Nicholas G. Baur
NPI 1144783309ActiveIndividual· Internal Medicine, Gastroenterology· Olympia Fields, IL
Internal Medicine, Gastroenterology with Mercy Health System Corporation and 1 other group, practicing in Olympia Fields, Illinois. Enrolled in Medicare as practitioner - internal medicine and practitioner - gastroenterology. Takeda Pharmaceuticals U.S.A., Inc. reported $28.45 in payments in 2025, mostly food and beverage. Lists Javon Bea Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1144783309 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 12, 2019 |
| Last updated in NPPES | Jun 19, 2026 |
| Certified by provider | Jun 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 036.175190 | IL |
| Internal Medicine | 207R00000X | 036.175190 | IL |
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 - Internal Medicine (IL); Practitioner - Gastroenterology (WI) |
|---|
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Gastroenterology |
Medical groups
- Mercy Health System CorporationJanesville, WI · 753 clinicians
- Rockford Health PhysiciansRockford, IL · 521 clinicians
Hospital affiliations
- Javon Bea HospitalRockford, IL
- Mercy Harvard HospitalHarvard, IL
- Mercy Health System CorpJanesville, WI
- Mercyhealth Hospital & Physician Clinic-Crystal laCrystal Lake, IL
Industry payments (Open Payments)
- 2025$28.45 · 1 payment from 1 company
- 2024$246.39 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $28.45 | 1 |
What the 2025 payments were for
- Food and Beverage$28.45 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Olympia Fields
- 1578520656
- 1558701540
- 1477653111
- 1043848328
- 1245597475
- 1295759645
- 1295055291
All Internal Medicine, Gastroenterology providers in Illinois →