MARIE K. YAMAMOTOYA MD
NPI 1487732111
Family Medicine in Fairfield, CA
About Marie K. Yamamotoya Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIE K. YAMAMOTOYA MD (NPI 1487732111) is an individual family medicine provider in Fairfield, California, licensed in California (A61112) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, is affiliated with The Queens Medical Center, and is a graduate of University Of Washington School Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Marie K. Yamamotoya Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 5
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
The Queens Medical Center
Acute Care Hospitals · Honolulu, HIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94534 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.
FAIRFIELD, CA 94534
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 Marie Yamamotoya's NPI number?
The NPI number for Marie Yamamotoya is 1487732111. It was assigned to this individual provider in the NPPES registry on November 1, 2006.
Where is Marie Yamamotoya located?
Marie Yamamotoya practices at 470 Chadbourne Rd Ste A, Fairfield, CA 94534. The listed phone number is (707) 419-8989.
What is Marie Yamamotoya's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Marie Yamamotoya enrolled in Medicare?
Yes. Marie Yamamotoya is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Is Marie Yamamotoya affiliated with any hospitals?
According to CMS data, Marie Yamamotoya is affiliated with The Queens Medical Center.
When was this NPI record last updated?
The NPPES record for Marie Yamamotoya was last updated on January 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.