HARRIET SIEGEL BOXER M.D.
NPI 1346200771
Pediatrics in East Meadow, NY
About Harriet Siegel Boxer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HARRIET SIEGEL BOXER M.D. (NPI 1346200771) is an individual pediatrics provider in East Meadow, New York, licensed in New York (118375) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Harriet Siegel Boxer M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Harriet Boxer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
East Meadow, NY 11554
- Reassigned Medicare billing, New York enrollment
- 553 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11554 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
EAST MEADOW, NY 11554
EAST MEADOW, NY 11554
EAST MEADOW, NY 11554
EAST MEADOW, NY 11554
EAST MEADOW, NY 11554
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 Harriet Boxer's NPI number?
The NPI number for Harriet Boxer is 1346200771. It was assigned to this individual provider in the NPPES registry on March 28, 2006.
Where is Harriet Boxer located?
Harriet Boxer practices at 2201 Hempstead Tpke, East Meadow, NY 11554. The listed phone number is (516) 572-6177.
What is Harriet Boxer's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Harriet Boxer enrolled in Medicare?
Yes. Harriet Boxer is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Harriet Boxer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Harriet Boxer reassigns Medicare benefits to Nassau Health Care Corporation (East Meadow, NY). 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 Harriet Boxer'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 Harriet Boxer was last updated on April 10, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.