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
Mailing address406 S 30th Ave, Suite 202, Yakima, WA 98902-3713

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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