John A. Donnelly, MD
NPI 1821064064ActiveIndividual· Internal Medicine· Newark, DE
Internal Medicine (MD) in Newark, Delaware, trained at Michigan State University College of Osteopathic Medicine (class of 1997). Mostly services rather than prescriptions: Medicare paid $23,030 for 144 patients in 2024, with only 21 Part D claims.
Overview
| NPI | 1821064064 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 27, 2006 |
| Last updated in NPPES | Aug 2, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | C10006226 | DE |
| Pediatrics | 208000000X | C10006226 | DE |
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 (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 144 |
|---|---|
| Services billed | 311 across 16 procedure codes |
| Paid by Medicare | $23,030 |
Part D prescriptions in 2024
| Prescriptions (claims) | 21 · 45 30-day fills |
|---|---|
| Total drug cost | $890.01 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1997 |
| 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
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All 267 internal medicine physicians in Newark · All internal medicine physicians in Delaware