George Quentin Gregorio Viterbo, M.D.
NPI 1134253099ActiveIndividual· Family Medicine· Wilmington, DE
Family Medicine (M.D.) with Delaware Medical Associates PA, practicing in Wilmington, Delaware. 607 Medicare patients in 2024, $197,318 paid; nearly all of their 6,469 Part D prescriptions were generic (94%). Astrazeneca Pharmaceuticals LP was the largest of 14 companies reporting payments in 2025, $1,261 in all, mostly food and beverage. Lists Christiana Hospital as a hospital affiliation.
Overview
| NPI | 1134253099 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 15, 2007 |
| Last updated in NPPES | Mar 4, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | C1-0008781 | 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 - Family Practice (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 607 |
|---|---|
| Services billed | 3,521 across 22 procedure codes |
| Paid by Medicare | $197,318 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,469 · 17,373 30-day fills |
|---|---|
| Patients | 738 |
| Total drug cost | $263,433 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Delaware Medical Associates PAWilmington, DE · 4 clinicians
Hospital affiliation
- Christiana HospitalNewark, DE
Other facilities
- Bayada Home Health Care, IncHome health agency · Wilmington, DE
- Christianacare HomehealthHome health agency · Wilmington, DE
Industry payments (Open Payments)
- 2025$1,261 · 58 payments from 14 companies
- 2024$1,837 · 92 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $355.96 | 21 |
| Novartis Pharmaceuticals Corporation | $220.17 | 15 |
| Lilly USA, LLC | $179.68 | 4 |
| Abbvie Inc. | $126.00 | 2 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $102.77 | 1 |
What the 2025 payments were for
- Food and Beverage$1,261 · 58 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 241 family medicine physicians in Wilmington · All family medicine physicians in Delaware