MASAFUMI SATO M.D.
NPI 1821291998
Emergency Medicine in Honolulu, HI
About Masafumi Sato M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MASAFUMI SATO M.D. (NPI 1821291998) is an individual emergency medicine provider in Honolulu, Hawaii, licensed in Hawaii (16810) and active in the NPI registry since June 2007. He 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)
Masafumi Sato M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Masafumi Sato reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Honolulu, HI 96826
- Reassigned Medicare billing, Hawaii enrollment
- 55 clinicians in this Medicare group
Honolulu, HI 96826
- Reassigned Medicare billing, Hawaii enrollment
- 370 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HONOLULU, HI 96826
HONOLULU, HI 96826
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 Masafumi Sato's NPI number?
The NPI number for Masafumi Sato is 1821291998. It was assigned to this individual provider in the NPPES registry on June 7, 2007.
Where is Masafumi Sato located?
Masafumi Sato practices at 1319 Punahou St, Honolulu, HI 96826. The listed phone number is (808) 963-6000.
What is Masafumi Sato's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Masafumi Sato enrolled in Medicare?
Yes. Masafumi Sato is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Masafumi Sato's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Masafumi Sato reassigns Medicare benefits to 2 organizations: Emergency Medicine Physicians Of Honolulu Kapiolani, LLC (Honolulu, HI) and Kapiolani Medical Specialists (Honolulu, 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 Masafumi Sato'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 Masafumi Sato was last updated on February 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.