Katarzyna Bigaj, M.D.
NPI 1043658420ActiveIndividual· Pediatrics, Pediatric Gastroenterology· Bronx, NY
Pediatrics, Pediatric Gastroenterology (M.D.) in Bronx, New York, licensed in NY, with an NPI issued in June 2013. Enrolled in Medicare as practitioner - gastroenterology. Mirum Pharmaceuticals, Inc. reported $185.24 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1043658420 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 7, 2013 |
| Last updated in NPPES | Mar 20, 2026 |
| Certified by provider | Mar 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Pediatric Gastroenterology Primary | 2080P0206X | 326156 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (NY) |
|---|
Industry payments (Open Payments)
- 2025$185.24 · 3 payments from 1 company
- 2024$159.02 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mirum Pharmaceuticals, Inc. | $185.24 | 3 |
What the 2025 payments were for
- Food and Beverage$185.24 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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