ELLEN OLEFSKY
NPI 1417009853
Occupational Therapist in Ada, MI
About Ellen Olefsky NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELLEN OLEFSKY (NPI 1417009853) is an individual occupational therapist in Ada, Michigan, licensed in Michigan (5201007104) and active in the NPI registry since January 2007.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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 (PECOS)
Ellen Olefsky is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ellen Olefsky reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grand Rapids, MI 49546
- Reassigned Medicare billing, Michigan enrollment
- 31 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 2
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 Ellen Olefsky's NPI number?
The NPI number for Ellen Olefsky is 1417009853. It was assigned to this individual provider in the NPPES registry on January 17, 2007.
Where is Ellen Olefsky located?
Ellen Olefsky practices at 6698 Adaridge Dr SE, Ada, MI 49301. The listed phone number is (616) 450-1843.
What is Ellen Olefsky's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Ellen Olefsky enrolled in Medicare?
Yes. Ellen Olefsky is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ellen Olefsky's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Olefsky reassigns Medicare benefits to Center For Physical Rehabilitation And Therapy LP (Grand Rapids, 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 Ellen Olefsky's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ellen Olefsky accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Ellen Olefsky 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 Ellen Olefsky was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.