Michelle Grisillo Bishop
NPI 1659766053ActiveIndividual· Internal Medicine· Newark, DE
Internal Medicine with Christiana Care Health Services Inc, practicing in Newark, Delaware. 455 Medicare patients in 2024, $58,874 paid; nearly all of their 160 Part D prescriptions were generic (90%). Lists Christiana Hospital as a hospital affiliation.
Overview
| NPI | 1659766053 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 2, 2015 |
| Last updated in NPPES | Aug 15, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | C2-0012734 | DE |
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 (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 455 |
|---|---|
| Services billed | 786 across 10 procedure codes |
| Paid by Medicare | $58,874 |
Part D prescriptions in 2024
| Prescriptions (claims) | 160 · 166 30-day fills |
|---|---|
| Patients | 94 |
| Total drug cost | $7,890 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Christiana Care Health Services IncNewark, DE · 1,483 clinicians
Hospital affiliation
- Christiana HospitalNewark, DE
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 Newark
- 1346052248
- 1548968522
- 1457179806
- 1013183318
- 1184694531
- 1154463206
- 1063692648
- 1518978451
- 1386075737
- 1720409972
- 1922487859
- 1518990142