David Luke Shellenberger, M.D.

ENT (Otolaryngologist) in Dallas-Fort Worth

Practice information

Specialty: ENT (Otolaryngologist)
Location: Mansfield, TX
Texas license: M3089, active when checked

The city comes from the Texas Medical Board (checked Oct 12, 2026). We list no street address or phone until the practice details are confirmed.

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ENT videos on Best Docs Network

1:14

Strep Throat vs. Viral Sore Throat: How to Tell the Difference

Apr 24, 2026

1,356,366 views · 8,936 likes

2:22

Sinus Headache & Facial Pressure

CT Nguyen, M.D. · Oct 9, 2014

85,792 views · 320 likes

2:21

Balloon Sinuplasty and Turbinate Reduction

CT Nguyen, M.D. · Mar 20, 2013

17,608 views · 57 likes

2:21

Post Nasal Drip and Deviated Septum

CT Nguyen, M.D. · Sep 16, 2013

17,576 views · 59 likes

2:21

Balloon Sinuplasty

CT Nguyen, M.D. · Sep 20, 2012

6,910 views · 13 likes

2:21

Breathing Problems and Septoplasty

CT Nguyen, M.D. · Apr 1, 2013

3,836 views · 16 likes

ENT articles

Article

Balloon Sinuplasty for Chronic Sinus Problems: What Patients Should Know

Oct 6, 2026

How balloon sinuplasty opens blocked sinuses, who it may help, what happens during the procedure and what to ask, with ENT specialist Dr. Timothy Ragsdale.

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