Ellen Axenfeld, MD
NPI 1821594441ActiveIndividual· Internal Medicine, Gastroenterology· White Plains, NY
Internal Medicine, Gastroenterology (MD) with Trustees of Columbia University in the City of New York, practicing in White Plains, New York. Part D covered 46 prescriptions written in 2024, 67% of them generic. Janssen Biotech, Inc. was the largest of 5 companies reporting payments in 2025, $397.52 in all, mostly food and beverage. Lists New York-Presbyterian Hospital as a hospital affiliation.
Overview
| NPI | 1821594441 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 3, 2018 |
| Last updated in NPPES | Sep 26, 2025 |
| Certified by provider | Sep 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 310319 | NY |
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 - Gastroenterology (NY) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 46 · 66 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $85,548 |
| Generic share | 67% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Trustees of Columbia University in the City of New YorkNew York, NY · 2,296 clinicians
Hospital affiliation
- New York-Presbyterian HospitalNew York, NY
Industry payments (Open Payments)
- 2025$397.52 · 14 payments from 5 companies
- 2024$78,623 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $205.30 | 5 |
| Takeda Pharmaceuticals U.S.A., Inc. | $116.41 | 6 |
| Ferring Pharmaceuticals Inc. | $34.27 | 1 |
| Abbvie Inc. | $22.99 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $18.55 | 1 |
What the 2025 payments were for
- Food and Beverage$397.52 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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