MARY PIIRSALU
NPI 1619211133
Occupational Therapist in Warren, NJ
About Mary Piirsalu NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY PIIRSALU (NPI 1619211133) is an individual occupational therapist in Warren, New Jersey, licensed in New Jersey (46TR00224900) and active in the NPI registry since November 2012. She is a graduate of Other (1997).
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
Mary Piirsalu 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 Mary Piirsalu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Wilmington, DE 19803
- Reassigned Medicare billing, New Jersey enrollment
- 973 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 5
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 Mary Piirsalu's NPI number?
The NPI number for Mary Piirsalu is 1619211133. It was assigned to this individual provider in the NPPES registry on November 21, 2012.
Where is Mary Piirsalu located?
Mary Piirsalu practices at 274 King George Rd, Warren, NJ 07059. The listed phone number is (908) 647-5060.
What is Mary Piirsalu's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Mary Piirsalu enrolled in Medicare?
Yes. Mary Piirsalu 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 Mary Piirsalu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Piirsalu reassigns Medicare benefits to Fox Rehabilitation Services Inc (Wilmington, DE). 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 Mary Piirsalu'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 Mary Piirsalu was last updated on November 21, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.