Katherine Ni
NPI 1063916062ActiveIndividual· Internal Medicine, Transplant Hepatology· New York, NY
Internal Medicine, Transplant Hepatology in New York, New York, trained at New York University School of Medicine (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $48,281 for 257 claims, against $6,419 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 2 companies reporting payments in 2025, $148.30 in all, mostly food and beverage.
Overview
| NPI | 1063916062 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 23, 2018 |
| Last updated in NPPES | Jul 1, 2024 |
| Certified by provider | Jul 1, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Transplant Hepatology Primary | 207RT0003X | 322134 | 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 - Gastroenterology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 43 |
|---|---|
| Services billed | 76 across 16 procedure codes |
| Paid by Medicare | $6,419 |
Part D prescriptions in 2024
| Prescriptions (claims) | 257 · 346 30-day fills |
|---|---|
| Patients | 75 |
| Total drug cost | $48,281 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Gastroenterology |
Medical group
- Icahn School of Medicine at Mount SinaiNew York, NY · 2,843 clinicians
Hospital affiliation
- Mount Sinai HospitalNew York, NY
Industry payments (Open Payments)
- 2025$148.30 · 2 payments from 2 companies
- 2024$538.89 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $98.22 | 1 |
| Janssen Scientific Affairs, LLC | $50.08 | 1 |
What the 2025 payments were for
- Food and Beverage$148.30 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 Internal Medicine, Transplant Hepatology providers in New York · All Internal Medicine, Transplant Hepatology providers in New York