Barrett A. Johnston, M.D.
NPI 1962602250ActiveIndividual· Anesthesiology, Pain Medicine· Baton Rouge, LA
Anesthesiology, Pain Medicine (M.D.) with Interventional Pain Institute LLC, practicing in Baton Rouge, Louisiana. Their prescriptions cost Medicare Part D more than their services did: $364,639 for 6,517 claims, against $160,406 paid for services in 2024. Medtronic, Inc. was the largest of 17 companies reporting payments in 2025, $2,350 in all, mostly food and beverage. Lists Baton Rouge General Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1962602250 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 24, 2007 |
| Last updated in NPPES | Jul 17, 2026 |
| Certified by provider | Jul 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology, Pain Medicine Primary | 207LP2900X | 204474 | LA |
| Anesthesiology | 207L00000X | 231723 | MA |
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 - Interventional Pain Management (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 252 |
|---|---|
| Services billed | 2,962 across 70 procedure codes |
| Paid by Medicare | $160,406 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,517 · 7,014 30-day fills |
|---|---|
| Patients | 613 |
| Total drug cost | $364,639 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Interventional Pain Management |
| Secondary specialties | Anesthesiology, Pain Management |
Medical group
- Interventional Pain Institute LLCBaton Rouge, LA · 2 clinicians
Hospital affiliations
- Baton Rouge General Medical CenterBaton Rouge, LA
- Our Lady of the Lake Regional Medical CenterBaton Rouge, LA
Industry payments (Open Payments)
- 2025$2,350 · 83 payments from 17 companies
- 2024$1,565 · 84 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $345.50 | 4 |
| Saluda Medical Americas, Inc. | $291.44 | 9 |
| Abbott Laboratories | $274.35 | 19 |
| Biotronik Nro, Inc. | $256.21 | 5 |
| Stryker Corporation | $201.75 | 2 |
What the 2025 payments were for
- Food and Beverage$2,350 · 83 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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