Robert J. Massingill, MD
NPI 1770587461ActiveIndividual· Internal Medicine, Hematology & Oncology· Bossier City, LA
Internal Medicine, Hematology & Oncology (MD) in Bossier City, Louisiana, trained at Louisiana State University School of Medicine in Shreveport (class of 1969). Their prescriptions cost Medicare Part D more than their services did: $367,286 for 520 claims, against $15,127 paid for services in 2024. Abbvie Inc. reported $14.23 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1770587461 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 9, 2005 |
| Last updated in NPPES | Nov 14, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 011260 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 98 |
|---|---|
| Services billed | 316 across 9 procedure codes |
| Paid by Medicare | $15,127 |
Part D prescriptions in 2024
| Prescriptions (claims) | 520 · 630 30-day fills |
|---|---|
| Patients | 82 |
| Total drug cost | $367,286 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in Shreveport |
|---|---|
| Graduation year | 1969 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
Medical group
- Christus Trinity Clinic TexasTyler, TX · 1,540 clinicians
Hospital affiliations
- Christus Shreveport-Bossier Health SystemShreveport, LA
- Willis Knighton Medical CenterShreveport, LA
Other facilities
- Christus Hospice Shreveport-BossierHospice · Shreveport, LA
Industry payments (Open Payments)
- 2025$14.23 · 1 payment from 1 company
- 2024$1,034 · 49 payments from 30 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $14.23 | 1 |
What the 2025 payments were for
- Food and Beverage$14.23 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Bossier City
- 1174615777
- 1013108141
All Internal Medicine, Hematology & Oncology providers in Louisiana →