New office location at Denton starts September 4, 2024. 

Address: 3323 Colorado Street, Suite 105, Denton, TX 76210.


Pulmonary Services

Sleep Service

Testimonials

"Dr Naj is so wonderful! He really takes the time to listen to his patients and provide personalized care. Favorite Pulmonologist of all time!!"

Dianne Rapp
Apr 14, 2024

Dr. Najmuddin is an excellent doctor and shows genuine concern for all aspects of his patient's care and well-being. He spends the time getting to know you and your health concerns and answers questions in plain English and makes sure you understand.

Richard H • April 17, 2024

Richard Hasz
Apr 17, 2024

Dr Najmuddin is an excellent clinician. Very knowledgeable with good “bedside” manners. He listens to me without my feeling rushed and truly wants to improve my pulmonary health

Claire Hardin
Apr 25, 2024