ALISA KOYAMA
NPI 1588340608
Social Worker - Clinical in Shoreline, WA
About Alisa Koyama NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALISA KOYAMA (NPI 1588340608) is an individual clinical provider in Shoreline, Washington, licensed in Oklahoma (20380) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS, is affiliated with Cherokee Nation W W Hastings Indian Hospital, and is a graduate of Other (2016).
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 and accepts Medicare assignment
Alisa Koyama 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 Reassignment
Medicare enrollment records show Alisa Koyama reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ochelata, OK 74051
- Reassigned Medicare billing, Texas enrollment
- 1,047 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cherokee Nation W W Hastings Indian Hospital
Acute Care Hospitals · Tahlequah, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98155 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Alisa Koyama's NPI number?
The NPI number for Alisa Koyama is 1588340608. It was assigned to this individual provider in the NPPES registry on June 23, 2023.
Where is Alisa Koyama located?
Alisa Koyama practices at 17701 11th Ave NE, Shoreline, WA 98155. The listed phone number is (415) 310-1461.
What is Alisa Koyama's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Alisa Koyama enrolled in Medicare?
Yes. Alisa Koyama 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 organization bills Medicare for Alisa Koyama's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alisa Koyama reassigns Medicare benefits to Cherokee Nation (Ochelata, OK). 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 Alisa Koyama's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alisa Koyama affiliated with any hospitals?
According to CMS data, Alisa Koyama is affiliated with Cherokee Nation W W Hastings Indian Hospital.
When was this NPI record last updated?
The NPPES record for Alisa Koyama was last updated on June 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.