DR. MICHAEL J. K. SHIGEMASA M.D.
NPI 1629237961
Anesthesiology in Honolulu, HI
About Dr. Michael J. K. Shigemasa M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL J. K. SHIGEMASA M.D. (NPI 1629237961) is an individual anesthesiology provider in Honolulu, Hawaii, licensed in Hawaii (MD-15356) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Michael J. K. Shigemasa M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Michael Shigemasa reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Honolulu, HI 96819
- Reassigned Medicare billing, Hawaii enrollment
- 1,187 clinicians in this Medicare group
Honolulu, HI 96813
- Reassigned Medicare billing, Hawaii enrollment
- 664 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.
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.
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 Michael Shigemasa's NPI number?
The NPI number for Michael Shigemasa is 1629237961. It was assigned to this individual provider in the NPPES registry on June 2, 2008.
Where is Michael Shigemasa located?
Michael Shigemasa practices at 3288 Moanalua Rd, Honolulu, HI 96819. The listed phone number is (808) 432-0000.
What is Michael Shigemasa's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Michael Shigemasa enrolled in Medicare?
Yes. Michael Shigemasa is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Michael Shigemasa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Shigemasa reassigns Medicare benefits to 2 organizations: Hawaii Permanente Medical Group Inc (Honolulu, HI) and Straub Clinic & Hospital (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 Michael Shigemasa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Shigemasa accept?
Health plans from Kaiser Permanente list Michael Shigemasa as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Michael Shigemasa was last updated on March 23, 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.