Katherine Marie Holzem, MD
NPI 1861912529ActiveIndividual· Surgery, Vascular Surgery· Saint Louis, MO
Surgery, Vascular Surgery (MD) in Saint Louis, Missouri, licensed in MO, with an NPI issued in June 2017. 59 Medicare patients in 2024, $28,208 paid; nearly all of their 60 Part D prescriptions were generic (97%). Penumbra, Inc. was the largest of 2 companies reporting payments in 2025, $272.37 in all, mostly food and beverage.
Overview
| NPI | 1861912529 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 23, 2017 |
| Last updated in NPPES | Sep 15, 2025 |
| Certified by provider | Sep 15, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | 2022038986 | MO |
| Surgery | 208600000X | 2022038986 | MO |
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 - Vascular Surgery (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 59 |
|---|---|
| Services billed | 125 across 44 procedure codes |
| Paid by Medicare | $28,208 |
Part D prescriptions in 2024
| Prescriptions (claims) | 60 · 109 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $1,427 |
| Generic share | 97% of claims |
Industry payments (Open Payments)
- 2025$272.37 · 2 payments from 2 companies
- 2024$77.13 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Penumbra, Inc. | $145.13 | 1 |
| Shockwave Medical, Inc | $127.24 | 1 |
What the 2025 payments were for
- Food and Beverage$272.37 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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