ENT (ear, nose and throat) doctor office in Friendswood & League City, TX
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Clear Lake

Dr. Michael Castillo, Dr. James Grant, and Physician Assistant Jennifer Reid are our ear, nose and throat (ENT) specialists serving Friendswood & League City, TX. They are dedicated to providing you with the best possible medical care in the community where you live.

Our office is conveniently located across from Clear Lake Medical Center on the first floor of the building.

251 Medical Center Blvd, Suite 110
Webster, Texas 77598

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Monday – Thursday: 8:30am – 5pm

Friday: 8:30am – 4:30pm


Whenever we have an allergic reaction, it means our immune system is trying to protect us from what it erroneously perceives to be a threatening foreign substance. The result can be congestion, watery eyes, runny nose, sneezing, among many other symptoms. The allergy specialists at our League City & Friendswood Texas ENT Specialists office are prepared to help.

  • Environmental Allergy
  • Immune Deficiency
  • Asthma Management
  • Hives and Eczema


The sinuses sometimes become inflamed or congested, stopping the airflow and drainage of the sinus system. This can be unpleasant and painful, making it difficult to breathe and sometimes even smell and taste. At our League City & Friendswood clinic, our team of ear, nose and throat doctors can help provide lasting relief.

  • Sinus Infections
  • Loss of Sense of Taste and Smell
  • Nasal Fractures
  • Deviated Nasal Septum
  • Congestion (Nasal Blockage)
  • Nasal Drainage


Sleep is important both to tackle our day-to-day activities but also for the overall maintenance of our health and wellbeing. Bad sleep can be disastrous short-term and long-term, with the additional problem of creating problems for our partners as well. Without question, addressing sleeping disorders like snoring and sleep apnea should be a top priority. Our League City & Friendswood sleep specialists can help.

  • Snoring
  • Sleep Apnea


The ears are important not only for hearing the world around you but are also essential for maintaining balance. Issues relating to the ears include single and recurrent infections, dizziness, as well as other complicated ear disorders. Our team of ENT doctors in League City & Friendswood, TX is here to help.

  • Ear Infections
  • Dizziness
  • Complicated Ear Disorders


Audiology refers to the study of hearing. The highly experienced team of ear doctors and audiologists at the League City & Friendswood Texas ENT Specialists clinic will work tirelessly with patients experiencing pain or issues relating to hearing so as to find a lasting solution. These solutions are tailored to the specific patient, with a thorough understanding of their needs and lifestyles.

  • Hearing Loss

Head & Neck

The head and neck can give one a variety of issues that demand a quick response and detailed attention. These include thyroid masses, neck masses, salivary gland masses, and enlarged lymph nodes, to name a few. Our team of specialists at the League City & Friendswood Texas ENT Specialists office can provide a detailed analysis of the situation at hand, guiding the patient to an effective course of treatment.

  • Thyroid Masses
  • Neck Masses
  • Salivary Glands Masses
  • Head and Neck Cancers Evaluation and Treatment
  • Enlarged Lymph Nodes
  • Abnormal Parathyroid Glands
  • Chronic Tonsils and Adenoid Infections

Voice & Swallowing

Our ability to speak and to swallow is so rudimentary in our daily lives that we can take them for granted. When a certain condition gets in the way, it can prove painful and difficult to get on with the day without struggling. Vocal issues, in addition to swallowing difficulties, include polyps, tremors, hoarseness, and tumors, among other things. Our specialists at our League City & Friendswood office can help.

  • Vocal Cord Tumors
  • Vocal Tremors and Spasms
  • Acid Reflux
  • Hoarseness
  • Difficulty Swallowing
  • Vocal Cord Nodules and Polyps

Facial Plastics

Facial plastic surgery has numerous benefits for patients across League City & Friendswood. It can help you look and feel more like your younger self, refine certain elements of your features you are unsatisfied with, and improve facial function, including the ability to breathe through the nose. Our Texas ENT Specialist surgeons are highly-trained in facial plastic surgery and can walk you through your options during a consultation.

  • Facial Skin Laxity
  • Drooping or Sagging Eyelids
  • Excess Facial Skin
  • Wrinkles of the Face or Neck
  • Uneven Nose
  • Oversized Ears
  • Undefined or Overdefined Chin


Allergies can be bothersome and painful, inhibiting the full enjoyment of activities both inside and out. Our specialists offer a wide variety of tests to determine the source of the allergies, as well as comprehensive treatments to help address them. These treatments, available at our League City & Friendswood office, include allergy shots, drops, and biologic therapy.


Chronic infections and pain can be an obstacle in daily life. Our specialists at the League City & Friendswood Texas ENT Specialists office can work with you to find a solution through a variety of treatments, such as nasal CT imaging, nasal turbinate reduction, and balloon sinuplasty, among others. Contact our office today to receive more information or schedule an appointment.


Finding a solution is easier than ever with our team of sleep specialists at the League City & Friendswood Texas ENT Specialists office. Our providers will work with you to diagnose the source of your problem and provide a solution that yields lasting relief, including CPAP machines, sleep apnea surgery, and more. Contact us today to schedule an appointment.


Our specialists offer a variety of treatments to provide patients with care of the utmost quality and seek to provide solutions that provide long-term relief. Our treatments include balance testing, ear hygiene and wax removal, as well as surgical interventions, to name a few. Contact our office for more information or to schedule an appointment.

  • Ear Tubes
  • Ear Hygiene and Wax Removal
  • Repair of Eardrum Perforation
  • Balance Testing
  • Surgery for Chronic Ear Infections


The experts at our League City & Friendswood clinic look into the nature of the patient's hearing loss, as well as assess the severity of the issue at hand. This is the first course of action, which in turn results in the course of treatment that is most effective. Some of these include testing, cochlear implants, surgery, and hearing aids, to name a few.

  • Surgery to Repair Hearing
  • Hearing Aids
  • Hearing Aids Programming and Maintenance
  • Hearing Testing
  • Cochlear Implants

Head & Neck

Treating these issues is important, and should be addressed through the hands of capable experts such as the doctors in our League City & Friendswood ENT clinic. These are specialists who can provide diagnoses with treatments that bring about the best possible results. The treatments include endoscopic inspections, thyroid, and parathyroid surgery, head and neck cancer evaluation and surgery, to name a few. Call our office to schedule an appointment.

  • Thyroid Surgery
  • Parathyroid Surgery
  • Endoscopic Inspection of the Throat and Voice Box
  • Salivary Gland Surgery
  • Tonsillectomy
  • Adenoidectomy
  • Head and Neck Cancer Evaluation and Surgery

Voice & Swallowing

The team of ear, nose and throat doctors at our League City & Friendswood Texas ENT Specialists clinic offer a variety of treatments for voice and swallowing, such as acid reflux testing, swallowing therapy, and speech therapy, to name a few. Whatever the issue, our providers are ready to tackle the issue head-on and find a way to provide you with lasting relief.

  • Vocal Cord and Voice Examination
  • Swallowing Therapy
  • Speech Therapy
  • Acid Reflux Testing

Facial Plastics

Our League City & Friendswood office is proud to offer a range of cosmetic surgical and non-surgical procedures. These can help address common signs of aging and help enhance certain areas of the face. Our surgeons perform facelifts and neck lift to help eliminate sagging skin, helping patients look younger and more supple. Our surgeons provide a host of other treatments, each designed to enhance certain facial features.

  • Facelift
  • Mini Facelift
  • Fat Transfer
  • Brow Lift
  • Blepharoplasty
  • Cheek Augmentation
  • Chin Augmentation
  • Neck Lift
  • Rhinoplasty
  • Otoplasty
  • Lip Lift


Dr. Castillo has been testing me for almost a decade now for vertigo and allergies.

by Q.N

He always listens with compassion and explains all treatment options. He has never rushed through an appointment like so many other doctors. If you are looking for an excellent ENT doctor, Michael Castillo is phenomenal.

Dr. Grant is the best doctor I have ever been to in my lifetime.

by J.D

He is extremely professional, thorough, and COMPASSIONATE, which means ALOT. I tell my friends and family if they need an ENT doctor go see Dr. Grant. I can't thank him enough for his excellent care.

I have been a long time patient with Doctor Reid.

by F.

I love her and she is a great doctor. Very knowledgeable. Everyone in the office are very friendly, helpful, and it is clean. Don’t wait long to see the doctor or to get a appointment.

Con 15 ubicaciones convenientes en el área metropolitana de Houston, nunca estamos lejos.

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