JACQUELINE MCMAHON D.O
NPI 1407234362
Family Medicine in Lindenhurst, NY
About Jacqueline Mcmahon D.o NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JACQUELINE MCMAHON D.O (NPI 1407234362) is an individual family medicine provider in Lindenhurst, New York, licensed in New York (292374) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS and maintains a secondary practice location in West Islip.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Jacqueline Mcmahon D.o is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Jacqueline Mcmahon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lindenhurst, NY 11757
- Reassigned Medicare billing, New York enrollment
- 2 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 11757 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 2
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 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 Jacqueline Mcmahon's NPI number?
The NPI number for Jacqueline Mcmahon is 1407234362. It was assigned to this individual provider in the NPPES registry on May 12, 2015.
Where is Jacqueline Mcmahon located?
Jacqueline Mcmahon practices at 290 Sunrise Hwy, Lindenhurst, NY 11757. The listed phone number is (631) 226-3600.
What is Jacqueline Mcmahon's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Jacqueline Mcmahon enrolled in Medicare?
Yes. Jacqueline Mcmahon is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Jacqueline Mcmahon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jacqueline Mcmahon reassigns Medicare benefits to (Lindenhurst, 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 Jacqueline Mcmahon'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 Jacqueline Mcmahon was last updated on September 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.