MERCEDES DEMARTINI
NPI 1164075800
Speech-Language Pathologist in Spokane, WA

Q: What is Mercedes Demartini's NPI number?

The NPI number for Mercedes Demartini is 1164075800. It was assigned to this individual provider in the NPPES registry on July 22, 2019.

Q: What is Mercedes Demartini's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Active since July 22, 2019

528 E SPOKANE FALLS BLVD STE 29B, SPOKANE, WA 99202(509) 435-0481 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 3, 2026, Jun 3, 2021, Sep 14, 2020 and 1 more (4 updates tracked since 2019).

On this page

About Mercedes Demartini NPPES

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

MERCEDES DEMARTINI (NPI 1164075800) is an individual speech-language pathologist provider in Spokane, Washington, licensed in Washington (LL61077307) and active in the NPI registry since July 2019. She maintains 3 additional practice locations and is a graduate of Other (2019).

NPPES Registry Identity

NPI1164075800

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameMERCEDES DEMARTINI

Location Address528 E SPOKANE FALLS BLVD STE 29BSpokane, WA 99202-5904

Mailing Address528 E Spokane Falls Blvd Ste 29bSpokane, WA 99202-5904 · (509) 435-0481

Phone(509) 435-0481

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateJuly 22, 2019

Last NPPES UpdateAugust 3, 20264 updates tracked since enumeration

NPPES CertifiedAugust 3, 2026

✔ NPI 1164075800 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers

Taxonomy Code235Z00000X

Licenses✔ Licensed in WA · LL61077307✔ Licensed in ID · TSLP-3945

Definition

The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.

528 E SPOKANE FALLS BLVD STE 29B, Spokane, WA 99202

Open in Google Maps ↗

Secondary Practice Locations 3

Location 1310 N Riverpoint BlvdSpokane, WA 99202-1610 · Phone (509) 505-7481

Location 26588 N Cornwall StCoeur D Alene, ID 83815-5063 · Phone (415) 250-5698

Location 3411 W Haycraft Ave Ste D4Coeur D Alene, ID 83815-8104 · Phone (208) 644-2468

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mercedes Demartini is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6204308034

PECOS Enrollment IDI20260612001576

Medicare Billing Reassignment

Medicare enrollment records show Mercedes Demartini reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Washington State University

0.3 mi

Multi-Specialty

310 N RIVERPOINT BLVD
Spokane, WA 99202

Reassigned Medicare billing, Washington enrollment
7 clinicians in this Medicare group

NPI 1811726193 (509) 505-7481

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 3

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

DAVID CLINE CCC-SLP

Speech-Language Pathologist

528 E SPOKANE FALLS BLVD STE 29B
SPOKANE, WA 99202

Spokane County (509) 435-0481

SOPHIA LAUREEN JAMES MOTR/L

Occupational Therapist (Pediatrics)

528 E SPOKANE FALLS BLVD STE 29B
SPOKANE, WA 99202

Spokane County (509) 435-0481

MISS RETA RENEE HATTON OTD, OTR/L

Occupational Therapist (Pediatrics)

528 E SPOKANE FALLS BLVD STE 29B
SPOKANE, WA 99202

Spokane County (509) 435-0481

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 Mercedes Demartini's NPI number?

The NPI number for Mercedes Demartini is 1164075800. It was assigned to this individual provider in the NPPES registry on July 22, 2019.

Where is Mercedes Demartini located?

Mercedes Demartini practices at 528 E Spokane Falls Blvd Ste 29B, Spokane, WA 99202. The listed phone number is (509) 435-0481.

What is Mercedes Demartini's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is Mercedes Demartini enrolled in Medicare?

Yes. Mercedes Demartini is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mercedes Demartini's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mercedes Demartini reassigns Medicare benefits to Washington State University (Spokane, WA). The 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 Mercedes Demartini's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mercedes Demartini accept?

Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Mercedes Demartini as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mercedes Demartini was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.