JOHN DEWAYNE POWELL CRNA
NPI 1457652679
Nurse Anesthetist, Certified Registered in Yakima, WA
About John Dewayne Powell Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN DEWAYNE POWELL CRNA (NPI 1457652679) is an individual nurse anesthetist, certified registered in Yakima, Washington, licensed in Washington (AP60197964) and active in the NPI registry since November 2010. He is affiliated with Legacy Silverton Medical Center and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses 2
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
John Dewayne Powell Crna 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 John Powell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Molalla, OR 97038
- Reassigned Medicare billing, Oregon enrollment
- 568 clinicians in this Medicare group
Mill City, OR 97360
- Reassigned Medicare billing, Oregon enrollment
- 152 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.
Legacy Silverton Medical Center
Acute Care Hospitals · Silverton, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98902 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.
YAKIMA, WA 98902
YAKIMA, WA 98902
YAKIMA, WA 98902
YAKIMA, WA 98902
YAKIMA, WA 98902
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 John Powell's NPI number?
The NPI number for John Powell is 1457652679. It was assigned to this individual provider in the NPPES registry on November 4, 2010.
Where is John Powell located?
John Powell practices at 406 S 30th Ave Suite 202, Yakima, WA 98902. The listed phone number is (509) 972-1051.
What is John Powell's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is John Powell enrolled in Medicare?
Yes. John Powell 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 John Powell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Powell reassigns Medicare benefits to 2 organizations: Silverton Health (Molalla, OR) and Santiam Memorial Hospital (Mill City, OR). 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 John Powell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Powell affiliated with any hospitals?
According to CMS data, John Powell is affiliated with Legacy Silverton Medical Center.
When was this NPI record last updated?
The NPPES record for John Powell was last updated on December 28, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# John Dewayne Powell, CRNA · NPI 1457652679
Nurse Anesthetist, Certified Registered physician in Yakima, Washington. Individual provider, active in the CMS NPPES registry since November 4, 2010.
## Identity
- **NPI:** 1457652679 (Entity type: Individual)
- **Enumerated:** November 4, 2010
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** AP60197964 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 406 S 30TH AVE, SUITE 202, Yakima, WA 98902-3713
- **Phone:** (509) 972-1051 · **Fax:** (509) 972-4166
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Silverton Health (NPI 1861116055, Molalla, OR); Santiam Memorial Hospital (NPI 1205048097, Mill City, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** December 28, 2010
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Source: [NPI Profile](https://npiprofile.com/npi/1457652679) · Data from the CMS NPPES public registry.