Breathe better, sleep better, feel better!

Dr. Shawn Allen, MD

Dr. Shawn Allen is a leader in the diagnosis and treatment of sinus conditions, nasal breathing disorders, and the surgical management of obstructive sleep apnea when CPAP fails. Located in Houston and The Woodlands, Texas, he is a Board-Certified Otolaryngologist (ENT) with additional Fellowship training in complex sinus and nasal surgery.

Request a Consult

Board-Certified Otolaryngologist and Rhinologist

Dr. Shawn Allen exemplifies excellence in the field of Otolaryngology. He is a board-certified ENT (Otolaryngologist) and a fellowship-trained Sinus Surgeon, or Rhinologist, having completed a prestigious fellowship in Rhinology and Skull Base Surgery at the University of Miami under the mentorship of Dr. Roy Casiano. His unwavering commitment to this specialty is evident in his approach to complex sinus and nasal disorders, including chronic sinusitis, nasal obstruction, and obstructive sleep apnea. He takes pride in offering the best possible treatment to appropriate patients, never taking short-cuts, and practicing medicine the way it was intended and for the right reasons.

Dr. Allen’s passion for medicine was ignited during his academic tenure at the University of Tennessee, where he not only achieved his Bachelor of Science in Biochemistry with honors but also earned his Doctor of Medicine. His foundational medical training was further solidified during his residency in Otolaryngology at the University of Tennessee Health Science Center, which set the stage for his future achievements in sinus surgery and patient care. His surgical expertise was fine-tuned at the University of Miami, where countless numbers of patients with complex sinus and nasal pathology from all over the world seek specialized care. This experience equipped him with a unique level of comfort managing those challenging cases, allowing him to offer the best treatments tailored to the needs of every patient regardless of complexity.

Located in Houston and The Woodlands, Texas, Dr. Allen is a cornerstone of the medical community, where he collaborates closely with experts in Sleep Medicine, Neurosurgery, and other medical specialties. This multidisciplinary approach ensures comprehensive care for patients with multifaceted conditions involving the sinuses and beyond, enhancing both the quality and scope of care provided.

Dr. Allen holds the title of Diplomate of the American Board of Otolaryngology and is a proud member of the American Rhinologic Society, the American Academy of Otolaryngology, and the North American Skull Base Society. His commitment to medical education and research is demonstrated through his numerous published textbook chapters and clinical studies, as well as his regular participation as a speaker at both educational and professional conferences.

Beyond his professional pursuits, Dr. Allen is an avid hobbyist, with interests ranging from woodworking to music and video production. He is also known as Snot Doc TX on social media, where he blends education with entertainment to engage the community on topics related to sinus, nasal, and sleep-related health issues.

Dr. Allen cherishes his time outside the clinic with his wife and children, exploring new hobbies and enjoying the rich cultural and recreational opportunities that Texas has to offer. His life reflects a balance of professional dedication and personal fulfillment, making him a true asset to both his patients and the broader medical community.

Dr. Shawn Allen


  • Bachelor of Science in Biochemistry – University of Tennessee
  • Doctor of Medicine – University of Tennessee College of Medicine
  • Otolaryngology Residency – University of Tennessee Health Science Center
  • Rhinology Fellowship – University of Miami


  • American Rhinologic Society (ARS)
  • American Academy of Otolaryngology
  • North American Skull Base Society

Schedule a Consultation

Call: (713) 791-0700 or Request a Consultation Online

Dr. Shawn Allen has either authored or reviewed and approved this content.

Page Updated: