About Dr. Dewey McWhirter III
Dr. Dewey McWhirter III is a sleep medicine physician at Tennova Sleep Center North in Powell, TN, and is also listed at 2 other locations.
In Medicare's directory, Dr. McWhirter is also listed under neurology.
Dr. McWhirter graduated from Medical University of South Carolina College of Medicine in 2002.
According to Medicare, Dr. McWhirter accepts Medicare assignment.
Where Dr. McWhirter practices
7557A Dannaher Drive, Suite 240, Powell, TN 37849
(865) 859-7800
Clinic rated 3.3 from 36 Google reviews
3232 Tazewell Pike, Knoxville, TN 37918
(865) 859-7800
Clinic rated 3.3 from 36 Google reviews
10800 Parkside Drive, Suite 202, Knoxville, TN 37934
(865) 218-7463
Clinic rated 4.5 from 13 Google reviews
Other sleep physicians at these clinics
Questions about Dr. Dewey McWhirter III
Where does Dr. Dewey McWhirter III practice?
Dr. Dewey McWhirter III is listed at Tennova Sleep Center North (Powell, TN), Tennova Sleep Center West (Knoxville, TN), and Tennova Sleep Center West (Knoxville, TN). Call the clinic to confirm before you book.
How do I make an appointment with Dr. Dewey McWhirter III?
Call Tennova Sleep Center North at (865) 859-7800 and ask for Dr. McWhirter. Ask whether you need a referral and whether your insurance is accepted.
What does Dr. Dewey McWhirter III specialize in?
Dr. Dewey McWhirter III specializes in sleep medicine, with neurology also listed. Sleep medicine physicians diagnose and treat conditions such as sleep apnea, insomnia, narcolepsy, and restless legs syndrome.
Does Dr. Dewey McWhirter III accept Medicare?
Medicare's clinician directory lists Dr. McWhirter 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.
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. Dewey McWhirter III, or is something here out of date? Let us know. Find a sleep doctor near you.