MS. CATHERINE LOUISE UNDERWOOD MSN, APRN, FNP-BC
NPI 1114674538
Nurse Practitioner - Family in Honolulu, HI
About Ms. Catherine Louise Underwood Msn, Aprn, Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. CATHERINE LOUISE UNDERWOOD MSN, APRN, FNP-BC (NPI 1114674538) is an individual family provider in Honolulu, Hawaii, licensed in Hawaii (APRN-3561) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Catherine Louise Underwood Msn, Aprn, Fnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Catherine Underwood reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Honolulu, HI 96813
- Reassigned Medicare billing, Hawaii enrollment
- 74 clinicians in this Medicare group
Kaneohe, HI 96744
- Reassigned Medicare billing, Hawaii enrollment
- Medicare enrollment name: Minuteclinic Diagnostic Of Hawaii, LLC
- 71 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 96826 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HONOLULU, HI 96826
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 Catherine Underwood's NPI number?
The NPI number for Catherine Underwood is 1114674538. It was assigned to this individual provider in the NPPES registry on March 5, 2022.
Where is Catherine Underwood located?
Catherine Underwood practices at 2470 S King St, Honolulu, HI 96826. The listed phone number is (808) 947-2651.
What is Catherine Underwood's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Catherine Underwood enrolled in Medicare?
Yes. Catherine Underwood is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Catherine Underwood's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Underwood reassigns Medicare benefits to 2 organizations: University Clinical Education & Research Associates (Honolulu, HI) and Minuteclinic Diagnostic Of Hawaii, L.L.C. (Kaneohe, HI). 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 Catherine Underwood'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 Catherine Underwood was last updated on March 7, 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.