CORTNEY DAY
NPI 1538778170
Occupational Therapist in Grand Rapids, MI
About Cortney Day NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CORTNEY DAY (NPI 1538778170) is an individual occupational therapist in Grand Rapids, Michigan and active in the NPI registry since July 2020. She maintains a secondary practice location in Rockford and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Cortney Day is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Cortney Day reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Shelby Township, MI 48315
- Reassigned Medicare billing, Michigan enrollment
- 164 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Cortney Day's NPI number?
The NPI number for Cortney Day is 1538778170. It was assigned to this individual provider in the NPPES registry on July 29, 2020.
Where is Cortney Day located?
Cortney Day practices at 235 Wealthy St SE, Grand Rapids, MI 49503. The listed phone number is (616) 840-8000.
What is Cortney Day's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Cortney Day enrolled in Medicare?
Yes. Cortney Day is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Cortney Day's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cortney Day reassigns Medicare benefits to Powerback Rehabilitation LLC (Shelby Township, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Cortney Day's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cortney Day accept?
Health plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company list Cortney Day as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Cortney Day was last updated on July 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.