Allison Elizabeth Keenan, D.O.
NPI 1114130887ActiveIndividual· Internal Medicine· Philadelphia, PA
Internal Medicine (D.O.) in Philadelphia, Pennsylvania, trained at Philadelphia College of Osteopathic Medicine (class of 2005). 341 Medicare patients in 2024, $91,807 paid; nearly all of their 136 Part D prescriptions were generic (94%). Viatris Specialty LLC was the largest of 2 companies reporting payments in 2025, $47.70 in all, mostly food and beverage.
Overview
| NPI | 1114130887 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | May 8, 2007 |
| Last updated in NPPES | May 24, 2021 |
| Certified by provider | May 24, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | OS014430 | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 341 |
|---|---|
| Services billed | 1,063 across 6 procedure codes |
| Paid by Medicare | $91,807 |
Part D prescriptions in 2024
| Prescriptions (claims) | 136 · 141 30-day fills |
|---|---|
| Patients | 69 |
| Total drug cost | $5,585 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Internal Medicine |
Medical groups
- Galen Inpatient Physicians PCHanford, CA · 1,077 clinicians
- Trinity Health Mid-Atlantic Medical GroupLanghorne, PA · 334 clinicians
Hospital affiliations
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- Nazareth HospitalPhiladelphia, PA
- St Mary Medical CenterLanghorne, PA
Other facilities
- Vitas Healthcare Corporation AtlanticHospice · Blue Bell, PA
Industry payments (Open Payments)
- 2025$47.70 · 2 payments from 2 companies
- 2024$17.61 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viatris Specialty LLC | $27.78 | 1 |
| Philips North America LLC | $19.92 | 1 |
What the 2025 payments were for
- Food and Beverage$47.70 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,995 internal medicine physicians in Philadelphia · All internal medicine physicians in Pennsylvania