DR. MARIA SACHIKO YONAHARA M.D.
NPI 1841343373
Family Medicine in Kailua, HI
About Dr. Maria Sachiko Yonahara M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIA SACHIKO YONAHARA M.D. (NPI 1841343373) is an individual family medicine provider in Kailua, Hawaii, licensed in Hawaii (MD-14358) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Maria Sachiko Yonahara M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Maria Yonahara reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 96734 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 2
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 Maria Yonahara's NPI number?
The NPI number for Maria Yonahara is 1841343373. It was assigned to this individual provider in the NPPES registry on January 19, 2007.
Where is Maria Yonahara located?
Maria Yonahara practices at 602 Kailua Rd Ste 200, Kailua, HI 96734. The listed phone number is (808) 263-9100.
What is Maria Yonahara's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Maria Yonahara enrolled in Medicare?
Yes. Maria Yonahara is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Maria Yonahara's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Yonahara reassigns Medicare benefits to Straub Clinic & Hospital (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 Maria Yonahara'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 Maria Yonahara was last updated on October 10, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.