Stephanie Ann Johnson
Physician Assistant with Liver Specialists of Texas PLLC, practicing in Midland, Texas. Their prescriptions cost Medicare Part D more than their services did: $505,509 for 421 claims, against $55,570 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 10 companies reporting payments in 2025, $2,069 in all, mostly food and beverage. Lists Houston Methodist Hospital as a hospital affiliation. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1841844685 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jul 30, 2019 |
| Last updated in NPPES | Jan 7, 2022 |
| Certified by provider | Jan 7, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA13994 | TX |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in Texas, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | Stephanie L. Johnson · Nurse/Nurses Aide | 1128b4 | Jul 27, 1989 | Waco, TX |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | Possible (name) | See above |
| 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 - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 188 |
|---|---|
| Services billed | 595 across 12 procedure codes |
| Paid by Medicare | $55,570 |
Part D prescriptions in 2024
| Prescriptions (claims) | 421 · 882 30-day fills |
|---|---|
| Patients | 94 |
| Total drug cost | $505,509 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Liver Specialists of Texas PLLCHouston, TX · 5 clinicians
Hospital affiliation
- Houston Methodist HospitalHouston, TX
Industry payments (Open Payments)
- 2025$2,069 · 85 payments from 10 companies
- 2024$2,725 · 78 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $576.01 | 23 |
| Gilead Sciences, Inc. | $550.41 | 14 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $450.90 | 26 |
| Ipsen Biopharmaceuticals, Inc | $146.69 | 7 |
| Abbvie Inc. | $136.91 | 7 |
What the 2025 payments were for
- Food and Beverage$2,069 · 85 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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