MR. AARON KEN KOSEKI JR. M.S., CCC-SLP
NPI 1912069188
Speech-Language Pathologist in Honolulu, HI
About Mr. Aaron Ken Koseki Jr. M.s., Ccc-slp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. AARON KEN KOSEKI JR. M.S., CCC-SLP (NPI 1912069188) is an individual speech-language pathologist provider in Honolulu, Hawaii, licensed in Hawaii (931) and active in the NPI registry since December 2006.
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)
Mr. Aaron Ken Koseki Jr. M.s., Ccc-slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Aaron Koseki reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Honolulu, HI 96825
- Reassigned Medicare billing, Hawaii enrollment
- Medicare enrollment name: A Ken Koseki Jr Ms Ccc-Slp LLC
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 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HONOLULU, HI 96825
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 Aaron Koseki's NPI number?
The NPI number for Aaron Koseki is 1912069188. It was assigned to this individual provider in the NPPES registry on December 14, 2006.
Where is Aaron Koseki located?
Aaron Koseki practices at 7192 Kalanianaole Hwy Ste A143a #142, Honolulu, HI 96825. The listed phone number is (808) 375-0615.
What is Aaron Koseki's specialty?
The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.
Is Aaron Koseki enrolled in Medicare?
Yes. Aaron Koseki is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Aaron Koseki's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Koseki reassigns Medicare benefits to A. Ken Koseki, Jr., M.S., Ccc-Slp, LLC (Honolulu, HI). 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 Aaron Koseki'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 Aaron Koseki was last updated on December 2, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.