Kathleen Fenn, M.D.
NPI 1205255619ActiveIndividual· Internal Medicine, Hematology & Oncology· New Haven, CT
Internal Medicine, Hematology & Oncology (M.D.) in New Haven, Connecticut, trained at Yale University School of Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $2,211,904 for 1,233 claims, against $39,826 paid for services in 2024.
Overview
| NPI | 1205255619 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 14, 2014 |
| Last updated in NPPES | Jul 17, 2020 |
| Certified by provider | Jul 17, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 66492 | CT |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 187 |
|---|---|
| Services billed | 654 across 15 procedure codes |
| Paid by Medicare | $39,826 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,233 · 2,433 30-day fills |
|---|---|
| Patients | 274 |
| Total drug cost | $2,211,904 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Yale UniversityNew Haven, CT · 2,645 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Greenwich Hospital Association -Greenwich, CT
- Yale-New Haven HospitalNew Haven, CT
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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