David Westly Chisum, MD
NPI 1417586991ActiveIndividual· Family Medicine· Eagle Pass, TX
Family Medicine (MD) in Eagle Pass, Texas, trained at University of Texas Medical Branch at Galveston (class of 2020). Their prescriptions cost Medicare Part D more than their services did: $236,514 for 1,273 claims, against $10,660 paid for services in 2024. Lilly USA, LLC reported $29.39 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1417586991 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 6, 2020 |
| Last updated in NPPES | Sep 26, 2023 |
| Certified by provider | Sep 26, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | U3492 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 116 across 11 procedure codes |
| Paid by Medicare | $10,660 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,273 · 2,378 30-day fills |
|---|---|
| Patients | 110 |
| Total drug cost | $236,514 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Hospital affiliation
- Fort Duncan Medical CenterEagle Pass, TX
Other facilities
- Sdq Healthcare Services LLCHome health agency · Mission, TX
Industry payments (Open Payments)
- 2025$29.39 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $29.39 | 2 |
What the 2025 payments were for
- Food and Beverage$29.39 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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