MRS. KAREN MAHER
NPI 1225310451
Local Education Agency (LEA) in East Northport, NY
About Mrs. Karen Maher NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. KAREN MAHER (NPI 1225310451) is an individual local education agency (lea) provider in East Northport, New York, licensed in New York (012829-1) and active in the NPI registry since September 2011. She is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Mrs. Karen Maher 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
4Medicare enrollment records show Karen Maher reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
East Northport, NY 11731
- Reassigned Medicare billing, New York enrollment
- 13 clinicians in this Medicare group
Nesconset, NY 11767
- Reassigned Medicare billing, New York enrollment
- 6 clinicians in this Medicare group
East Setauket, NY 11733
- Reassigned Medicare billing, New York enrollment
- 4 clinicians in this Medicare group
Bronx, NY 10467
- Reassigned Medicare billing, New York enrollment
- 5,251 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Karen Maher's NPI number?
The NPI number for Karen Maher is 1225310451. It was assigned to this individual provider in the NPPES registry on September 14, 2011.
Where is Karen Maher located?
Karen Maher practices at 8 Hanley Pl, East Northport, NY 11731. The listed phone number is (631) 368-2473.
What is Karen Maher's specialty?
The primary specialty registered for this NPI is Local Education Agency (LEA) with taxonomy code 251300000X.
Is Karen Maher enrolled in Medicare?
Yes. Karen Maher 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 Karen Maher's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Maher reassigns Medicare benefits to 4 organizations: Island Sports Physiotherapy, PC (East Northport, NY), Island Sports Physical Therapy Of Smithtown, P.C. (Nesconset, NY), Island Physical Therapy Of East Setauket (East Setauket, NY) and Montefiore Medical Center (Bronx, NY). 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 Karen Maher'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 Karen Maher was last updated on December 22, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Mrs. Karen Maher · NPI 1225310451
Local Education Agency (LEA) provider in East Northport, New York. Individual provider, active in the CMS NPPES registry since September 14, 2011.
## Identity
- **NPI:** 1225310451 (Entity type: Individual)
- **Enumerated:** September 14, 2011
- **Primary specialty:** Local Education Agency (LEA) · taxonomy 251300000X
- **State license:** 012829-1 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 8 HANLEY PL, East Northport, NY 11731-3702
- **Phone:** (631) 368-2473
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Island Sports Physiotherapy, PC (NPI 1366482408, East Northport, NY); Island Sports Physical Therapy Of Smithtown, P.C. (NPI 1639109770, Nesconset, NY); Island Physical Therapy Of East Setauket (NPI 1578235743, East Setauket, NY); Montefiore Medical Center (NPI 1063525152, Bronx, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** December 22, 2011
- **Other identifiers:** Medicaid 1780737551 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1225310451) · Data from the CMS NPPES public registry.