Katherine Gehlhausen
NPI 1205281441ActiveIndividual· Internal Medicine· Jasper, IN
Internal Medicine in Jasper, Indiana, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $437,787 for 7,455 claims, against $99,701 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 11 companies reporting payments in 2025, $476.40 in all, mostly food and beverage.
Overview
| NPI | 1205281441 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 25, 2016 |
| Last updated in NPPES | Apr 7, 2026 |
| Certified by provider | Apr 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 01084006A | IN |
| Pediatrics | 208000000X | 01084006A | IN |
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 (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 390 |
|---|---|
| Services billed | 1,346 across 32 procedure codes |
| Paid by Medicare | $99,701 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,455 · 16,062 30-day fills |
|---|---|
| Patients | 445 |
| Total drug cost | $437,787 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Deaconess Clinic IncPhilpot, KY · 413 clinicians
- Easter Seals Rehabilitation Center IncEvansville, IN · 42 clinicians
Hospital affiliation
- Memorial Hospital and Health Care CenterJasper, IN
Other facilities
- Deaconess Home Health, LLCHome health agency · Evansville, IN
- Summit Home CareHome health agency · Indianapolis, IN
Industry payments (Open Payments)
- 2025$476.40 · 27 payments from 11 companies
- 2024$376.33 · 24 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $90.56 | 5 |
| Novo Nordisk Inc | $87.52 | 5 |
| Lilly USA, LLC | $76.94 | 4 |
| Axsome Therapeutics, Inc. | $52.01 | 3 |
| Abbott Laboratories | $37.26 | 2 |
What the 2025 payments were for
- Food and Beverage$476.40 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 internal medicine physicians in Jasper · All internal medicine physicians in Indiana