MISS MARI ELIZABETH YAMAMOTO PHD
NPI 1649529496
Psychologist - Clinical in Seattle, WA
About Miss Mari Elizabeth Yamamoto Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MISS MARI ELIZABETH YAMAMOTO PHD (NPI 1649529496) is an individual clinical provider in Seattle, Washington, licensed in Washington (PY60749863) and active in the NPI registry since September 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in Seattle, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Miss Mari Elizabeth Yamamoto Phd 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.
Medicare Billing Reassignments
2Medicare enrollment records show Mari Yamamoto reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 clinicians in this Medicare group
Cambridge, MA 02139
- Reassigned Medicare billing, Massachusetts enrollment
- 362 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
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 98125 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
SEATTLE, WA 98125
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 Mari Yamamoto's NPI number?
The NPI number for Mari Yamamoto is 1649529496. It was assigned to this individual provider in the NPPES registry on September 6, 2012.
Where is Mari Yamamoto located?
Mari Yamamoto practices at 314 NE Thornton Pl, Seattle, WA 98125. The listed phone number is (206) 520-5000.
What is Mari Yamamoto's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Mari Yamamoto enrolled in Medicare?
Yes. Mari Yamamoto 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.
Which organizations bill Medicare for Mari Yamamoto's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mari Yamamoto reassigns Medicare benefits to 2 organizations: The Association Of University Physicians (Seattle, WA) and Cambridge Public Health Commission (Cambridge, MA). 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 Mari Yamamoto's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mari Yamamoto accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Mari Yamamoto 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 Mari Yamamoto was last updated on August 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Miss Mari Elizabeth Yamamoto, PHD · NPI 1649529496
Clinical provider in Seattle, Washington. Individual provider, active in the CMS NPPES registry since September 6, 2012.
## Identity
- **NPI:** 1649529496 (Entity type: Individual)
- **Enumerated:** September 6, 2012
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** PY60749863 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 314 NE THORNTON PL, Seattle, WA 98125-9000
- **Phone:** (206) 520-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): The Association Of University Physicians (NPI 1023041159, Seattle, WA); Cambridge Public Health Commission (NPI 1487603585, Cambridge, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** August 2, 2021
- **Other identifiers:** Medicaid 1649529496 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1649529496) · Data from the CMS NPPES public registry.