Penelope Aikin Jackson, M.D.
NPI 1548240682ActiveIndividual· Internal Medicine· Granbury, TX
Internal Medicine (M.D.) in Granbury, Texas, trained at Northeastern Ohio University College of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $418,423 for 4,878 claims, against $90,867 paid for services in 2024. Acella Pharmaceuticals, LLC was the largest of 12 companies reporting payments in 2025, $254.51 in all, mostly food and beverage.
Overview
| NPI | 1548240682 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 17, 2006 |
| Last updated in NPPES | Mar 18, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | L2078 | 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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 200 |
|---|---|
| Services billed | 1,707 across 34 procedure codes |
| Paid by Medicare | $90,867 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,878 · 11,083 30-day fills |
|---|---|
| Patients | 333 |
| Total drug cost | $418,423 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Northeastern Ohio University College of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Glen Rose Medical CenterGlen Rose, TX
- Lake Granbury Medical CenterGranbury, TX
Industry payments (Open Payments)
- 2025$254.51 · 14 payments from 12 companies
- 2024$143.79 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Acella Pharmaceuticals, LLC | $47.93 | 3 |
| Inspire Medical Systems, Inc. | $25.67 | 1 |
| Otsuka America Pharmaceutical, Inc. | $22.96 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $21.09 | 1 |
| Owp Pharmaceuticals, Inc. | $19.99 | 1 |
What the 2025 payments were for
- Food and Beverage$254.51 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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