Kathy Amber Crystal, NP
NPI 1841842192ActiveIndividual· Nurse Practitioner, Gerontology· Byron Center, MI
Nurse Practitioner, Gerontology (NP) with Spectrum Health Primary Care Partners, practicing in Byron Center, Michigan. Their prescriptions cost Medicare Part D more than their services did: $51,061 for 639 claims, against $9,970 paid for services in 2024. Otsuka America Pharmaceutical, Inc. reported $19.68 in payments in 2025, mostly food and beverage. Lists Spectrum Health as a hospital affiliation.
Overview
| NPI | 1841842192 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jul 16, 2019 |
| Last updated in NPPES | Jan 20, 2026 |
| Certified by provider | Jan 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 4704271880 | MI |
| Nurse Practitioner | 363L00000X | 4704271880 | 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 | 48 |
|---|---|
| Services billed | 146 across 8 procedure codes |
| Paid by Medicare | $9,970 |
Part D prescriptions in 2024
| Prescriptions (claims) | 639 · 659 30-day fills |
|---|---|
| Patients | 65 |
| Total drug cost | $51,061 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Spectrum Health Primary Care PartnersGrand Rapids, MI · 2,294 clinicians
Hospital affiliation
- Spectrum HealthGrand Rapids, MI
Industry payments (Open Payments)
- 2025$19.68 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $19.68 | 1 |
What the 2025 payments were for
- Food and Beverage$19.68 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 19 gerontology nurse practitioners in Byron Center · All gerontology nurse practitioners in Michigan