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WILLIAM CORY MARTINEAU LCPC
NPI 1245849223
Counselor - Mental Health in Boise, ID

Active since July 27, 2020Opted out of Medicare · through Jan 1, 2028
6428 W INTERCHANGE LN, #5, BOISE, ID 83709(208) 398-0009 Get Directions Write a Review

NPPES record last updated: March 16, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 16, 2026, Dec 20, 2022, Jul 27, 2020 (3 updates tracked since 2020).

About William Cory Martineau Lcpc NPPES

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

WILLIAM CORY MARTINEAU LCPC (NPI 1245849223) is an individual mental health provider in Boise, Idaho, licensed in Idaho (8331017) and active in the NPI registry since July 2020. He has opted out of Medicare through January 1, 2028.

NPPES Registry Identity

NPI1245849223
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameWILLIAM CORY MARTINEAUCredential: LCPC
Location Address6428 W INTERCHANGE LN, #5Boise, ID 83709
Mailing Address6428 W Interchange LnBoise, ID 83709-1144 · (208) 398-0009
Phone(208) 398-0009
Sole ProprietorYes
Enumeration DateJuly 27, 2020
Last NPPES UpdateMarch 16, 20263 updates tracked since enumeration
NPPES CertifiedMarch 16, 2026
✔ NPI 1245849223 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in ID · 8331017
6428 W INTERCHANGE LN, Boise, ID 83709
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

William Cory Martineau Lcpc has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2024 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2024
Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES

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

CRYSTAL IPSEN LPC
Counselor
6428 W INTERCHANGE LN
BOISE, ID 83709
Ada County (208) 639-2850

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 William Martineau's NPI number?

The NPI number for William Martineau is 1245849223. It was assigned to this individual provider in the NPPES registry on July 27, 2020.

Where is William Martineau located?

William Martineau practices at 6428 W Interchange Ln #5, Boise, ID 83709. The listed phone number is (208) 398-0009.

What is William Martineau's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is William Martineau enrolled in Medicare?

No. William Martineau has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for William Martineau was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.