Jeremy Kortmansky, MD
NPI 1801835756ActiveIndividual· Internal Medicine, Hematology & Oncology· Hamden, CT
Internal Medicine, Hematology & Oncology (MD) in Hamden, Connecticut, trained at Northwestern University Feinberg Medical School (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $558,352 for 376 claims, against $44,627 paid for services in 2024. Pfizer Inc. reported $62.38 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1801835756 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 6, 2006 |
| Last updated in NPPES | Jan 28, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 043345 | CT |
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 - Medical Oncology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 185 |
|---|---|
| Services billed | 661 across 13 procedure codes |
| Paid by Medicare | $44,627 |
Part D prescriptions in 2024
| Prescriptions (claims) | 376 · 423 30-day fills |
|---|---|
| Patients | 110 |
| Total drug cost | $558,352 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Yale UniversityNew Haven, CT · 2,645 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Griffin HospitalDerby, CT
- Yale-New Haven HospitalNew Haven, CT
Other facilities
- Yale New Haven Health - Health at HomeHome health agency · Milford, CT
- Connecticut Hospice Inc, theHospice · Branford, CT
- Home Care Plus, IncHospice · Guilford, CT
Industry payments (Open Payments)
- 2025$62.38 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $62.38 | 1 |
What the 2025 payments were for
- Food and Beverage$62.38 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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