NPPES file of Aug 9, 2026

Dewey Young McWhirter, MD

Sleep Specialist (PhD) · Powell, TN

Dewey Young McWhirter, MD is a sleep specialist (phd) with a practice address in Powell, Tennessee, and NPI 1215050117, issued on Apr 8, 2007. Check the license (Tennessee MD0000043153, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215050117
Name
Dewey Young McWhirter
Credential
MD
Primary taxonomy
Sleep Specialist (PhD) 173F00000X
License numbers
MD0000043153 TN
43153 TN
054325 GA
2007-00938 NC
30216 SC
Self-reported in NPPES; status is on the state search
Practice location
7557 Dannaher Dr Ste 240, Powell, TN 37849
Phone
(865) 859-7800
Enumerated
Apr 8, 2007
Record last updated
Sep 6, 2024
Fax
(865) 859-7809
Medicare enrollment
Enrolled (PECOS I20080205000609); accepts Medicare assignment
Medical or professional school
Medical University Of South Carolina College Of Medicine, 2002
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 7557 Dannaher Dr Ste 240

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kaitlyn AlexNurse Practitioner1275409948
  2. Rebecca Crum, MSN, APRN, FNP-CSleep Medicine (Family Medicine) Physician1518894617

Verify Dewey Young McWhirter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license MD0000043153
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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56% fewer Medicare Part D claims than the average sleep specialist (phd) in 2024

414 Medicare Part D claims for 127 beneficiaries, against an average of 934 among the 5 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Dewey McWhirter414
  2. Specialty average934

Most prescribed

  1. Gabapentin104 claims
  2. Trazodone Hcl42 claims
  3. Modafinil35 claims
  4. Clonazepam34 claims
  5. Doxepin Hcl28 claims
  6. Zolpidem Tartrate26 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $506.71

18 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 2 providers of this specialty with any payment received $591.97 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dewey McWhirter$506.71
  2. Specialty average$591.97

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Tranquility Sleep Specialists PLCKnoxville, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sleep Specialist (PhD) providers in Tennessee

There are 1 sleep specialist (phd) records in Tennessee.

Common questions

What is Dewey Young McWhirter, MD's NPI number?

Dewey Young McWhirter, MD's National Provider Identifier (NPI) is 1215050117, issued on Apr 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Dewey Young McWhirter, MD located?

The NPPES record lists a practice address at 7557 Dannaher Dr Ste 240, Powell, TN, 37849. Phone: (865) 859-7800. Providers update this record themselves, so call before visiting.

How can I verify Dewey Young McWhirter, MD's license?

NPPES lists Tennessee license number MD0000043153, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Dewey Young McWhirter, MD prescribe under Medicare Part D?

In 2024, Dewey Young McWhirter, MD had 414 Medicare Part D claims for 127 beneficiaries; the average among sleep specialist (phd) prescribers was 934. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.