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

Dr. Nelio Guzman Aguayo, MD

Individual provider Nephrology Physician · NPI 1124266184

Dr. Nelio Guzman Aguayo, MD is a Nephrology in Spokane, Washington. Qualified in 2003, 23 years ago. Practices with Providence Health and Services Washington, a 776-clinician group and accepts Medicare assignment. Licensed in Texas and Washington.

Years since qualifying
23
Licensed in
TX, WA
In the registry since
2009
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

105 W 8th Ave Ste 7060
Spokane, WA 99204-2302
Phone: (509) 747-2054
Fax: (509) 747-2054
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence MD60321439 (WA)
Nephrology Physician Taxonomy 207RN0300X · Licence P0396 (TX)
Pediatric Nephrology Physician Taxonomy 2080P0210X · Licence P0396 (TX)
Pediatric Nephrology Physician Taxonomy 2080P0210X · Licence MD60321439 (WA)

Record details

NPI number1124266184
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 29, 2009
Last updated in NPPESMay 25, 2021
Certification dateMay 25, 2021

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Providence Health And Services Washington — 776 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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