Martha S. Dixon, PA
NPI 1851532444ActiveIndividual· Physician Assistant· Kingwood, TX
Physician Assistant (PA) with Memorial Hermann Medical Group, practicing in Kingwood, Texas. Their prescriptions cost Medicare Part D more than their services did: $305,687 for 3,136 claims, against $27,048 paid for services in 2024. Novo Nordisk Inc was the largest of 11 companies reporting payments in 2025, $730.26 in all, mostly food and beverage. Lists Memorial Hermann Hospital System and 1 other hospital as hospital affiliations.
Overview
| NPI | 1851532444 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Mar 12, 2009 |
| Last updated in NPPES | Aug 14, 2026 |
| Certified by provider | Aug 14, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA06153 | TX |
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 - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 176 |
|---|---|
| Services billed | 447 across 30 procedure codes |
| Paid by Medicare | $27,048 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,136 · 7,828 30-day fills |
|---|---|
| Patients | 389 |
| Total drug cost | $305,687 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Memorial Hermann Medical GroupSugar Land, TX · 762 clinicians
Hospital affiliations
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Northeast HospitalHumble, TX
Other facilities
- Accentcare Home Health of Houston - North, LLCHome health agency · Houston, TX
Industry payments (Open Payments)
- 2025$730.26 · 40 payments from 11 companies
- 2024$385.20 · 20 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $284.44 | 18 |
| Lilly USA, LLC | $87.89 | 4 |
| Amgen Inc. | $79.67 | 4 |
| Exact Sciences Corporation | $65.15 | 3 |
| Dynavax Technologies Corporation | $52.48 | 2 |
What the 2025 payments were for
- Food and Beverage$730.26 · 40 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 44 physician assistants in Kingwood · All physician assistants in Texas