Mark Landis, MSN, RN, FNP has been a practicing Registered Nurse since 1997. He achieved his Masters of Science in Nursing and became a Board Certified Family Nurse Practitioner in 2005. He has extensive experience in Cardiology and has trained under Dr. Teixido to become a Migraine Specialist, and with our other physicians to become a support provider for general ears, nose, and throat disorders.
Mark Landis, MSN, RN, FNP has been a practicing Registered Nurse since 1997. He achieved his Masters of Science in Nursing and became a Board Certified Family Nurse Practitioner in 2005. He has extensive experience in Cardiology and has trained under Dr. Teixido to become a Migraine Specialist, and with our other physicians to become a support provider for general ears, nose, and throat disorders.
The reviews listed below were collected independently of ENT & Allergy of Delaware through rater8. Each review represents an authentic and verified patient experience.
Mark is wonderful and very knowledgeable and helpful
(1 week ago)
Oct-2025
I suffered with migraines for years. I thought it was all sinus related. I finally had sinus surgery and it did nothing for my headache. Mark was my savior! I would recommend him to anyone that suspects they may have migraines. Finding Mark was truly life changing.
(1 week ago)
Oct-2025
Mark is always prompt and complete in hos explanations and recommendations
(1 week ago)
Oct-2025
He was amazing ! Got right to the point and was very informative.
(2 weeks ago)
Oct-2025
Pleasant encounter.
(2 weeks ago)
Oct-2025
Mr. Landis takes the time to explain everything in detail. Helps me make a decision about my care. He has patience and answers all my questions. Let's me know the next step. I'm so glad he is a part of my healthcare
(2 weeks ago)
Oct-2025
The best in communication skills and
He cares about the clients.
(3 weeks ago)
Oct-2025
Very pleased
(3 weeks ago)
Oct-2025
Mark is the best!!!
(1 month ago)
Oct-2025
Very good job on my ears that needed cleaning out. Appointment was on time and Mark did a great job
Mark Landis, MSN, RN, FNP has been a practicing Registered Nurse since 1997. He achieved his Masters of Science in Nursing and became a Board Certified Family Nurse Practitioner in 2005. He has extensive experience in Cardiology and has trained under Dr. Teixido to become a Migraine Specialist, and with our other physicians to become a support provider for general ears, nose, and throat disorders. He graduated with a Bachelor’s of Science in Nursing from Widener University in 1997 and went on to practice as a Registered Nurse in several clinical settings at Christiana Care Health Systems and eventually with Delaware Cardiovascular Associates. He has privileges at Christiana Care Health Systems and is a preceptor to Nurse Practitioner and Physician Assistant students. He is also a member of the American Headache Society and annually attends migraine conferences to best support his patients.
Mark is wonderful and very knowledgeable and helpful
I suffered with migraines for years. I thought it was all sinus related. I finally had sinus surgery and it did nothing for my headache. Mark was my savior! I would recommend him to anyone that suspects they may have migraines. Finding Mark was truly life changing.
Mark is always prompt and complete in hos explanations and recommendations
He was amazing ! Got right to the point and was very informative.
Pleasant encounter.
Mr. Landis takes the time to explain everything in detail. Helps me make a decision about my care. He has patience and answers all my questions. Let's me know the next step. I'm so glad he is a part of my healthcare
The best in communication skills and He cares about the clients.
Very pleased
Mark is the best!!!
Very good job on my ears that needed cleaning out. Appointment was on time and Mark did a great job