MR. LEWIS JONATHAN MASON MA
NPI 1336389329
Counselor - Mental Health in Oak Harbor, WA

Q: What is Lewis Mason's NPI number?

The NPI number for Lewis Mason is 1336389329. It was assigned to this individual provider in the NPPES registry on March 3, 2009. The provider is also known as L. John Mason Ma.

Q: What is Lewis Mason'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 Lewis Mason was last updated on March 3, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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 March 03, 2009

1258 EAGLE CREST DR, OAK HARBOR, WA 98277(360) 593-3833 Get Directions Write a Review

NPPES record last updated: March 3, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Mr. Lewis Jonathan Mason Ma NPPES

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

MR. LEWIS JONATHAN MASON MA (NPI 1336389329) is an individual mental health provider in Oak Harbor, Washington, licensed in Washington (RC 60072751) and active in the NPI registry since March 2009.

NPPES Registry Identity

NPI1336389329

Entity TypeIndividualMale

Primary Taxonomy101YM0800X

Provider Legal NameMR. LEWIS JONATHAN MASONCredential: MA

Location Address1258 EAGLE CREST DROak Harbor, WA 98277-8492

Mailing Address1258 Eagle Crest DrOak Harbor, WA 98277-8492 · (360) 593-3833

Phone(360) 593-3833

Sole ProprietorYes

Enumeration DateMarch 3, 2009

✔ NPI 1336389329 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 WA · RC 60072751

1258 EAGLE CREST DR, Oak Harbor, WA 98277

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Other Names 1

Professional Name (2)L. John Mason Ma

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 Lewis Mason's NPI number?

The NPI number for Lewis Mason is 1336389329. It was assigned to this individual provider in the NPPES registry on March 3, 2009. The provider is also known as L. John Mason Ma.

Where is Lewis Mason located?

Lewis Mason practices at 1258 Eagle Crest Dr, Oak Harbor, WA 98277. The listed phone number is (360) 593-3833.

What is Lewis Mason'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 Lewis Mason was last updated on March 3, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.