Ashley Marie Nickerson, D.O.
NPI 1821450289ActiveIndividual· Internal Medicine, Gastroenterology· Port Matilda, PA
Internal Medicine, Gastroenterology (D.O.) with Geisinger Clinic, practicing in Port Matilda, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $93,180 for 163 claims, against $31,100 paid for services in 2024. Lists Geisinger Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1821450289 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Mar 24, 2016 |
| Last updated in NPPES | Aug 19, 2022 |
| Certified by provider | Aug 19, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | OS022019 | PA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| 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 - Gastroenterology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 209 |
|---|---|
| Services billed | 288 across 24 procedure codes |
| Paid by Medicare | $31,100 |
Part D prescriptions in 2024
| Prescriptions (claims) | 163 · 369 30-day fills |
|---|---|
| Patients | 52 |
| Total drug cost | $93,180 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Geisinger ClinicDanville, PA · 3,467 clinicians
Hospital affiliations
- Geisinger Medical CenterDanville, PA
- Geisinger-Lewistown HospitalLewistown, PA
- Mount Nittany Medical CenterState College, PA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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