Daniela Guilliam, MD
Specialties
Sleep Medicine
Education & Training
Doctor of Medicine
Daniela Guilliam, MD
Neurologist with Wellstar since 2013.
Specialties
Sleep Medicine
Education & Training
Doctor of Medicine
Office Locations
Expertise
Specialties
- Sleep Medicine
Education & Training
- Mount Sinai School of Medicine
Degree
- Doctor of Medicine
Residency
- Mount Sinai School of Medicine
Fellowship
- University of Miami/Jackson Health System
Certifications
- American Board of Psych/Neurology - Neuro
- American Board of Psych/Neurology - Sleep
Hospital Affiliations
- Wellstar Cobb Hospital
- Wellstar Douglas Hospital
- Wellstar Paulding Medical Center
- Wellstar Windy Hill Hospital
- Wellstar Kennestone Hospital
- Wellstar North Fulton Hospital
Languages spoken
- English
- Portuguese
Common Treatments, Conditions, and Procedures
- Insomnia
- Sleep Apnea Surgery
- Sleep Disorder
- Snoring
Patient Reviews
Overall patient rating
4.9Based on 160 patient ratings
- Listened to me carefully
-
- I'd recommend this practice to family and friends
-
- I'd recommend this provider to family and friends
-
- Shared the right amount of information
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- Earned my trust
-
All reviews have been submitted by patients after seeing the provider.For more information about the review system, check out this Learn more about our review system.
Patient Reviews
5
Loved Dr. Guilliam! She's very informative! The staff members are very friendly, especially the young man who checked me in.
October 3, 2026
5
Great experience. All the staff was very friendly and helpful.
October 2, 2026
5
A very quick way to complete my annual CPAP compliance.
October 1, 2026
5
Great job!
September 11, 2026
5
Everyone was welcoming and helpful. Doctor Guilliam was very kind and knowledgeable.
August 29, 2026
5
Always a pleasure to visit Dr. Guilliam and staff, they are all welcoming and pleasant.
August 22, 2026
5
Very nice experience.
August 14, 2026
5
The doctor was very kind and attentive, and treated us with great courtesy and cordiality. We were very satisfied with the care we received.
August 14, 2026
4
Great service.
July 19, 2026
5
Good service provided.
July 12, 2026
5
My experience was great with Dr. Guilliam's office. The staff were professional, excellent. I have no suggestions for improvement. Just keep up the good work. Thanks.
July 8, 2026
5
Thank you very much
July 4, 2026
5
Dr. Guilliam is amazing! She's so helpful when offering alternatives for my sleep apnea!
July 2, 2026
5
Quality service and respect.
June 26, 2026
5
Dr. Guilliam is clear and patient. She listened to my questions and explained her recommendations.
June 20, 2026
5
Awesome, professional and caring.
June 21, 2026
5
Nice staff ?
June 11, 2026
5
Always professional and courteous. Great team.
May 30, 2026
4
I hope she is very satisfied.
May 19, 2026
5
Everyone is very helpful and caring
May 16, 2026
5
It was great!
May 19, 2026
5
The doctor took the time to listen and address my concerns
May 2, 2026
5
I wish I could go to the office more often. By far the best office I attend in all of my Wellstar trips
May 2, 2026
5
My doctor was patient, knowledgeable, caring and precise. Great experience.
April 26, 2026
5
My visit was very thorough and answered all my questions and concerns
April 24, 2026
5
Everyone there was very nice professional understanding I really like it here
April 22, 2026
5
I was treated with courteously, respectfully and all my questions were answered to my satisfaction.
April 16, 2026
5
Dr. Guilliam took time to listen to my concerns and seemed genuine about helping me address them! I feel so relieved after my visit! Highly recommend!
April 16, 2026
5
Knowledgeable caring professionals.
March 29, 2026
5
Very nice and easy to talk to her about my issue. Her explanation is very easy to understand it.
March 21, 2026
5
Loved Dr. Guilliam! She's very informative! The staff members are very friendly, especially the young man who checked me in.
October 3, 2026
5
Great experience. All the staff was very friendly and helpful.
October 2, 2026
5
A very quick way to complete my annual CPAP compliance.
October 1, 2026
5
Great job!
September 11, 2026
5
Everyone was welcoming and helpful. Doctor Guilliam was very kind and knowledgeable.
August 29, 2026
5
Always a pleasure to visit Dr. Guilliam and staff, they are all welcoming and pleasant.
August 22, 2026
5
Very nice experience.
August 14, 2026
5
The doctor was very kind and attentive, and treated us with great courtesy and cordiality. We were very satisfied with the care we received.
August 14, 2026
5
Good service provided.
July 12, 2026
5
My experience was great with Dr. Guilliam's office. The staff were professional, excellent. I have no suggestions for improvement. Just keep up the good work. Thanks.
July 8, 2026
5
Thank you very much
July 4, 2026
5
Dr. Guilliam is amazing! She's so helpful when offering alternatives for my sleep apnea!
July 2, 2026
5
Quality service and respect.
June 26, 2026
5
Dr. Guilliam is clear and patient. She listened to my questions and explained her recommendations.
June 20, 2026
5
Awesome, professional and caring.
June 21, 2026
5
Nice staff ?
June 11, 2026
5
Always professional and courteous. Great team.
May 30, 2026
5
Everyone is very helpful and caring
May 16, 2026
5
It was great!
May 19, 2026
5
The doctor took the time to listen and address my concerns
May 2, 2026
5
I wish I could go to the office more often. By far the best office I attend in all of my Wellstar trips
May 2, 2026
5
My doctor was patient, knowledgeable, caring and precise. Great experience.
April 26, 2026
5
My visit was very thorough and answered all my questions and concerns
April 24, 2026
5
Everyone there was very nice professional understanding I really like it here
April 22, 2026
5
I was treated with courteously, respectfully and all my questions were answered to my satisfaction.
April 16, 2026
5
Dr. Guilliam took time to listen to my concerns and seemed genuine about helping me address them! I feel so relieved after my visit! Highly recommend!
April 16, 2026
5
Knowledgeable caring professionals.
March 29, 2026
5
Very nice and easy to talk to her about my issue. Her explanation is very easy to understand it.
March 21, 2026
4
Great service.
July 19, 2026
4
I hope she is very satisfied.
May 19, 2026
4
Great service.
July 19, 2026
4
I hope she is very satisfied.
May 19, 2026
5
Loved Dr. Guilliam! She's very informative! The staff members are very friendly, especially the young man who checked me in.
October 3, 2026
5
Great experience. All the staff was very friendly and helpful.
October 2, 2026
5
A very quick way to complete my annual CPAP compliance.
October 1, 2026
5
Great job!
September 11, 2026
5
Everyone was welcoming and helpful. Doctor Guilliam was very kind and knowledgeable.
August 29, 2026
5
Always a pleasure to visit Dr. Guilliam and staff, they are all welcoming and pleasant.
August 22, 2026
5
Very nice experience.
August 14, 2026
5
The doctor was very kind and attentive, and treated us with great courtesy and cordiality. We were very satisfied with the care we received.
August 14, 2026
5
Good service provided.
July 12, 2026
5
My experience was great with Dr. Guilliam's office. The staff were professional, excellent. I have no suggestions for improvement. Just keep up the good work. Thanks.
July 8, 2026
5
Thank you very much
July 4, 2026
5
Dr. Guilliam is amazing! She's so helpful when offering alternatives for my sleep apnea!
July 2, 2026
5
Quality service and respect.
June 26, 2026
5
Dr. Guilliam is clear and patient. She listened to my questions and explained her recommendations.
June 20, 2026
5
Awesome, professional and caring.
June 21, 2026
5
Nice staff ?
June 11, 2026
5
Always professional and courteous. Great team.
May 30, 2026
5
Everyone is very helpful and caring
May 16, 2026
5
It was great!
May 19, 2026
5
The doctor took the time to listen and address my concerns
May 2, 2026
5
I wish I could go to the office more often. By far the best office I attend in all of my Wellstar trips
May 2, 2026
5
My doctor was patient, knowledgeable, caring and precise. Great experience.
April 26, 2026
5
My visit was very thorough and answered all my questions and concerns
April 24, 2026
5
Everyone there was very nice professional understanding I really like it here
April 22, 2026
5
I was treated with courteously, respectfully and all my questions were answered to my satisfaction.
April 16, 2026
5
Dr. Guilliam took time to listen to my concerns and seemed genuine about helping me address them! I feel so relieved after my visit! Highly recommend!
April 16, 2026
5
Knowledgeable caring professionals.
March 29, 2026
5
Very nice and easy to talk to her about my issue. Her explanation is very easy to understand it.
March 21, 2026
5
Loved Dr. Guilliam! She's very informative! The staff members are very friendly, especially the young man who checked me in.
October 3, 2026
5
Great experience. All the staff was very friendly and helpful.
October 2, 2026
5
A very quick way to complete my annual CPAP compliance.
October 1, 2026
5
Great job!
September 11, 2026
5
Everyone was welcoming and helpful. Doctor Guilliam was very kind and knowledgeable.
August 29, 2026
5
Always a pleasure to visit Dr. Guilliam and staff, they are all welcoming and pleasant.
August 22, 2026
5
Very nice experience.
August 14, 2026
5
The doctor was very kind and attentive, and treated us with great courtesy and cordiality. We were very satisfied with the care we received.
August 14, 2026
4
Great service.
July 19, 2026
5
Good service provided.
July 12, 2026
5
My experience was great with Dr. Guilliam's office. The staff were professional, excellent. I have no suggestions for improvement. Just keep up the good work. Thanks.
July 8, 2026
5
Thank you very much
July 4, 2026
5
Dr. Guilliam is amazing! She's so helpful when offering alternatives for my sleep apnea!
July 2, 2026
5
Quality service and respect.
June 26, 2026
5
Awesome, professional and caring.
June 21, 2026
5
Dr. Guilliam is clear and patient. She listened to my questions and explained her recommendations.
June 20, 2026
5
Nice staff ?
June 11, 2026
5
Always professional and courteous. Great team.
May 30, 2026
4
I hope she is very satisfied.
May 19, 2026
5
It was great!
May 19, 2026
5
Everyone is very helpful and caring
May 16, 2026
5
The doctor took the time to listen and address my concerns
May 2, 2026
5
I wish I could go to the office more often. By far the best office I attend in all of my Wellstar trips
May 2, 2026
5
My doctor was patient, knowledgeable, caring and precise. Great experience.
April 26, 2026
5
My visit was very thorough and answered all my questions and concerns
April 24, 2026
5
Everyone there was very nice professional understanding I really like it here
April 22, 2026
5
I was treated with courteously, respectfully and all my questions were answered to my satisfaction.
April 16, 2026
5
Dr. Guilliam took time to listen to my concerns and seemed genuine about helping me address them! I feel so relieved after my visit! Highly recommend!
April 16, 2026
5
Knowledgeable caring professionals.
March 29, 2026
5
Very nice and easy to talk to her about my issue. Her explanation is very easy to understand it.
March 21, 2026
5
Very nice and easy to talk to her about my issue. Her explanation is very easy to understand it.
March 21, 2026
5
Knowledgeable caring professionals.
March 29, 2026
5
Dr. Guilliam took time to listen to my concerns and seemed genuine about helping me address them! I feel so relieved after my visit! Highly recommend!
April 16, 2026
5
I was treated with courteously, respectfully and all my questions were answered to my satisfaction.
April 16, 2026
5
Everyone there was very nice professional understanding I really like it here
April 22, 2026
5
My visit was very thorough and answered all my questions and concerns
April 24, 2026
5
My doctor was patient, knowledgeable, caring and precise. Great experience.
April 26, 2026
5
I wish I could go to the office more often. By far the best office I attend in all of my Wellstar trips
May 2, 2026
5
The doctor took the time to listen and address my concerns
May 2, 2026
5
Everyone is very helpful and caring
May 16, 2026
5
It was great!
May 19, 2026
4
I hope she is very satisfied.
May 19, 2026
5
Always professional and courteous. Great team.
May 30, 2026
5
Nice staff ?
June 11, 2026
5
Dr. Guilliam is clear and patient. She listened to my questions and explained her recommendations.
June 20, 2026
5
Awesome, professional and caring.
June 21, 2026
5
Quality service and respect.
June 26, 2026
5
Dr. Guilliam is amazing! She's so helpful when offering alternatives for my sleep apnea!
July 2, 2026
5
Thank you very much
July 4, 2026
5
My experience was great with Dr. Guilliam's office. The staff were professional, excellent. I have no suggestions for improvement. Just keep up the good work. Thanks.
July 8, 2026
5
Good service provided.
July 12, 2026
4
Great service.
July 19, 2026
5
The doctor was very kind and attentive, and treated us with great courtesy and cordiality. We were very satisfied with the care we received.
August 14, 2026
5
Very nice experience.
August 14, 2026
5
Always a pleasure to visit Dr. Guilliam and staff, they are all welcoming and pleasant.
August 22, 2026
5
Everyone was welcoming and helpful. Doctor Guilliam was very kind and knowledgeable.
August 29, 2026
5
Great job!
September 11, 2026
5
A very quick way to complete my annual CPAP compliance.
October 1, 2026
5
Great experience. All the staff was very friendly and helpful.
October 2, 2026
5
Loved Dr. Guilliam! She's very informative! The staff members are very friendly, especially the young man who checked me in.
October 3, 2026
Daniela Guilliam, MD
Neurologist with Wellstar since 2013
Rating
4.9
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Specialties
Sleep Medicine
Education
Doctor of Medicine
Medical School
Mount Sinai School of Medicine
Residency
Mount Sinai School of Medicine
Fellowship
University of Miami/Jackson Health System
Certifications
American Board of Psych/Neurology - Neuro American Board of Psych/Neurology - Sleep
Spoken Languages
English and Portuguese
Hospital Affiliations
Wellstar Cobb Hospital Wellstar Douglas Hospital Wellstar Paulding Medical Center Wellstar Windy Hill Hospital Wellstar Kennestone Hospital Wellstar North Fulton Hospital
Office Locations
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www.wellstar.org/physicians/daniela-guilliam-md
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