William Clay Callicott Vi, DO
NPI 1275162380ActiveIndividual· Internal Medicine, Pulmonary Disease· Knoxville, TN
Internal Medicine, Pulmonary Disease (DO) with Southeastern Physician Services PC, practicing in Knoxville, Tennessee. Part D covered 87 prescriptions written in 2024, 49% of them generic. United Therapeutics Corporation reported $50.59 in payments in 2025, mostly food and beverage. Lists Baptist Memorial Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1275162380 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 2, 2020 |
| Last updated in NPPES | Sep 28, 2026 |
| Certified by provider | Sep 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 5317 | TN |
| Internal Medicine | 207R00000X | 5317 | TN |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 5317 | 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 - Internal Medicine (TN) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 87 · 187 30-day fills |
|---|---|
| Patients | 26 |
| Total drug cost | $79,909 |
| Generic share | 49% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Southeastern Physician Services PCSaint Peters, MO · 593 clinicians
Hospital affiliations
- Baptist Memorial HospitalMemphis, TN
- Parkwest Medical CenterKnoxville, TN
Industry payments (Open Payments)
- 2025$50.59 · 2 payments from 1 company
- 2024$83.03 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| United Therapeutics Corporation | $50.59 | 2 |
What the 2025 payments were for
- Food and Beverage$50.59 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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