MS. KATHY H DER FNP
NPI 1245541325
Nurse Practitioner - Family in Lowville, NY
About Ms. Kathy H Der Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KATHY H DER FNP (NPI 1245541325) is an individual family provider in Lowville, New York, licensed in New York (F336327-1) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS and maintains a secondary practice location in Carthage.
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)
Ms. Kathy H Der Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Kathy Der reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lowville, NY 13367
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Lewis County
- Also billed through NPI 1982954178 (New York), NPI 1790857308 (New York)
- 50 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 4
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 13367 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 13
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 9
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 Kathy Der's NPI number?
The NPI number for Kathy Der is 1245541325. It was assigned to this individual provider in the NPPES registry on June 23, 2010.
Where is Kathy Der located?
Kathy Der practices at 7785 N State St Fl 3, Lowville, NY 13367. The listed phone number is (315) 376-5287.
What is Kathy Der's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Kathy Der enrolled in Medicare?
Yes. Kathy Der is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Kathy Der's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathy Der reassigns Medicare benefits to Lewis County General Hospital (Lowville, 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 Kathy Der'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 Kathy Der was last updated on August 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.