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MAMIKO YAMAZATO LCSW
NPI 1912934399
Social Worker in Los Alamitos, CA

Active since June 28, 2006PECOS Enrolled
5152 KATELLA AVE STE 205, LOS ALAMITOS, CA 90720(714) 299-4033 Get Directions Write a Review

NPPES record last updated: January 10, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 10, 2022, Apr 19, 2018 (2 updates tracked since 2018).

About Mamiko Yamazato Lcsw NPPES

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

MAMIKO YAMAZATO LCSW (NPI 1912934399) is an individual social worker in Los Alamitos, California, licensed in California (LCS22031) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912934399
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMAMIKO YAMAZATOCredential: LCSW
Location Address5152 KATELLA AVE STE 205Los Alamitos, CA 90720-2846
Mailing AddressPo Box 15235Long Beach, CA 90815-0235 · (714) 299-4033
Phone(714) 299-4033
Sole ProprietorNo
Enumeration DateJune 28, 2006
Last NPPES UpdateJanuary 10, 20222 updates tracked since enumeration
NPPES CertifiedJanuary 10, 2022
✔ NPI 1912934399 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in CA · LCS22031
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
5152 KATELLA AVE STE 205, Los Alamitos, CA 90720
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mamiko Yamazato Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Mamiko Yamazato reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sud Specialty Group - Ca
332 mi
Addiction Medicine
4633 OLD IRONSIDES DR STE 304
Santa Clara, CA 95054
  • Reassigned Medicare billing, California enrollment
  • 1,607 clinicians in this Medicare group
NPI 1972138238 (323) 205-7088

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 7

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

DESTINEE TORRES NP
Nurse Practitioner (Psychiatric/Mental Health)
5152 KATELLA AVE STE 205
LOS ALAMITOS, CA 90720
Orange County (714) 515-7815
CARRIE ANNE COX
Marriage & Family Therapist
5152 KATELLA AVE STE 205
LOS ALAMITOS, CA 90720
Orange County (714) 655-9341
HYUN JU LEE LMFT, PHD
Marriage & Family Therapist
5152 KATELLA AVE STE 205
LOS ALAMITOS, CA 90720
Orange County (213) 744-0060
ASPEN DYER ASW
Social Worker
5152 KATELLA AVE STE 205
LOS ALAMITOS, CA 90720
Orange County (714) 721-2060
SAMANTHA SWIFT
Social Worker
5152 KATELLA AVE STE 205
LOS ALAMITOS, CA 90720
Orange County (714) 721-2060
POPPY THERAPY, A LICENSED CLINICAL SOCIAL WORKER PC
Counselor (Mental Health)
5152 KATELLA AVE STE 205
LOS ALAMITOS, CA 90720
Orange County (510) 289-0215
NUHOPE MIND & BODY WELLNESS, PROFESSIONAL NURSING CORPORATION
Community/Behavioral Health
5152 KATELLA AVE STE 205
LOS ALAMITOS, CA 90720
Orange County (714) 515-7815

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 Mamiko Yamazato's NPI number?

The NPI number for Mamiko Yamazato is 1912934399. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Where is Mamiko Yamazato located?

Mamiko Yamazato practices at 5152 Katella Ave Ste 205, Los Alamitos, CA 90720. The listed phone number is (714) 299-4033.

What is Mamiko Yamazato's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Mamiko Yamazato enrolled in Medicare?

Yes. Mamiko Yamazato is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mamiko Yamazato's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mamiko Yamazato reassigns Medicare benefits to Sud Specialty Group - Ca (Santa Clara, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mamiko Yamazato's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mamiko Yamazato was last updated on January 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.