John Raymond Ernst, PA-C
NPI 1134470388ActiveIndividual· Physician Assistant· Killeen, TX
Physician Assistant (PA-C) in Killeen, Texas, licensed in TX, with an NPI issued in September 2012. Their prescriptions cost Medicare Part D more than their services did: $71,816 for 152 claims, against $1,338 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 9 companies reporting payments in 2025, $901.23 in all, mostly food and beverage.
Overview
| NPI | 1134470388 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 27, 2012 |
| Last updated in NPPES | Dec 28, 2023 |
| Certified by provider | Dec 28, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 1108109 | 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 - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 55 |
|---|---|
| Services billed | 207 across 7 procedure codes |
| Paid by Medicare | $1,338 |
Part D prescriptions in 2024
| Prescriptions (claims) | 152 · 239 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $71,816 |
| Generic share | 63% of claims |
Industry payments (Open Payments)
- 2025$901.23 · 40 payments from 9 companies
- 2024$711.25 · 35 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $304.87 | 19 |
| Genzyme Corporation | $152.84 | 5 |
| Sanofi-Aventis U.S. LLC | $97.99 | 1 |
| Verona Pharma, Inc. | $91.62 | 4 |
| Ionis Pharmaceuticals, Inc. | $71.58 | 3 |
What the 2025 payments were for
- Food and Beverage$803.24 · 39 payments
- Education$97.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Physician Assistant providers in Killeen
- 1952559742
- 1699309708
- 1316576044
- 1538481585
- 1992489421
- 1346513553
- 1306813951
- 1598561045
- 1407303720
- 1184348245
- 1144211004
- 1518530567