ETHAN ESTOOS MD
NPI 1609306828
Internal Medicine - Critical Care Medicine in Kennewick, WA
About Ethan Estoos Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ETHAN ESTOOS MD (NPI 1609306828) is an individual critical care medicine provider in Kennewick, Washington, licensed in Washington (MD61245243) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Trios Health, and maintains a secondary practice location in Corvallis.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Ethan Estoos 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.
Medicare Billing Reassignments
2Medicare enrollment records show Ethan Estoos reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kennewick, WA 99338
- Reassigned Medicare billing, Washington enrollment
- 159 clinicians in this Medicare group
Las Cruces, NM 88011
- Reassigned Medicare billing, Washington enrollment
- 116 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Trios Health
Acute Care Hospitals · Kennewick, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 99338 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.
KENNEWICK, WA 99338
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 Ethan Estoos's NPI number?
The NPI number for Ethan Estoos is 1609306828. It was assigned to this individual provider in the NPPES registry on June 20, 2017.
Where is Ethan Estoos located?
Ethan Estoos practices at 3810 Plaza Way, Kennewick, WA 99338. The listed phone number is (509) 221-5980.
What is Ethan Estoos's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Ethan Estoos enrolled in Medicare?
Yes. Ethan Estoos 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 Ethan Estoos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ethan Estoos reassigns Medicare benefits to 2 organizations: Rcch Trios Health LLC (Kennewick, WA) and Northwest Hospital Medicine Physicians LLC (Las Cruces, NM). 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 Ethan Estoos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ethan Estoos accept?
Health plans from Ambetter Health list Ethan Estoos 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.
Is Ethan Estoos affiliated with any hospitals?
According to CMS data, Ethan Estoos is affiliated with Trios Health.
When was this NPI record last updated?
The NPPES record for Ethan Estoos was last updated on September 12, 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.
# Ethan Estoos, MD · NPI 1609306828
Critical Care Medicine physician in Kennewick, Washington. Individual provider, active in the CMS NPPES registry since June 20, 2017.
## Identity
- **NPI:** 1609306828 (Entity type: Individual)
- **Enumerated:** June 20, 2017
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** MD61245243 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 3810 PLAZA WAY, Kennewick, WA 99338-2722
- **Phone:** (509) 221-5980
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Rcch Trios Health LLC (NPI 1831682806, Kennewick, WA); Northwest Hospital Medicine Physicians LLC (NPI 1972056752, Las Cruces, NM) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loyola University Of Chicago, Stritch School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** September 12, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1609306828) · Data from the CMS NPPES public registry.