Gideon P. Ewing, MD
NPI 1558418426ActiveIndividual· Internal Medicine, Hematology & Oncology· Boaz, AL
Internal Medicine, Hematology & Oncology (MD) in Boaz, Alabama, trained at University of Mississippi School of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $3,422,259 for 1,352 claims, against $56,857 paid for services in 2024. Pfizer Inc. was the largest of 37 companies reporting payments in 2025, $2,846 in all, mostly food and beverage.
Overview
| NPI | 1558418426 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 4, 2007 |
| Last updated in NPPES | Oct 3, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 31588 | AL |
| Internal Medicine, Hematology & Oncology | 207RH0003X | MD0000042600 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 293 |
|---|---|
| Services billed | 883 across 12 procedure codes |
| Paid by Medicare | $56,857 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,352 · 1,895 30-day fills |
|---|---|
| Patients | 194 |
| Total drug cost | $3,422,259 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology/Oncology |
Medical groups
- Mmc Specialty CareAlbertville, AL · 10 clinicians
- Marshall Medical Center South Medical Oncology ServicesAlbertville, AL · 4 clinicians
Hospital affiliations
- Huntsville HospitalHuntsville, AL
- Marshall Medical CentersBoaz, AL
Industry payments (Open Payments)
- 2025$2,846 · 140 payments from 37 companies
- 2024$2,688 · 152 payments from 34 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $250.60 | 13 |
| Abbvie Inc. | $249.18 | 9 |
| Merck Sharp & Dohme LLC | $245.46 | 11 |
| Novartis Pharmaceuticals Corporation | $212.47 | 12 |
| Astrazeneca Pharmaceuticals LP | $208.64 | 10 |
What the 2025 payments were for
- Food and Beverage$2,762 · 139 payments
- Education$83.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other hematologist-oncologists in Boaz
- 1659568012
- 1336409838