Kathleen Mary Koerner, D.O.
NPI 1093936171ActiveIndividual· Surgery· Gonzales, TX
Surgery (D.O.) in Gonzales, Texas, trained at Arizona College of Osteopathic Medicine Mid Western University (class of 2003). 70 Medicare patients in 2024, $20,737 paid; nearly all of their 131 Part D prescriptions were generic (92%). Abbvie Inc. was the largest of 6 companies reporting payments in 2025, $190.50 in all, mostly food and beverage.
Overview
| NPI | 1093936171 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | May 2, 2007 |
| Last updated in NPPES | Sep 12, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | P0843 | TX |
| Surgery | 208600000X | 5101015812 | MI |
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 - General Surgery (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 70 |
|---|---|
| Services billed | 217 across 45 procedure codes |
| Paid by Medicare | $20,737 |
Part D prescriptions in 2024
| Prescriptions (claims) | 131 · 131 30-day fills |
|---|---|
| Patients | 59 |
| Total drug cost | $1,760 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Arizona College of Osteopathic Medicine Mid Western University |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | General Surgery |
Medical group
- Gonzales Healthcare SystemsGonzales, TX · 36 clinicians
Hospital affiliation
- Memorial HospitalGonzales, TX
Other facilities
- Memorial Hospital Home Health AgencyHome health agency · Gonzales, TX
Industry payments (Open Payments)
- 2025$190.50 · 11 payments from 6 companies
- 2024$115.62 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $74.08 | 3 |
| Kerecis Limited | $29.93 | 3 |
| Abbott Laboratories | $28.56 | 1 |
| Exact Sciences Corporation | $24.97 | 1 |
| Pacira Pharmaceuticals Incorporated | $18.85 | 1 |
What the 2025 payments were for
- Food and Beverage$190.50 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records