Marshall T. Schreeder, M.D.
NPI 1083693154ActiveIndividual· Internal Medicine, Medical Oncology· Huntsville, AL
Internal Medicine, Medical Oncology (M.D.) in Huntsville, Alabama, trained at Tulane University School of Medicine (class of 1973). In 2024 Medicare paid $6,250,444 for 1,092 patients, and Part D covered 3,041 of their prescriptions, 71% of them generic. Pfizer Inc. was the largest of 29 companies reporting payments in 2025, $2,117 in all, mostly food and beverage.
Overview
| NPI | 1083693154 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 17, 2006 |
| Last updated in NPPES | Jan 27, 2023 |
| Certified by provider | Jan 27, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 9089 | AL |
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 - Hematology/Oncology (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,092 |
|---|---|
| Services billed | 303,722 across 217 procedure codes |
| Paid by Medicare | $6,250,444 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,041 · 4,378 30-day fills |
|---|---|
| Patients | 396 |
| Total drug cost | $6,985,769 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 1973 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Oncology Specialties, P.C.Huntsville, AL · 109 clinicians
Hospital affiliations
- Athens Limestone HospitalAthens, AL
- Crestwood Medical CenterHuntsville, AL
- Huntsville HospitalHuntsville, AL
- Marshall Medical CentersBoaz, AL
Industry payments (Open Payments)
- 2025$2,117 · 67 payments from 29 companies
- 2024$1,793 · 60 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $198.12 | 6 |
| Novartis Pharmaceuticals Corporation | $195.48 | 8 |
| Kite Pharma, Inc. | $164.71 | 2 |
| Genmab U.S., Inc. | $158.17 | 2 |
| Genzyme Corporation | $157.46 | 2 |
What the 2025 payments were for
- Food and Beverage$2,097 · 66 payments
- Education$20.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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