Physician Profile
Dewey Y. McWhirter, MD is a healthcare provider in Powell, TN specializing in sleep medicine. Dewey trained at Medical University of South Carolina College of Medicine, graduating in 2002. Dewey is also listed as specializing in neurology and sleep medicine (neurology). Medicare claims data shows Dewey provided 600 services to 556 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, sleep study in sleep lab with continuous airway pressure (6 years or older), and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
7557 DANNAHER DR STE 240
Powell, TN 37849
10800 Parkside Dr Ste 202
Knoxville, TN 37934
Within Sleep Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Breathing disruption
Circadian rhythm
Daytime alertness
Excessive sleepiness
General sleep
General symptoms
Hormonal sleep
Insomnia & anxiety
Movement disorders
Neurological sleep
Parasomnia
Parasomnias
Pediatric sleep
Sleep breathing
Sleep disruption
Sleep movement
Sleep quality
Sleep timing
Most searched procedures
Behavioral therapy
Circadian therapy
Consultation
CPAP & positive airway pressure
Device management
Devices
Diagnostic testing
Diagnostics
Evaluations
Lifestyle & devices
Medical management
Oral appliances
Respiratory care
Snoring & airway
Surgery
Surgical & implants
Therapy
600 services · 556 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
65 | More often than most peers in SLEEP MEDICINE |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
61 | More often than most peers in SLEEP MEDICINE |
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
53 | More often than most peers in SLEEP MEDICINE |
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
42 | More often than most peers in SLEEP MEDICINE |
| Sleep study including heart rate, breathing, airflow, and effort | Treatment | 95806 |
19 | Less often than most peers in SLEEP MEDICINE |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
99 | More often than most peers in SLEEP MEDICINE |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
64 | More often than most peers in SLEEP MEDICINE |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
45 | As often as other peers in SLEEP MEDICINE |
| Physician documentation of face-to-face visit for durable medical equipment determination performed by nurse practitioner, physician assistant or clinical nurse specialist | Billing code | G0454 |
41 | Too few peers to compare |
| Physician documentation of face-to-face visit for durable medical equipment determination performed by nurse practitioner, physician assistant or clinical nurse specialist | Billing code | G0454 |
37 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. McWhirter is a sleep medicine in Powell, TN. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. McWhirter is listed at 7557 Dannaher Dr Ste 240, Powell, TN 37849. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (865) 859-7800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. McWhirter's National Provider Identifier is 1215050117. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. McWhirter attended Medical University of South Carolina College of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
Dr. McWhirter has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. McWhirter provides treatments such as sleep study in sleep lab with continuous airway pressure and sleep study in sleep lab, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. McWhirter. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.