John Rizzari Gandionco, MD
NPI 1770515405ActiveIndividual· Internal Medicine· Dover, PA
Internal Medicine (MD) in Dover, Pennsylvania, trained at State University of New York Downstate Medical Center (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $790,626 for 10,837 claims, against $103,753 paid for services in 2024.
Overview
| NPI | 1770515405 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 6, 2006 |
| Last updated in NPPES | Feb 26, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD425873 | PA |
| Internal Medicine | 207R00000X | 199304 | NY |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 384 |
|---|---|
| Services billed | 1,917 across 34 procedure codes |
| Paid by Medicare | $103,753 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,837 · 22,415 30-day fills |
|---|---|
| Patients | 731 |
| Total drug cost | $790,626 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Wellspan Medical GroupEphrata, PA · 2,480 clinicians
Hospital affiliations
- Gettysburg HospitalGettysburg, PA
- Wellspan York HospitalYork, PA
Other facilities
- Bayada Home Health Care, Inc.Home health agency · Harrisburg, PA
- Wellspan Vna Home CareHome health agency · York, PA
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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