Clifford G. Williamson, MD
NPI 1154562304ActiveIndividual· Emergency Medicine· Johnson City, TN
Emergency Medicine (MD) in Johnson City, Tennessee, trained at East Tennessee State University Quillen College of Medicine (class of 2009). In 2024 Medicare paid $143,990 for 343 patients, and Part D covered 1,028 of their prescriptions, 88% of them generic. Coloplast Corp reported $19.96 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1154562304 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 18, 2009 |
| Last updated in NPPES | Apr 29, 2025 |
| Certified by provider | Apr 29, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 52142 | TN |
| Emergency Medicine | 207P00000X | 0101282637 | VA |
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 - Emergency Medicine (TN); Practitioner - General Practice (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 343 |
|---|---|
| Services billed | 2,174 across 10 procedure codes |
| Paid by Medicare | $143,990 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,028 · 1,055 30-day fills |
|---|---|
| Patients | 276 |
| Total drug cost | $42,076 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | East Tennessee State University Quillen College of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | General Practice |
| Secondary specialties | Emergency Medicine |
Medical groups
- Southeastern Physician Services PCSaint Peters, MO · 593 clinicians
- Tri-Cities Regional Emergency Physicians, PCElizabethton, TN · 123 clinicians
Hospital affiliations
- Sycamore Shoals HospitalElizabethton, TN
- Wellmont Bristol Regional Medical CenterBristol, TN
- Wellmont Holston Valley Medical CenterKingsport, TN
Other facilities
- Amedisys Home HealthHome health agency · Johnson City, TN
- Ballad Health HomecareHome health agency · Johnson City, TN
- Rehabilitation Hospital of BristolInpatient rehabilitation facility · Bristol, VA
- Rehabilitation Hospital of Kingsport, A Joint VentInpatient rehabilitation facility · Kingsport, TN
Industry payments (Open Payments)
- 2024$19.96 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Coloplast Corp | $19.96 | 1 |
What the 2024 payments were for
- Food and Beverage$19.96 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 38 emergency medicine physicians in Johnson City · All emergency medicine physicians in Tennessee