Mark J. Jagust, M.D.
NPI 1467493494ActiveIndividual· Family Medicine· Lake Grove, NY
Family Medicine (M.D.) with North Shore Hematology Oncology Associates PC, practicing in Lake Grove, New York. Their prescriptions cost Medicare Part D more than their services did: $628,559 for 5,541 claims, against $369,777 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 8 companies reporting payments in 2025, $504.33 in all, mostly food and beverage. Lists Suny/Stony Brook University Hospital as a hospital affiliation.
Overview
| NPI | 1467493494 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 9, 2006 |
| Last updated in NPPES | Aug 10, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 178630 | 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 - Family Practice (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 534 |
|---|---|
| Services billed | 12,268 across 116 procedure codes |
| Paid by Medicare | $369,777 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,541 · 13,811 30-day fills |
|---|---|
| Patients | 525 |
| Total drug cost | $628,559 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- North Shore Hematology Oncology Associates PCPort Jefferson Station, NY · 479 clinicians
Hospital affiliation
- 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
Industry payments (Open Payments)
- 2025$504.33 · 18 payments from 8 companies
- 2024$788.11 · 20 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $147.85 | 6 |
| Regeneron Healthcare Solutions, Inc. | $86.80 | 1 |
| Amgen Inc. | $80.68 | 4 |
| Exact Sciences Corporation | $56.60 | 2 |
| Pfizer Inc. | $49.85 | 2 |
What the 2025 payments were for
- Food and Beverage$504.33 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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