John Thornton Foust, MD
NPI 1205834835ActiveIndividual· Internal Medicine, Hematology & Oncology· Oak Ridge, TN
Internal Medicine, Hematology & Oncology (MD) in Oak Ridge, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $3,431,315 for 925 claims, against $56,446 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 40 companies reporting payments in 2025, $4,129 in all, mostly food and beverage.
Overview
| NPI | 1205834835 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 8, 2005 |
| Last updated in NPPES | Oct 12, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | MD017405 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 367 |
|---|---|
| Services billed | 861 across 12 procedure codes |
| Paid by Medicare | $56,446 |
Part D prescriptions in 2024
| Prescriptions (claims) | 925 · 1,237 30-day fills |
|---|---|
| Patients | 207 |
| Total drug cost | $3,431,315 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- University Health System, Inc.Knoxville, TN · 522 clinicians
Hospital affiliations
- Blount Memorial HospitalMaryville, TN
- Fort Loudoun Medical CenterLenoir City, TN
- Leconte Medical CenterSevierville, TN
- Sweetwater Hospital AssociationSweetwater, TN
- University Health System, IncKnoxville, TN
Industry payments (Open Payments)
- 2025$4,129 · 215 payments from 40 companies
- 2024$4,086 · 219 payments from 37 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $450.81 | 24 |
| Janssen Biotech, Inc. | $439.70 | 22 |
| Astrazeneca Pharmaceuticals LP | $382.45 | 18 |
| Pfizer Inc. | $288.42 | 17 |
| Pharmacosmos Therapeutics Inc. | $256.02 | 15 |
What the 2025 payments were for
- Food and Beverage$4,109 · 214 payments
- Education$20.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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