PEGGY MCCORMACK NP
NPI 1770602864
Nurse Practitioner in Manhasset, NY
About Peggy Mccormack Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PEGGY MCCORMACK NP (NPI 1770602864) is an individual nurse practitioner in Manhasset, New York, licensed in New York (F302966) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Peggy Mccormack Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Peggy Mccormack reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 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 15
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
MANHASSET, NY 11030
MANHASSET, NY 11030
MANHASSET, NY 11030
MANHASSET, NY 11030
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 Peggy Mccormack's NPI number?
The NPI number for Peggy Mccormack is 1770602864. It was assigned to this individual provider in the NPPES registry on March 28, 2007.
Where is Peggy Mccormack located?
Peggy Mccormack practices at 300 Community Dr, Manhasset, NY 11030. The listed phone number is (516) 562-4970.
What is Peggy Mccormack's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Peggy Mccormack enrolled in Medicare?
Yes. Peggy Mccormack is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Peggy Mccormack's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peggy Mccormack reassigns Medicare benefits to North Shore-Lij Medical PC (Great Neck, 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 Peggy Mccormack'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 Peggy Mccormack was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.