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

SASHA MATSUSAKA
NPI 1790660231
Counselor - Professional in Mission Viejo, CA

Q: What is Sasha Matsusaka's NPI number?

The NPI number for Sasha Matsusaka is 1790660231. It was assigned to this individual provider in the NPPES registry on August 6, 2025.

Q: What is Sasha Matsusaka's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Q: When was this NPI record last updated?

The NPPES record for Sasha Matsusaka was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 August 06, 2025

23361 MADERO STE 247, MISSION VIEJO, CA 92691(949) 357-7066 Get Directions Write a Review

NPPES record last updated: September 16, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 16, 2026, Aug 6, 2025 (2 updates tracked since 2025).

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About Sasha Matsusaka NPPES

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

SASHA MATSUSAKA (NPI 1790660231) is an individual professional provider in Mission Viejo, California and active in the NPI registry since August 2025. She maintains a secondary practice location in Laguna Beach.

NPPES Registry Identity

NPI1790660231

Entity TypeIndividualFemale

Primary Taxonomy101YP2500X

Provider Legal NameSASHA MATSUSAKA

Location Address23361 MADERO STE 247Mission Viejo, CA 92691-2715

Mailing Address1755 Sherington Pl Apt W310Newport Beach, CA 92663-6072 · (661) 965-5652

Phone(949) 357-7066

Sole ProprietorNo

Enumeration DateAugust 6, 2025

Last NPPES UpdateSeptember 16, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 16, 2026

✔ NPI 1790660231 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers

Taxonomy Code101YP2500X

23361 MADERO STE 247, Mission Viejo, CA 92691

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Secondary Practice Location 1

Location 11968 S Coast Hwy Ste 1390Laguna Beach, CA 92651-3681 · Phone (800) 430-4490

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 Sasha Matsusaka's NPI number?

The NPI number for Sasha Matsusaka is 1790660231. It was assigned to this individual provider in the NPPES registry on August 6, 2025.

Where is Sasha Matsusaka located?

Sasha Matsusaka practices at 23361 Madero Ste 247, Mission Viejo, CA 92691. The listed phone number is (949) 357-7066.

What is Sasha Matsusaka's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for Sasha Matsusaka was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.