Katherine Welter, M.D.
NPI 1437538311ActiveIndividual· Hospitalist· Chicago, IL
Hospitalist (M.D.) in Chicago, Illinois, trained at Southern Illinois University School of Medicine (class of 2015). Mostly services rather than prescriptions: Medicare paid $21,842 for 80 patients in 2024, with only 25 Part D claims. Indivior Inc. reported $969.00 in payments in 2025, mostly consulting fees.
Overview
| NPI | 1437538311 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 25, 2015 |
| Last updated in NPPES | Nov 24, 2025 |
| Certified by provider | Nov 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 036.145669 | IL |
| Internal Medicine, Addiction Medicine | 207RA0401X | 036145669 | IL |
| Internal Medicine | 207R00000X | 125066555 | IL |
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 - Hospitalist (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 80 |
|---|---|
| Services billed | 267 across 10 procedure codes |
| Paid by Medicare | $21,842 |
Part D prescriptions in 2024
| Prescriptions (claims) | 25 · 28 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $3,033 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | Southern Illinois University School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliation
- Northwestern Memorial HospitalChicago, IL
Industry payments (Open Payments)
- 2025$969.00 · 1 payment from 1 company
- 2024$117.18 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Indivior Inc. | $969.00 | 1 |
What the 2025 payments were for
- Consulting Fee$969.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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