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MRS. ELIZABETH ANN SIAMAS
NPI 1770768772
Marriage & Family Therapist in Pleasanton, CA

Active since January 08, 2008Opted out of Medicare · through Jan 1, 2028
6317 LAURA LN, PLEASANTON, CA 94566(925) 989-0330 Get Directions Write a Review

NPPES record last updated: March 27, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mrs. Elizabeth Ann Siamas NPPES

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

MRS. ELIZABETH ANN SIAMAS (NPI 1770768772) is an individual marriage & family therapist in Pleasanton, California, licensed in California (52433) and active in the NPI registry since January 2008. She has opted out of Medicare through January 1, 2028.

NPPES Registry Identity

NPI1770768772
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMRS. ELIZABETH ANN SIAMAS
Location Address6317 LAURA LNPleasanton, CA 94566-9710
Mailing Address6317 Laura LnPleasanton, CA 94566-9710 · (925) 989-0330
Phone(925) 989-0330
Sole ProprietorYes
Enumeration DateJanuary 8, 2008
Last NPPES UpdateMarch 27, 2025
NPPES CertifiedMarch 27, 2025
✔ NPI 1770768772 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · 52433
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.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
6317 LAURA LN, Pleasanton, CA 94566
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Other Names 1

Other Name (5)Mrs. Lysa Ann Siamas

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Mrs. Elizabeth Ann Siamas has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2024 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2024
Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

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 Elizabeth Siamas's NPI number?

The NPI number for Elizabeth Siamas is 1770768772. It was assigned to this individual provider in the NPPES registry on January 8, 2008. The provider is also known as Mrs. Lysa Ann Siamas.

Where is Elizabeth Siamas located?

Elizabeth Siamas practices at 6317 Laura Ln, Pleasanton, CA 94566. The listed phone number is (925) 989-0330.

What is Elizabeth Siamas's specialty?

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

Is Elizabeth Siamas enrolled in Medicare?

No. Elizabeth Siamas has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Elizabeth Siamas was last updated on March 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.