Katherine Windrim, PMHNP-BC, RN
NPI 1508234162ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Clarkston, MI
Nurse Practitioner, Psych/Mental Health (PMHNP-BC, RN) with Ismail B Sendi MD PC, practicing in Clarkston, Michigan. Their prescriptions cost Medicare Part D more than their services did: $136,688 for 865 claims, against $7,967 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 17 companies reporting payments in 2025, $3,891 in all, mostly food and beverage.
Overview
| NPI | 1508234162 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PMHNP-BC, RN |
| Sole proprietor | No |
| NPI issued | Sep 11, 2015 |
| Last updated in NPPES | Dec 17, 2024 |
| Certified by provider | Dec 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 4704272980 | MI |
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 - Nurse Practitioner (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 18 |
|---|---|
| Services billed | 108 across 3 procedure codes |
| Paid by Medicare | $7,967 |
Part D prescriptions in 2024
| Prescriptions (claims) | 865 · 998 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $136,688 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Ismail B Sendi MD PCPort Huron, MI · 72 clinicians
Industry payments (Open Payments)
- 2025$3,891 · 203 payments from 17 companies
- 2024$2,949 · 144 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $631.16 | 34 |
| Vanda Pharmaceuticals Inc. | $607.56 | 22 |
| Axsome Therapeutics, Inc. | $434.87 | 18 |
| Teva Pharmaceuticals USA, Inc. | $357.49 | 13 |
| Alkermes, Inc. | $339.92 | 14 |
What the 2025 payments were for
- Food and Beverage$3,792 · 202 payments
- Education$99.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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