Catherine N. Wolff, DO
NPI 1154378602ActiveIndividual· Internal Medicine· South Bend, IN
Internal Medicine (DO) in South Bend, Indiana, trained at Des Moines University of Osteopathic Medicine and Health Sciences (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $1,110,442 for 9,827 claims, against $135,088 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 16 companies reporting payments in 2025, $1,042 in all, mostly food and beverage.
Overview
| NPI | 1154378602 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 30, 2006 |
| Last updated in NPPES | Apr 6, 2021 |
| Certified by provider | Apr 6, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 02004729A | IN |
| Internal Medicine | 207R00000X | 3357 | IA |
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 | 254 |
|---|---|
| Services billed | 2,970 across 57 procedure codes |
| Paid by Medicare | $135,088 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,827 · 22,698 30-day fills |
|---|---|
| Patients | 527 |
| Total drug cost | $1,110,442 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Des Moines University of Osteopathic Medicine and Health Sciences |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
Medical group
- Beacon Medical Group IncSouth Bend, IN · 589 clinicians
Hospital affiliations
- Community Hospital of Bremen IncBremen, IN
- Elkhart General HospitalElkhart, IN
- Memorial Hospital of South BendSouth Bend, IN
- Saint Joseph Regional Medical CenterMishawaka, IN
Other facilities
- Elara CaringHome health agency · Kokomo, IN
- Caring Cove Hospice LLCHospice · Mishawaka, IN
Industry payments (Open Payments)
- 2025$1,042 · 69 payments from 16 companies
- 2024$1,229 · 80 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $188.46 | 14 |
| Lilly USA, LLC | $164.29 | 11 |
| Glaxosmithkline, LLC. | $141.64 | 13 |
| Lundbeck LLC | $105.71 | 6 |
| Amgen Inc. | $73.43 | 5 |
What the 2025 payments were for
- Food and Beverage$1,024 · 68 payments
- Education$18.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 62 internal medicine physicians in South Bend · All internal medicine physicians in Indiana