Robert T. Muldoon, M.D.
NPI 1841277589ActiveIndividual· Internal Medicine, Hematology & Oncology· Hot Springs, AR
Internal Medicine, Hematology & Oncology (M.D.) in Hot Springs, Arkansas, trained at Louisiana State University School of Medicine in Shreveport (class of 1997). In 2024 Medicare paid $6,893,249 for 1,257 patients, and Part D covered 2,241 of their prescriptions, 77% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 41 companies reporting payments in 2025, $2,553 in all, mostly food and beverage.
Overview
| NPI | 1841277589 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 23, 2005 |
| Last updated in NPPES | Dec 29, 2022 |
| Certified by provider | Dec 29, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | E-2766 | AR |
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 - Hematology/Oncology (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,257 |
|---|---|
| Services billed | 368,912 across 193 procedure codes |
| Paid by Medicare | $6,893,249 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,241 · 2,700 30-day fills |
|---|---|
| Patients | 327 |
| Total drug cost | $3,944,429 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in Shreveport |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Hematology/Oncology |
Medical group
- American Oncology Partners PAFort Wayne, IN · 391 clinicians
Hospital affiliations
- Baptist Health Medical Center-ArkadelphiaArkadelphia, AR
- Chi St. Vincent Hospital Hot SpringsHot Springs, AR
- National Park Medical CenterHot Springs, AR
Industry payments (Open Payments)
- 2025$2,553 · 156 payments from 41 companies
- 2024$2,616 · 144 payments from 37 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $280.84 | 19 |
| Novartis Pharmaceuticals Corporation | $251.72 | 21 |
| Pfizer Inc. | $190.51 | 11 |
| Celgene Corporation | $170.98 | 17 |
| Exelixis Inc. | $157.36 | 8 |
What the 2025 payments were for
- Food and Beverage$2,553 · 156 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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