Mark J. Dibenedetto, M.D.
NPI 1619940269ActiveIndividual· Internal Medicine· Port Jefferson, NY
Internal Medicine (M.D.) in Port Jefferson, New York, trained at State University of New York Downstate Medical Center (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $447,278 for 5,952 claims, against $259,536 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $32.67 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1619940269 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 13, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 172308 | 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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 615 |
|---|---|
| Services billed | 4,310 across 36 procedure codes |
| Paid by Medicare | $259,536 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,952 · 14,638 30-day fills |
|---|---|
| Patients | 513 |
| Total drug cost | $447,278 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY
- St Charles HospitalPort Jefferson, NY
- Suny/Stony Brook University HospitalStony Brook, NY
Other facilities
- Catholic Home CareHome health agency · Farmingdale, NY
- Centerwell Home HealthHome health agency · Hauppauge, NY
- Peconic Bay Homehealth ServicesHome health agency · Riverhead, NY
- Tender Loving Care, An Amedisys CompanyHome health agency · Medford, NY
- Good Shepherd HospiceHospice · Farmingdale, NY
Industry payments (Open Payments)
- 2024$32.67 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $32.67 | 1 |
What the 2024 payments were for
- Food and Beverage$32.67 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 49 internal medicine physicians in Port Jefferson · All internal medicine physicians in New York