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.
The best in communication skills and
He cares about the clients.
(5 days ago)
Oct-2025
Very pleased
(6 days ago)
Oct-2025
Mark is the best!!!
(1 week ago)
Oct-2025
Very good job on my ears that needed cleaning out. Appointment was on time and Mark did a great job
(1 week ago)
Oct-2025
Outstanding
(1 week ago)
Oct-2025
Professional and helpful.
(2 weeks ago)
Sep-2025
Great experience !
(2 weeks ago)
Sep-2025
A pleasure to have my ears de-waxed by Mark. Always very pleasant and very careful.
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.
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
Outstanding
Professional and helpful.
Great experience !
A pleasure to have my ears de-waxed by Mark. Always very pleasant and very careful.
Mark is effective, friendly, and a good listener.
always pleasant & uplifting.