Murphy Remsen Mastin, MD
NPI 1588159917ActiveIndividual· Dermatology· Bolivar, MO
Dermatology (MD) in Bolivar, Missouri, trained at University of Missouri, Columbia School of Medicine (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $1,170,996 for 1,228 claims, against $90,647 paid for services in 2024. Janssen Biotech, Inc. was the largest of 17 companies reporting payments in 2025, $168,734 in all, mostly speaking and faculty fees.
Overview
| NPI | 1588159917 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 27, 2018 |
| Last updated in NPPES | Jul 8, 2025 |
| Certified by provider | Jul 8, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 2022029445 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 596 |
|---|---|
| Services billed | 3,394 across 47 procedure codes |
| Paid by Medicare | $90,647 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,228 · 1,365 30-day fills |
|---|---|
| Patients | 403 |
| Total drug cost | $1,170,996 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Missouri, Columbia School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Dermatology |
Medical groups
- Citizens Memorial HealthcareBolivar, MO · 146 clinicians
- Pioneer Dermatology LLCLees Summit, MO · 3 clinicians
Hospital affiliation
- Citizens Memorial HospitalBolivar, MO
Industry payments (Open Payments)
- 2025$168,734 · 262 payments from 17 companies
- 2024$8,162 · 146 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $103,906 | 94 |
| E.R. Squibb & Sons, L.L.C. | $48,200 | 44 |
| Leo Pharma Inc. | $13,687 | 32 |
| Novartis Pharmaceuticals Corporation | $717.35 | 17 |
| Ucb, Inc. | $456.29 | 13 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$132,937 · 38 payments
- Travel and Lodging$15,986 · 32 payments
- Consulting Fee$12,128 · 4 payments
- Food and Beverage$7,602 · 186 payments
- Education$81.65 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records