Joshua Caleb Mandrell, M.D.
NPI 1770781650ActiveIndividual· Dermatology· Ruston, LA
Dermatology (M.D.) with Bayou Dermatology LLC, practicing in Ruston, Louisiana. In 2024 Medicare paid $698,311 for 1,688 patients, and Part D covered 425 of their prescriptions, 86% of them generic. Janssen Biotech, Inc. was the largest of 12 companies reporting payments in 2025, $1,172 in all, mostly food and beverage.
Overview
| NPI | 1770781650 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 3, 2007 |
| Last updated in NPPES | Jan 21, 2026 |
| Certified by provider | Jan 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | MD.204800 | LA |
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 - Dermatology (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,688 |
|---|---|
| Services billed | 11,379 across 103 procedure codes |
| Paid by Medicare | $698,311 |
Part D prescriptions in 2024
| Prescriptions (claims) | 425 · 468 30-day fills |
|---|---|
| Patients | 213 |
| Total drug cost | $276,949 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Dermatology |
Medical group
- Bayou Dermatology LLCRuston, LA · 4 clinicians
Industry payments (Open Payments)
- 2025$1,172 · 58 payments from 12 companies
- 2024$1,182 · 57 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $397.00 | 16 |
| Genzyme Corporation | $222.77 | 11 |
| Abbvie Inc. | $210.89 | 15 |
| Novartis Pharmaceuticals Corporation | $82.38 | 3 |
| Lilly USA, LLC | $82.01 | 4 |
What the 2025 payments were for
- Food and Beverage$989.94 · 55 payments
- Education$182.15 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Dermatology providers in Ruston
- 1699636571