ELLEN DECOSTER OTR
NPI 1790078277
Occupational Therapist in Sudbury, MA
About Ellen Decoster Otr NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELLEN DECOSTER OTR (NPI 1790078277) is an individual occupational therapist in Sudbury, Massachusetts, licensed in Massachusetts (10125) and active in the NPI registry since May 2011.
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)
Ellen Decoster Otr is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ellen Decoster reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Aurora, CO 80018
- Reassigned Medicare billing, Colorado enrollment
- 34 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SUDBURY, MA 01776
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 Decoster's NPI number?
The NPI number for Ellen Decoster is 1790078277. It was assigned to this individual provider in the NPPES registry on May 17, 2011.
Where is Ellen Decoster located?
Ellen Decoster practices at 136 Boston Post Rd, Sudbury, MA 01776. The listed phone number is (978) 443-2722.
What is Ellen Decoster's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Ellen Decoster enrolled in Medicare?
Yes. Ellen Decoster is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ellen Decoster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Decoster reassigns Medicare benefits to Denver Physical Therapy At Home (Aurora, CO). 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 Decoster'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 Ellen Decoster was last updated on May 17, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.