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MS. YIN CHUN SIU LMFT
NPI 1255540118
Marriage & Family Therapist in Berkeley, CA

Active since May 21, 2007PECOS Enrolled
2640 MARTIN LUTHER KING JR WAY, BERKELEY, CA 94704(510) 981-5290(510) 981-5265 Get Directions Write a Review

NPPES record last updated: May 9, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ms. Yin Chun Siu Lmft NPPES

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

MS. YIN CHUN SIU LMFT (NPI 1255540118) is an individual marriage & family therapist in Berkeley, California, licensed in California (49715) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2003).

NPPES Registry Identity

NPI1255540118
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMS. YIN CHUN SIUCredential: LMFT
Location Address2640 MARTIN LUTHER KING JR WAYBerkeley, CA 94704-3238
Mailing Address2640 Martin Luther King Jr WayBerkeley, CA 94704-3238 · (510) 981-5290 · Fax (510) 981-5265
Phone(510) 981-5290
Fax(510) 981-5265
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateMay 21, 2007
Last NPPES UpdateMay 9, 2023
NPPES CertifiedMay 9, 2023
✔ NPI 1255540118 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · 49715
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
2640 MARTIN LUTHER KING JR WAY, Berkeley, CA 94704
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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)

Ms. Yin Chun Siu Lmft is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8527548213
PECOS Enrollment IDI20260212001967
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 Yin Siu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

City Of Berkeley
Same address
Mental Health (Including Community Mental Health Center)
2640 MARTIN LUTHER KING JR WAY
Berkeley, CA 94704
  • Reassigned Medicare billing, California enrollment
  • 30 clinicians in this Medicare group
NPI 1215963699 (510) 981-5290

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 20

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

MARGARET SUSAN HIGGINS RN
Registered Nurse (Psychiatric/Mental Health)
2640 MARTIN LUTHER KING JR WAY
BERKELEY, CA 94704
Alameda County (510) 981-5290
JULIE ANN OQUERIZA MARIANO
Registered Nurse (Psychiatric/Mental Health, Adult)
2640 MARTIN LUTHER KING JR WAY
BERKELEY, CA 94704
Alameda County (510) 981-5290
JAMES RUBIN GLENN
Social Worker
2640 MARTIN LUTHER KING JR WAY
BERKELEY, CA 94704
Alameda County (510) 981-5290
LELAND S JOHNSON MFT
Marriage & Family Therapist
2640 MARTIN LUTHER KING JR WAY
BERKELEY, CA 94704
Alameda County (510) 981-5290
BRYAN THUNSTEDT RN
Registered Nurse
2640 MARTIN LUTHER KING JR WAY
BERKELEY, CA 94704
Alameda County (510) 981-5290
MR. MICHAEL HILTON MARCHANT LCSW
Social Worker (Clinical)
2640 MARTIN LUTHER KING JR WAY
BERKELEY, CA 94704
Alameda County (510) 981-5290
MISS AMANDA HARTMAN
Student in an Organized Health Care Education/Training Program
2640 MARTIN LUTHER KING JR WAY
BERKELEY, CA 94704
Alameda County (510) 981-5290
KATHARINE VIDT
Student in an Organized Health Care Education/Training Program
2640 MARTIN LUTHER KING JR WAY
BERKELEY, CA 94704
Alameda County (510) 981-5290

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 Yin Siu's NPI number?

The NPI number for Yin Siu is 1255540118. It was assigned to this individual provider in the NPPES registry on May 21, 2007.

Where is Yin Siu located?

Yin Siu practices at 2640 Martin Luther King Jr Way, Berkeley, CA 94704. The listed phone number is (510) 981-5290.

What is Yin Siu's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is Yin Siu enrolled in Medicare?

Yes. Yin Siu is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Yin Siu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yin Siu reassigns Medicare benefits to City Of Berkeley (Berkeley, 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 Yin Siu'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 Yin Siu was last updated on May 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.