William T. Katsiyiannis, MD
NPI 1811953987ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Minneapolis, MN
Internal Medicine, Clinical Cardiac Electrophysiology (MD) with Allina Health System, practicing in Minneapolis, Minnesota. Their prescriptions cost Medicare Part D more than their services did: $532,682 for 1,040 claims, against $65,451 paid for services in 2024. Medtronic, Inc. reported $162.24 in payments in 2024, mostly food and beverage. Lists Abbott Northwestern Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1811953987 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 26, 2006 |
| Last updated in NPPES | Mar 11, 2021 |
| Certified by provider | Mar 11, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | 46466 | MN |
| Internal Medicine | 207R00000X | 46466 | MN |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 46466 | MN |
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 - Cardiac Electrophysiology (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 364 |
|---|---|
| Services billed | 1,312 across 45 procedure codes |
| Paid by Medicare | $65,451 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,040 · 2,458 30-day fills |
|---|---|
| Patients | 193 |
| Total drug cost | $532,682 |
| Generic share | 59% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Cardiac Electrophysiology |
| Secondary specialties | Cardiovascular Disease (Cardiology), Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Allina Health SystemNew Ulm, MN · 3,842 clinicians
Hospital affiliations
- Abbott Northwestern HospitalMinneapolis, MN
- Glencoe Regional HealthGlencoe, MN
- New Ulm Medical CenterNew Ulm, MN
- St Francis Regional Medical CenterShakopee, MN
Industry payments (Open Payments)
- 2024$162.24 · 2 payments from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $162.24 | 2 |
What the 2024 payments were for
- Food and Beverage$162.24 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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