William Elwyn Lyles, MD
NPI 1750364782ActiveIndividual· Internal Medicine, Gastroenterology· Maryville, TN
Internal Medicine, Gastroenterology (MD) with Blount Memorial Physician Group Inc, practicing in Maryville, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $784,058 for 1,372 claims, against $71,510 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $35,601 in all, mostly speaking and faculty fees. Lists Blount Memorial Hospital as a hospital affiliation.
Overview
| NPI | 1750364782 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 23, 2005 |
| Last updated in NPPES | Oct 28, 2025 |
| Certified by provider | Oct 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD018716 | 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 - Gastroenterology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 336 |
|---|---|
| Services billed | 804 across 35 procedure codes |
| Paid by Medicare | $71,510 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,372 · 2,443 30-day fills |
|---|---|
| Patients | 481 |
| Total drug cost | $784,058 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Blount Memorial Physician Group IncAlcoa, TN · 252 clinicians
Hospital affiliation
- Blount Memorial HospitalMaryville, TN
Industry payments (Open Payments)
- 2025$35,601 · 180 payments from 16 companies
- 2024$53,623 · 206 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $19,737 | 71 |
| Pfizer Inc. | $8,002 | 22 |
| Phathom Pharmaceuticals, Inc. | $6,476 | 16 |
| Takeda Pharmaceuticals U.S.A., Inc. | $354.36 | 20 |
| Aimmune Therapeutics, Inc. | $250.44 | 11 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$30,470 · 13 payments
- Food and Beverage$3,406 · 160 payments
- Consulting Fee$1,200 · 1 payment
- Travel and Lodging$524.96 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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