Carolyn Dianne Leadholm-Wittke, N.P.
NPI 1124026018ActiveIndividual· Nurse Practitioner, Family· Saginaw, MI
Nurse Practitioner, Family (N.P.) in Saginaw, Michigan, trained at University of Michigan Medical School (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $567,932 for 5,156 claims, against $80,582 paid for services in 2024. Abbvie Inc. was the largest of 5 companies reporting payments in 2025, $255.94 in all, mostly food and beverage.
Overview
| NPI | 1124026018 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | N.P. |
| Sole proprietor | No |
| NPI issued | Jul 13, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 4704189159 | MI |
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 - Nurse Practitioner (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 154 |
|---|---|
| Services billed | 1,028 across 9 procedure codes |
| Paid by Medicare | $80,582 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,156 · 5,978 30-day fills |
|---|---|
| Patients | 415 |
| Total drug cost | $567,932 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Nurse Practitioner |
Medical group
- Comprehensive Pain Specialists, PLLCFlint, MI · 12 clinicians
Hospital affiliation
- Covenant Medical CenterSaginaw, MI
Industry payments (Open Payments)
- 2025$255.94 · 12 payments from 5 companies
- 2024$40.53 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $148.38 | 7 |
| Medtronic, Inc. | $36.86 | 2 |
| Radius Health, Inc. | $27.19 | 1 |
| Zak Ortho | $23.05 | 1 |
| Collegium Pharmaceutical, Inc. | $20.46 | 1 |
What the 2025 payments were for
- Food and Beverage$255.94 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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