Aaron R. Block, P.A.-C
NPI 1700922390ActiveIndividual· Physician Assistant· Lewes, DE
Physician Assistant (P.A.-C) with Christiana Care Health Services Inc, practicing in Lewes, Delaware. Their prescriptions cost Medicare Part D more than their services did: $139,641 for 1,562 claims, against $45,034 paid for services in 2024. Eisai Inc. reported $82.28 in payments in 2025, mostly food and beverage. Lists Bayhealth Hospital, Sussex Campus and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1700922390 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A.-C |
| Sole proprietor | No |
| NPI issued | Jan 30, 2007 |
| Last updated in NPPES | Oct 20, 2023 |
| Certified by provider | Oct 20, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | C50000564 | 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 - Physician Assistant (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 243 |
|---|---|
| Services billed | 475 across 22 procedure codes |
| Paid by Medicare | $45,034 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,562 · 3,928 30-day fills |
|---|---|
| Patients | 349 |
| Total drug cost | $139,641 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Christiana Care Health Services IncNewark, DE · 1,483 clinicians
Hospital affiliations
- Bayhealth Hospital, Sussex CampusMilford, DE
- Bayhealth Medical Center, Kent CampusDover, DE
- Beebe Medical CenterLewes, DE
- Christiana HospitalNewark, DE
- Tidalhealth Peninsula Regional, IncSalisbury, MD
Other facilities
- Pam Health Rehabilitation Hospital of Georgetown LInpatient rehabilitation facility · Georgetown, DE
Industry payments (Open Payments)
- 2025$82.28 · 3 payments from 1 company
- 2024$301.22 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Eisai Inc. | $82.28 | 3 |
What the 2025 payments were for
- Food and Beverage$82.28 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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