemann is the doctor that listens does not judge yet tells you whats best

(3 weeks ago) Jun-2026

He is very nice and very thorough when explaining the process!

(3 weeks ago) Jun-2026

Spends time with patient

(3 weeks ago) Jun-2026

Personable , knowledgeable & easy to talk with. Sincerely interested in solving patient issues. I look forward to a continued relationship. Highly recommend.

(3 weeks ago) Jun-2026

Brian Schul, sled driver, SR71 youtube.

(3 weeks ago) Jun-2026

He was very knowledgeable and helpful with all my questions. His staff was proactive in providing reminders and sending a text to be to let me know what my copayment would be. I thought that was very helpful.

(1 month ago) Jun-2026

Always excellent service and on time

(1 month ago) Jun-2026

As always friendly and explains any process concerning me.

(1 month ago) May-2026
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