Kari Zureki Castillo, NP
NPI 1083928956ActiveIndividual· Nurse Practitioner, Primary Care· Ann Arbor, MI
Nurse Practitioner, Primary Care (NP) with Regents of the University of Michigan, practicing in Ann Arbor, Michigan. Their prescriptions cost Medicare Part D more than their services did: $2,018,645 for 1,197 claims, against $4,935 paid for services in 2024. Lists University of Michigan Health System as a hospital affiliation.
Overview
| NPI | 1083928956 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Aug 3, 2010 |
| Last updated in NPPES | Dec 6, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Primary Care Primary | 363LP2300X | 4704230254 | MI |
| Nurse Practitioner | 363L00000X | 4704230254 | 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 | 36 |
|---|---|
| Services billed | 70 across 7 procedure codes |
| Paid by Medicare | $4,935 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,197 · 1,760 30-day fills |
|---|---|
| Patients | 91 |
| Total drug cost | $2,018,645 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of MichiganAnn Arbor, MI · 3,346 clinicians
Hospital affiliation
- University of Michigan Health SystemAnn Arbor, MI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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