GREGORY MORRISSEY
NPI 1861127979
Occupational Therapist in Des Plaines, IL
About Gregory Morrissey NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY MORRISSEY (NPI 1861127979) is an individual occupational therapist in Des Plaines, Illinois and active in the NPI registry since July 2022. He is a graduate of Other (2013).
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 and accepts Medicare assignment
Gregory Morrissey 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 Reassignments
2Medicare enrollment records show Gregory Morrissey reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grayslake, IL 60030
- Reassigned Medicare billing, Illinois enrollment
- 123 clinicians in this Medicare group
Oshkosh, WI 54901
- Reassigned Medicare billing, Illinois enrollment
- 49 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 Gregory Morrissey's NPI number?
The NPI number for Gregory Morrissey is 1861127979. It was assigned to this individual provider in the NPPES registry on July 21, 2022.
Where is Gregory Morrissey located?
Gregory Morrissey practices at 950 Lee St, Des Plaines, IL 60016. The listed phone number is (877) 486-4140.
What is Gregory Morrissey's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Gregory Morrissey enrolled in Medicare?
Yes. Gregory Morrissey 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 organizations bill Medicare for Gregory Morrissey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Morrissey reassigns Medicare benefits to 2 organizations: Legacy Healthcare Services Inc (Grayslake, IL) and Oasis Therapy Services LLC (Oshkosh, WI). Each 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 Gregory Morrissey'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 Gregory Morrissey was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.