KATHRYN MARTIN
NPI 1104297506
Surgery - Pediatric Surgery in Hawthorne, NY
About Kathryn Martin NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHRYN MARTIN (NPI 1104297506) is an individual pediatric surgery provider in Hawthorne, New York, licensed in New York (313770) and active in the NPI registry since October 2015. She is enrolled in Medicare PECOS.
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 (PECOS)
Kathryn Martin is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Kathryn Martin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Valhalla, NY 10595
- Reassigned Medicare billing, New York enrollment
- 1,663 clinicians in this Medicare group
Hershey, PA 17033
- Reassigned Medicare billing, Pennsylvania enrollment
- 2,216 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.
Other Providers at the Same Location NPPES
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 Kathryn Martin's NPI number?
The NPI number for Kathryn Martin is 1104297506. It was assigned to this individual provider in the NPPES registry on October 12, 2015.
Where is Kathryn Martin located?
Kathryn Martin practices at 19 Bradhurst Ave Ste 3050N, Hawthorne, NY 10532. The listed phone number is (914) 775-5437.
What is Kathryn Martin's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.
Is Kathryn Martin enrolled in Medicare?
Yes. Kathryn Martin is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Kathryn Martin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Martin reassigns Medicare benefits to 2 organizations: Westchester Medical Center Advanced Physician Services PC (Valhalla, NY) and The Milton S Hershey Medical Center Physicians Group (Hershey, PA). 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 Kathryn Martin'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 Kathryn Martin was last updated on June 27, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.