Dewey Young McWhirter III, MD
NPI 1215050117ActiveIndividual· Sleep Specialist, PhD· Powell, TN
Sleep Specialist, PhD (MD) in Powell, Tennessee, trained at Medical University of South Carolina College of Medicine (class of 2002). 367 Medicare patients in 2024, $37,962 paid; nearly all of their 414 Part D prescriptions were generic (94%). Axsome Therapeutics, Inc. was the largest of 6 companies reporting payments in 2025, $724.97 in all, mostly food and beverage.
Overview
| NPI | 1215050117 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 8, 2007 |
| Last updated in NPPES | Sep 6, 2024 |
| Certified by provider | Sep 6, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Sleep Specialist, PhD Primary | 173F00000X | MD0000043153 | TN |
| Psychiatry & Neurology, Neurology | 2084N0400X | 054325 | GA |
| Psychiatry & Neurology, Sleep Medicine | 2084S0012X | 2007-00938 | NC |
| Psychiatry & Neurology, Sleep Medicine | 2084S0012X | 30216 | SC |
| Psychiatry & Neurology, Sleep Medicine | 2084S0012X | 43153 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Sleep Medicine (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 367 |
|---|---|
| Services billed | 631 across 13 procedure codes |
| Paid by Medicare | $37,962 |
Part D prescriptions in 2024
| Prescriptions (claims) | 414 · 657 30-day fills |
|---|---|
| Patients | 127 |
| Total drug cost | $17,148 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Medical University of South Carolina College of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Sleep Medicine |
| Secondary specialties | Neurology |
Medical group
- Tranquility Sleep Specialists PLCKnoxville, TN · 4 clinicians
Hospital affiliations
- Lafollette Medical CenterLa Follette, TN
- Physicians Regional Medical CenterPowell, TN
Industry payments (Open Payments)
- 2025$724.97 · 26 payments from 6 companies
- 2024$606.70 · 19 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Axsome Therapeutics, Inc. | $233.23 | 11 |
| Inspire Medical Systems, Inc. | $201.22 | 5 |
| Jazz Pharmaceuticals Inc. | $120.34 | 2 |
| Avadel Cns Pharmaceuticals, LLC | $99.34 | 4 |
| Lilly USA, LLC | $49.57 | 3 |
What the 2025 payments were for
- Food and Beverage$624.98 · 25 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records