Marissa Elan Chesney, M.D.
NPI 1831332303ActiveIndividual· Internal Medicine· Red Lion, PA
Internal Medicine (M.D.) with Wellspan Medical Group, practicing in Red Lion, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $1,039,276 for 12,859 claims, against $131,068 paid for services in 2024. Lists Gettysburg Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1831332303 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 14, 2009 |
| Last updated in NPPES | Jun 7, 2022 |
| Certified by provider | Jun 7, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD463699 | PA |
| Internal Medicine | 207R00000X | 206426 | LA |
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 - Internal Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 534 |
|---|---|
| Services billed | 1,967 across 46 procedure codes |
| Paid by Medicare | $131,068 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,859 · 27,115 30-day fills |
|---|---|
| Patients | 1,013 |
| Total drug cost | $1,039,276 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Wellspan Medical GroupEphrata, PA · 2,480 clinicians
Hospital affiliations
- Gettysburg HospitalGettysburg, PA
- Wellspan Surgery and Rehabilitation HospitalYork, PA
- Wellspan York HospitalYork, PA
Other facilities
- Wellspan Vna Home CareHome health agency · York, PA
- Choices HealthcareHospice · Lancaster, PA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Red Lion
- 1558800359
- 1093882144
- 1497431589
- 1811440050
- 1467480848
- 1871581173
- 1104138403
- 1235161506
- 1689603656
- 1659867638
- 1255676037
- 1013953405