Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

John Dewayne Powell, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1457652679

John Dewayne Powell, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Yakima, Washington. Qualified in 2010, 16 years ago. Practices with Silverton Health, a 146-clinician group and accepts Medicare assignment. Licensed in New York and Washington.

Years since qualifying
16
Licensed in
NY, WA
In the registry since
2010
Specialties on file
2
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

406 S 30th Ave Ste 202
Yakima, WA 98902-3713
Phone: (509) 972-1051
Fax: (509) 972-4166
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence AP60197964 (WA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence 085546 (NY)

Record details

NPI number1457652679
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedNovember 4, 2010
Last updated in NPPESDecember 28, 2010

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Silverton Health — 146 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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