Jonathan Koff, M.D.
NPI 1104040401ActiveIndividual· Internal Medicine, Pulmonary Disease· New Haven, CT
Internal Medicine, Pulmonary Disease (M.D.) in New Haven, Connecticut, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $2,182,133 for 181 claims, against $18,485 paid for services in 2024. Vertex Pharmaceuticals Incorporated reported $27.86 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1104040401 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 11, 2007 |
| Last updated in NPPES | Apr 22, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 049721 | CT |
| Internal Medicine, Critical Care Medicine | 207RC0200X | A82796 | CA |
| Internal Medicine, Pulmonary Disease | 207RP1001X | A82796 | CA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 049721 | 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 - Pulmonary Disease (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 86 |
|---|---|
| Services billed | 243 across 20 procedure codes |
| Paid by Medicare | $18,485 |
Part D prescriptions in 2024
| Prescriptions (claims) | 181 · 265 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $2,182,133 |
| Generic share | 37% of claims |
Education and affiliations
| Medical school | Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
| Telehealth | Offers telehealth |
Medical group
- Yale UniversityNew Haven, CT · 2,645 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$27.86 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vertex Pharmaceuticals Incorporated | $27.86 | 1 |
What the 2025 payments were for
- Food and Beverage$27.86 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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