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 Koloa, HI

Q: 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.

Q: What is Jonathan Leong's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Jonathan Leong was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 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 September 10, 2020

2-4131 KAUMUALII HWY, KOLOA, HI 96756(808) 652-9190 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 10, 2026, Mar 10, 2025, Sep 10, 2020 (3 updates tracked since 2020).

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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 Koloa, Hawaii, licensed in Washington (LH61539130) and active in the NPI registry since September 2020. He maintains a secondary practice location in Sammamish.

NPPES Registry Identity

NPI1891300562

Entity TypeIndividualMale

Primary Taxonomy101YM0800X

Provider Legal NameMR. JONATHAN DAVID LEONGCredential: MA, LMHC

Location Address2-4131 KAUMUALII HWYKoloa, HI 96756

Mailing Address2830 228th Ave SeSammamish, WA 98075-9300 · (425) 780-5294 · Fax (425) 677-7753

Phone(808) 652-9190

Sole ProprietorYes

Enumeration DateSeptember 10, 2020

Last NPPES UpdateJuly 10, 20263 updates tracked since enumeration

NPPES CertifiedJuly 10, 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

2-4131 KAUMUALII HWY, Koloa, HI 96756

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Other Names 1

Other Name (5)Mr. Jon Leong

Secondary Practice Location 1

Location 12830 228th Ave SESammamish, WA 98075-9300 · Phone (425) 780-5294 · Fax (425) 677-7753

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 2-4131 Kaumualii Hwy, Koloa, HI 96756. 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 July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 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.