Douglas J. Marshall, M.D.
NPI 1477569499ActiveIndividual· Internal Medicine· Morton, IL
Internal Medicine (M.D.) in Morton, Illinois, trained at Southern Illinois University School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $751,405 for 7,031 claims, against $151,552 paid for services in 2024. Boston Scientific Corporation reported $18.15 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1477569499 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 31, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | — | IL |
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 - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 314 |
|---|---|
| Services billed | 4,475 across 53 procedure codes |
| Paid by Medicare | $151,552 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,031 · 17,141 30-day fills |
|---|---|
| Patients | 367 |
| Total drug cost | $751,405 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Southern Illinois University School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Internal Medicine |
Medical groups
- Carle Health Care IncorporatedUrbana, IL · 1,666 clinicians
- Methodist Medical Center of IllinoisPeoria, IL · 382 clinicians
- Proctor Health SystemsWashington, IL · 105 clinicians
Hospital affiliations
- Carle Health Methodist HospitalPeoria, IL
- Carle Health Pekin HospitalPekin, IL
- Carle Health Proctor HospitalPeoria, IL
- Saint Francis Medical CenterPeoria, IL
Other facilities
- Carle Home CareHome health agency · Champaign, IL
- Spoon River Home Health ServicesHome health agency · Farmington, IL
- St. Francis Medical CenterHome health agency · Peoria, IL
Industry payments (Open Payments)
- 2025$18.15 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $18.15 | 1 |
What the 2025 payments were for
- Food and Beverage$18.15 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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