Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

COSMOS TEXAN BUENDASI DNP-FNP
NPI 1306794441
Nurse Practitioner in Renton, WA

Q: What is Cosmos Buendasi's NPI number?

The NPI number for Cosmos Buendasi is 1306794441. It was assigned to this individual provider in the NPPES registry on March 16, 2026.

Q: What is Cosmos Buendasi's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Cosmos Buendasi was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 days 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.

Active since March 16, 2026PECOS Enrolled

16200 116TH AVE SE, RENTON, WA 98058(425) 400-1899(425) 663-8000 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jul 17, 2026, Mar 16, 2026 (2 updates tracked since 2026).

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About Cosmos Texan Buendasi Dnp-fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

COSMOS TEXAN BUENDASI DNP-FNP (NPI 1306794441) is an individual nurse practitioner in Renton, Washington, licensed in Washington (AP70111670) and active in the NPI registry since March 2026. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1306794441

Entity TypeIndividualMale

Primary Taxonomy363L00000X

Provider Legal NameCOSMOS TEXAN BUENDASICredential: DNP-FNP

Location Address16200 116TH AVE SERenton, WA 98058-5200

Mailing Address955 Powell Ave SwRenton, WA 98057-2908 · (425) 277-1311 · Fax (425) 277-1566

Phone(425) 400-1899

Fax(425) 663-8000

Sole ProprietorNo

Enumeration DateMarch 16, 2026

Last NPPES UpdateJuly 17, 20262 updates tracked since enumeration

NPPES CertifiedJuly 17, 2026

✔ NPI 1306794441 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in WA · AP70111670

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedRegistered NurseTaxonomy 163W00000X · License RN61066506 (WA)

16200 116TH AVE SE, Renton, WA 98058

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cosmos Texan Buendasi Dnp-fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98058 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$97.43 typical visit price

range $63.67 – $189.37

Typical copayment $24.35 (range $15.91 – $47.34)

Most-billed visit code 99203

Established Patient

$111.00 typical visit price

range $21.12 – $155.00

Typical copayment $27.75 (range $5.28 – $38.75)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ADRIAN JOSEPH CORTEZ NAVA

Nurse Practitioner