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

WILLIAM DOUGLAS KEMPER
NPI 1528997228
Counselor - Mental Health in Meridian, ID

Active since May 18, 2026
324 S MERIDIAN RD STE 24, MERIDIAN, ID 83642(208) 941-5435 Get Directions Write a Review

NPPES record last updated: October 1, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Oct 1, 2026, May 18, 2026 (2 updates tracked since 2026).

About William Douglas Kemper NPPES

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

WILLIAM DOUGLAS KEMPER (NPI 1528997228) is an individual mental health provider in Meridian, Idaho and active in the NPI registry since May 2026.

NPPES Registry Identity

NPI1528997228
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameWILLIAM DOUGLAS KEMPER
Location Address324 S MERIDIAN RD STE 24Meridian, ID 83642-2900
Mailing Address1817 E Pineridge DrBoise, ID 83716-6621
Sole ProprietorYes
Enumeration DateMay 18, 2026
Last NPPES UpdateOctober 1, 20262 updates tracked since enumeration
NPPES CertifiedOctober 1, 2026
✔ NPI 1528997228 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
Also ListedCounselor · ProfessionalTaxonomy 101YP2500X · License 6281230 (ID)
324 S MERIDIAN RD STE 24, Meridian, ID 83642

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 Kemper's NPI number?

The NPI number for William Kemper is 1528997228. It was assigned to this individual provider in the NPPES registry on May 18, 2026.

Where is William Kemper located?

William Kemper practices at 324 S Meridian Rd Ste 24, Meridian, ID 83642. The listed phone number is (208) 941-5435.

What is William Kemper's specialty?

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

When was this NPI record last updated?

The NPPES record for William Kemper was last updated on October 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.