Bonnie Catherine Callahan, M.D.
NPI 1073728218ActiveIndividual· Internal Medicine· Newark, DE
Internal Medicine (M.D.) in Newark, Delaware, trained at Jefferson Medical College of Thomas Jefferson University (class of 2003). Mostly services rather than prescriptions: Medicare paid $3,149 for 32 patients in 2024, with only 49 Part D claims.
Overview
| NPI | 1073728218 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 11, 2007 |
| Last updated in NPPES | Sep 11, 2024 |
| Certified by provider | Sep 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD431222 | PA |
| Internal Medicine | 207R00000X | C1-0012787 | 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 | 32 |
|---|---|
| Services billed | 50 across 5 procedure codes |
| Paid by Medicare | $3,149 |
Part D prescriptions in 2024
| Prescriptions (claims) | 49 · 123 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $346.51 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Internal Medicine |
Medical group
- Christiana Care Health Services IncNewark, DE · 1,483 clinicians
Hospital affiliation
- Christiana HospitalNewark, DE
Other facilities
- Amedisys Delaware, LLCHome health agency · Dover, DE
- Aveanna Home HealthcareHome health agency · Milford, DE
- Bayada Home Health Care, IncHome health agency · Wilmington, DE
- Saint Francis Home CareHome health agency · Newark, 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