About Dr. Marisa Guillory
Dr. Marisa Guillory is a sleep medicine physician at East Texas Ear, Nose, & Throat in Longview, TX.
In Medicare's directory, Dr. Guillory is also listed under pediatric medicine.
Dr. Guillory graduated from University of Texas Southwestern Medical School at Dallas in 2006.
Dr. Guillory is registered in pediatric sleep medicine.
According to Medicare, Dr. Guillory accepts Medicare assignment and offers telehealth visits.
Where Dr. Guillory practices
912 Walnut Hill Drive, Longview, Texas 75605
(903) 291-6300
Clinic rated 4.8 from 1,196 Google reviews
Questions about Dr. Marisa Guillory
Where does Dr. Marisa Guillory practice?
Dr. Marisa Guillory is listed at East Texas Ear, Nose, & Throat (Longview, TX). Call the clinic to confirm before you book.
How do I make an appointment with Dr. Marisa Guillory?
Call East Texas Ear, Nose, & Throat at (903) 291-6300 and ask for Dr. Guillory. Ask whether you need a referral and whether your insurance is accepted.
What does Dr. Marisa Guillory specialize in?
Dr. Marisa Guillory specializes in sleep medicine, with pediatric medicine also listed. Sleep medicine physicians diagnose and treat conditions such as sleep apnea, insomnia, narcolepsy, and restless legs syndrome.
Does Dr. Marisa Guillory accept Medicare?
Medicare's clinician directory lists Dr. Guillory as accepting Medicare assignment, which means agreeing to the Medicare-approved amount as full payment for covered services. Confirm with the clinic before your visit.
Does Dr. Marisa Guillory offer telehealth?
Medicare's clinician directory lists Dr. Guillory as offering telehealth. Ask the clinic which visits can be done remotely; a sleep study itself usually happens at home or in a lab.
From the NPI registry (data through November 2, 2026) and Medicare's Doctors and Clinicians directory (released November 12, 2026). These are records physicians and clinics keep with the government, and they can lag behind changes. They do not show board certification. Are you Dr. Marisa Guillory, or is something here out of date? Let us know. Find a sleep doctor near you.