Diahann Marshall, M.D.
NPI 1245694231ActiveIndividual· Family Medicine· Alexandria, LA
Family Medicine (M.D.) with Villagemd of Southeast Texas PA, practicing in Alexandria, Louisiana. In 2024 Medicare paid $32,619 for 225 patients, and Part D covered 253 of their prescriptions, 84% of them generic. Amgen Inc. was the largest of 6 companies reporting payments in 2025, $262.77 in all, mostly food and beverage. Lists Houston Methodist Cypress Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1245694231 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 6, 2016 |
| Last updated in NPPES | Oct 11, 2022 |
| Certified by provider | Oct 11, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 333177 | LA |
| Family Medicine | 207Q00000X | S2838 | TX |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Family Practice (LA); Practitioner - Family Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 225 |
|---|---|
| Services billed | 777 across 54 procedure codes |
| Paid by Medicare | $32,619 |
Part D prescriptions in 2024
| Prescriptions (claims) | 253 · 526 30-day fills |
|---|---|
| Patients | 44 |
| Total drug cost | $23,425 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Villagemd of Southeast Texas PAHouston, TX · 216 clinicians
Hospital affiliations
- Houston Methodist Cypress HospitalCypress, TX
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Memorial City HospitalHouston, TX
Industry payments (Open Payments)
- 2025$262.77 · 9 payments from 6 companies
- 2024$18.10 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $152.63 | 3 |
| Dexcom, Inc. | $41.86 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $20.02 | 1 |
| Lilly USA, LLC | $19.02 | 1 |
| Exact Sciences Corporation | $18.74 | 1 |
What the 2025 payments were for
- Food and Beverage$262.77 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 82 family medicine physicians in Alexandria · All family medicine physicians in Louisiana