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

MR. JONATHAN DAVID LEONG MA, LMHC
NPI 1891300562
Counselor - Mental Health in Lihue, HI

Active since September 10, 2020
4371 PUAOLE ST STE C, LIHUE, HI 96766(808) 652-9190 Get Directions Write a Review

NPPES record last updated: August 15, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 15, 2026, Jul 10, 2026, Mar 10, 2025 and 1 more (4 updates tracked since 2020).

About Mr. Jonathan David Leong Ma, Lmhc NPPES

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

MR. JONATHAN DAVID LEONG MA, LMHC (NPI 1891300562) is an individual mental health provider in Lihue, Hawaii, licensed in Washington (LH61539130) and active in the NPI registry since September 2020. He maintains 3 additional practice locations.

NPPES Registry Identity

NPI1891300562
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMR. JONATHAN DAVID LEONGCredential: MA, LMHC
Location Address4371 PUAOLE ST STE CLihue, HI 96766-1275
Mailing Address295 Ne Gilman Blvd Ste 201Issaquah, WA 98027-2906 · (425) 780-5294 · Fax (425) 677-7753
Phone(808) 652-9190
Sole ProprietorYes
Enumeration DateSeptember 10, 2020
Last NPPES UpdateAugust 15, 20264 updates tracked since enumeration
NPPES CertifiedAugust 15, 2026
✔ NPI 1891300562 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
Licenses✔ Licensed in WA · LH61539130✔ Licensed in HI · MHC1102
4371 PUAOLE ST STE C, Lihue, HI 96766
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Other Names 1

Other Name (5)Mr. Jon Leong

Secondary Practice Locations 3

Location 12830 228th Ave SESammamish, WA 98075-9300 · Phone (425) 780-5294 · Fax (425) 677-7753
Location 22-4131 Kaumualii HwyKoloa, HI 96756 · Phone (808) 652-9190
Location 3295 NE Gilman Blvd Ste 201Issaquah, WA 98027-2906 · Phone (425) 780-5294 · Fax (425) 677-7753

Other Providers at the Same Location NPPES 2

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

GRACIA J ALVES
Counselor (Mental Health)
4371 PUAOLE ST STE C
LIHUE, HI 96766
Kauai County (808) 282-6050
GRACE AND JOY THERAPY, LLC
Clinic/Center (Mental Health (Including Community Mental Health Center))
4371 PUAOLE ST STE C
LIHUE, HI 96766
Kauai County (808) 282-6050

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 Jonathan Leong's NPI number?

The NPI number for Jonathan Leong is 1891300562. It was assigned to this individual provider in the NPPES registry on September 10, 2020. The provider is also known as Mr. Jon Leong.

Where is Jonathan Leong located?

Jonathan Leong practices at 4371 Puaole St Ste C, Lihue, HI 96766. The listed phone number is (808) 652-9190.

What is Jonathan Leong'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 Jonathan Leong was last updated on August 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.