William Jeffrey Mason, MD
NPI 1467509349ActiveIndividual· Internal Medicine, Infectious Disease· Memphis, TN
Internal Medicine, Infectious Disease (MD) in Memphis, Tennessee, trained at University of Arkansas College of Medicine (class of 2003). 143 Medicare patients in 2024, $46,181 paid; nearly all of their 175 Part D prescriptions were generic (98%). Abbvie Inc. reported $150.35 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1467509349 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 4, 2007 |
| Last updated in NPPES | Jul 5, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | MD0000041126 | 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 - Infectious Disease (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 143 |
|---|---|
| Services billed | 554 across 10 procedure codes |
| Paid by Medicare | $46,181 |
Part D prescriptions in 2024
| Prescriptions (claims) | 175 · 321 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $15,417 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | University of Arkansas College of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Infectious Disease |
Medical groups
- Saint Thomas Medical PartnersNashville, TN · 590 clinicians
- Tennessee Id Physicians PCMurfreesboro, TN · 10 clinicians
Hospital affiliations
- Ascension Saint Thomas HospitalNashville, TN
- Williamson Medical CenterFranklin, TN
Industry payments (Open Payments)
- 2025$150.35 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $150.35 | 2 |
What the 2025 payments were for
- Food and Beverage$150.35 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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