CASSIE JANELLE GRESHOW
NPI 1154810570
Occupational Therapist in Jackson, MI
About Cassie Janelle Greshow NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASSIE JANELLE GRESHOW (NPI 1154810570) is an individual occupational therapist in Jackson, Michigan, licensed in Michigan (5201009439) and active in the NPI registry since May 2018.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Cassie Janelle Greshow is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Cassie Greshow reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lansing, MI 48911
- Reassigned Medicare billing, Michigan enrollment
- 27 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
JACKSON, MI 49201
JACKSON, MI 49201
JACKSON, MI 49201
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 Cassie Greshow's NPI number?
The NPI number for Cassie Greshow is 1154810570. It was assigned to this individual provider in the NPPES registry on May 2, 2018.
Where is Cassie Greshow located?
Cassie Greshow practices at 1201 E Michigan Ave Ste 320, Jackson, MI 49201. The listed phone number is (517) 205-7633.
What is Cassie Greshow's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Cassie Greshow enrolled in Medicare?
Yes. Cassie Greshow is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Cassie Greshow's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cassie Greshow reassigns Medicare benefits to Physiotherapy Associates Inc (Lansing, 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 Cassie Greshow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Cassie Greshow was last updated on April 7, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.