Michael Scott Marshall, M.D.
NPI 1881668952ActiveIndividual· Internal Medicine· Cedar Hill, TX
Internal Medicine (M.D.) in Cedar Hill, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $1,826,519 for 8,735 claims, against $108,888 paid for services in 2024. Novo Nordisk Inc was the largest of 11 companies reporting payments in 2025, $346.87 in all, mostly food and beverage.
Overview
| NPI | 1881668952 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 15, 2006 |
| Last updated in NPPES | Mar 14, 2023 |
| Certified by provider | Mar 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | H0602 | TX |
| Pediatrics | 208000000X | 42970 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 248 |
|---|---|
| Services billed | 1,804 across 39 procedure codes |
| Paid by Medicare | $108,888 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,735 · 21,673 30-day fills |
|---|---|
| Patients | 958 |
| Total drug cost | $1,826,519 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- MedhealthDallas, TX · 450 clinicians
- Green Oaks Physical Therapy Limited PartnershipCarrollton, TX · 242 clinicians
Hospital affiliations
- Methodist Charlton Medical CenterDallas, TX
- Methodist Dallas Medical CenterDallas, TX
- Methodist Mansfield Medical CenterMansfield, TX
- Methodist Midlothian Medical CenterMidlothian, TX
- Methodist Richardson Medical CenterRichardson, TX
Other facilities
- Dfw Home Health ArlingtonHome health agency · Arlington, TX
Industry payments (Open Payments)
- 2025$346.87 · 18 payments from 11 companies
- 2024$324.36 · 18 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $76.12 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $50.49 | 2 |
| Astellas Pharma US Inc | $34.79 | 2 |
| Astrazeneca Pharmaceuticals LP | $34.23 | 2 |
| Lilly USA, LLC | $31.71 | 2 |
What the 2025 payments were for
- Food and Beverage$346.87 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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