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.
I was pleased with the service he performed.
Aug-2025
Mark is awesome! He is energetic and always has your best interest in mind when he is discussing options with you.
Jul-2025
Mark is amazing. Always pleasant and very efficient. Thank you 🙏🏻
Jul-2025
I found him to be excellent. Very kind, very gentle and explained everything he was doing. Gave me a better understanding of my ears.
Jul-2025
He is a GREAT PROVIDER! He loved stems and constantly tries to find medication to stop my migraines!! ❤️😇❤️
Jul-2025
Love Dr. Landis, very patience and makes time to listen and explain what every is asked
Jul-2025
He explained everything to where I could understand. I appreciate that.
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.
I was pleased with the service he performed.
Mark is awesome! He is energetic and always has your best interest in mind when he is discussing options with you.
Mark is amazing. Always pleasant and very efficient. Thank you 🙏🏻
I found him to be excellent. Very kind, very gentle and explained everything he was doing. Gave me a better understanding of my ears.
He is a GREAT PROVIDER! He loved stems and constantly tries to find medication to stop my migraines!! ❤️😇❤️
Love Dr. Landis, very patience and makes time to listen and explain what every is asked
He explained everything to where I could understand. I appreciate that.
Great job. Very patient.
Quickly did what the treatment was needed.
Gave me some future hope!