KATE ASHLEY MAZUR RN, CPNP
NPI 1205068830
Nurse Practitioner - Pediatrics in Washington, DC
About Kate Ashley Mazur Rn, Cpnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATE ASHLEY MAZUR RN, CPNP (NPI 1205068830) is an individual pediatrics provider in Washington, District Of Columbia, licensed in District Of Columbia (PENDING) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS, maintains a secondary practice location in Houston, and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
Kate Ashley Mazur Rn, Cpnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Kate Mazur reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 1,417 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 20010 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.
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
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 Kate Mazur's NPI number?
The NPI number for Kate Mazur is 1205068830. It was assigned to this individual provider in the NPPES registry on August 15, 2009.
Where is Kate Mazur located?
Kate Mazur practices at 111 Michigan Ave NW, Washington, DC 20010. The listed phone number is (202) 476-5000.
What is Kate Mazur's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Kate Mazur enrolled in Medicare?
Yes. Kate Mazur is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Kate Mazur's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kate Mazur reassigns Medicare benefits to Children's Hospital (Washington, DC). 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 Kate Mazur'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 Kate Mazur was last updated on June 20, 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.