Brian Neil Guttormsen, MD
NPI 1629045232ActiveIndividual· Internal Medicine, Interventional Cardiology· Appleton, WI
Internal Medicine, Interventional Cardiology (MD) in Appleton, Wisconsin, trained at Medical College of Wisconsin (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $1,485,046 for 5,805 claims, against $120,912 paid for services in 2024. Boston Scientific Corporation was the largest of 10 companies reporting payments in 2025, $716.68 in all, mostly food and beverage.
Overview
| NPI | 1629045232 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 2, 2006 |
| Last updated in NPPES | Mar 16, 2020 |
| Certified by provider | Mar 16, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 44932 | WI |
| Internal Medicine | 207R00000X | 44932 | WI |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 44932 | WI |
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 - Interventional Cardiology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 598 |
|---|---|
| Services billed | 1,731 across 104 procedure codes |
| Paid by Medicare | $120,912 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,805 · 14,663 30-day fills |
|---|---|
| Patients | 896 |
| Total drug cost | $1,485,046 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology), Internal Medicine |
Medical groups
- Ascension Medical Group-Fox Valley Wisconsin, IncAppleton, WI · 259 clinicians
- Ascension Calumet Hospital IncChilton, WI · 12 clinicians
Hospital affiliations
- Ascension Calumet HospitalChilton, WI
- Ascension Ne Wisconsin - St Elizabeth CampusAppleton, WI
- Thedacare Medical Center - Berlin IncBerlin, WI
- Thedacare Regional Med Ctr - NeenahNeenah, WI
- Thedacare Regional Medical Center - Appleton IncAppleton, WI
Industry payments (Open Payments)
- 2025$716.68 · 20 payments from 10 companies
- 2024$1,149 · 36 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $169.16 | 2 |
| Abbott Laboratories | $118.43 | 1 |
| Abiomed | $117.21 | 4 |
| Novartis Pharmaceuticals Corporation | $80.64 | 4 |
| Cleerly, Inc. | $75.39 | 1 |
What the 2025 payments were for
- Food and Beverage$716.68 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other interventional cardiologists in Appleton
- 1104878149
- 1124505730
- 1689870370
- 1831176338
- 1710937115