Thomas Donaldson Johnston Vi, M.D.
NPI 1083930473ActiveIndividual· Emergency Medicine· Louisville, KY
Emergency Medicine (M.D.) in Louisville, Kentucky, trained at University of Kentucky College of Medicine (class of 2010). 674 Medicare patients in 2024, $92,805 paid; nearly all of their 111 Part D prescriptions were generic (97%). Amgen Inc. reported $119.70 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1083930473 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 11, 2010 |
| Last updated in NPPES | Apr 8, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 46621 | KY |
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 (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 674 |
|---|---|
| Services billed | 999 across 36 procedure codes |
| Paid by Medicare | $92,805 |
Part D prescriptions in 2024
| Prescriptions (claims) | 111 · 113 30-day fills |
|---|---|
| Patients | 82 |
| Total drug cost | $1,085 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Kentucky College of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Emergency Medicine |
Medical group
- Louisville Observational Medicine Associates PSCLouisville, KY · 32 clinicians
Hospital affiliation
- Baptist Health LouisvilleLouisville, KY
Industry payments (Open Payments)
- 2024$119.70 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $119.70 | 1 |
What the 2024 payments were for
- Food and Beverage$119.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 242 emergency medicine physicians in Louisville · All emergency medicine physicians in Kentucky