Ronald Wayne Killam, MD
NPI 1013960228ActiveIndividual· Internal Medicine· Houston, TX
Internal Medicine (MD) in Houston, Texas, trained at University of Texas Medical School at Houston (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $1,081,805 for 9,116 claims, against $197,493 paid for services in 2024. Exact Sciences Corporation was the largest of 4 companies reporting payments in 2025, $132.48 in all, mostly food and beverage.
Overview
| NPI | 1013960228 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 18, 2006 |
| Last updated in NPPES | Apr 21, 2025 |
| Certified by provider | Apr 21, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | H5715 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 282 |
|---|---|
| Services billed | 2,151 across 48 procedure codes |
| Paid by Medicare | $197,493 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,116 · 18,339 30-day fills |
|---|---|
| Patients | 701 |
| Total drug cost | $1,081,805 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Internal Medicine |
Hospital affiliation
- St Luke's Patients Medical CenterPasadena, TX
Other facilities
- Ipr Healthcare Systems, IncHome health agency · Houston, TX
- Harbor Hospice of Baytown LPHospice · Baytown, TX
Industry payments (Open Payments)
- 2025$132.48 · 5 payments from 4 companies
- 2024$536.00 · 27 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $63.92 | 2 |
| Abbvie Inc. | $27.02 | 1 |
| Novo Nordisk Inc | $25.48 | 1 |
| Astrazeneca Pharmaceuticals LP | $16.06 | 1 |
What the 2025 payments were for
- Food and Beverage$132.48 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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