Karen S. Lothamer, RN, CNS
NPI 1699823492ActiveIndividual· Nurse Practitioner· Fort Wayne, IN
Nurse Practitioner (RN, CNS) with Park Center Inc, practicing in Fort Wayne, Indiana. Their prescriptions cost Medicare Part D more than their services did: $1,731,517 for 4,477 claims, against $6,559 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 15 companies reporting payments in 2025, $3,823 in all, mostly food and beverage. Lists Parkview Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1699823492 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN, CNS |
| Sole proprietor | No |
| NPI issued | Jan 8, 2007 |
| Last updated in NPPES | Mar 31, 2025 |
| Certified by provider | Mar 31, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 70000193A | IN |
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 - Certified Clinical Nurse Specialist (Cns) (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 95 |
|---|---|
| Services billed | 175 across 5 procedure codes |
| Paid by Medicare | $6,559 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,477 · 7,157 30-day fills |
|---|---|
| Patients | 453 |
| Total drug cost | $1,731,517 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Certified Clinical Nurse Specialist (Cns) |
| Telehealth | Offers telehealth |
Medical group
- Park Center IncFort Wayne, IN · 46 clinicians
Hospital affiliation
- Parkview Regional Medical CenterFort Wayne, IN
Industry payments (Open Payments)
- 2025$3,823 · 153 payments from 15 companies
- 2024$2,764 · 118 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $819.77 | 17 |
| E.R. Squibb & Sons, L.L.C. | $512.23 | 24 |
| Abbvie Inc. | $429.57 | 22 |
| Teva Pharmaceuticals USA, Inc. | $426.73 | 12 |
| Lundbeck LLC | $402.27 | 29 |
What the 2025 payments were for
- Food and Beverage$3,683 · 146 payments
- Education$140.05 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 536 nurse practitioners in Fort Wayne · All nurse practitioners in Indiana