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ANDREA SILEO THRONDSON LMFT
NPI 1083178768
Marriage & Family Therapist in Palo Alto, CA

Active since January 26, 2019Opted out of Medicare · through Mar 12, 2027
660 MIDDLEFIELD RD STE B, PALO ALTO, CA 94301(408) 836-7820 Get Directions Write a Review

NPPES record last updated: May 22, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Andrea Sileo Throndson Lmft NPPES

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

ANDREA SILEO THRONDSON LMFT (NPI 1083178768) is an individual marriage & family therapist in Palo Alto, California, licensed in California (103006) and active in the NPI registry since January 2019. She has opted out of Medicare through March 12, 2027 and maintains a secondary practice location in Palo Alto.

NPPES Registry Identity

NPI1083178768
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameANDREA SILEO THRONDSONCredential: LMFT
Location Address660 MIDDLEFIELD RD STE BPalo Alto, CA 94301-2125
Mailing Address660 Middlefield Rd Ste BPalo Alto, CA 94301-2125 · (408) 836-7820
Phone(408) 836-7820
Sole ProprietorYes
Enumeration DateJanuary 26, 2019
Last NPPES UpdateMay 22, 2024
NPPES CertifiedMay 22, 2024
✔ NPI 1083178768 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 · 103006
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.
660 MIDDLEFIELD RD STE B, Palo Alto, CA 94301
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Secondary Practice Location 1

Location 1230 California Ave Ste 205Palo Alto, CA 94306-1637 · Phone (408) 836-7820

Other Identifiers 1

Other82-3992705CA · Self

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Andrea Sileo Throndson Lmft 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 March 12, 2025 through March 12, 2027.

Opt-Out Effective DateMarch 12, 2025
Opt-Out In Effect ThroughMarch 12, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Other Providers at the Same Location NPPES 2

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

MS. JOAN LESLIE WILLINGHAM MSW
Social Worker (Clinical)
660 MIDDLEFIELD RD STE B
PALO ALTO, CA 94301
Santa Clara County (650) 327-3306
MRS. KATHERINE WILKINS MS,MFT
Marriage & Family Therapist
660 MIDDLEFIELD RD STE B
PALO ALTO, CA 94301
Santa Clara County (650) 329-0681

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 Andrea Throndson's NPI number?

The NPI number for Andrea Throndson is 1083178768. It was assigned to this individual provider in the NPPES registry on January 26, 2019.

Where is Andrea Throndson located?

Andrea Throndson practices at 660 Middlefield Rd Ste B, Palo Alto, CA 94301. The listed phone number is (408) 836-7820.

What is Andrea Throndson's specialty?

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

Is Andrea Throndson enrolled in Medicare?

No. Andrea Throndson has opted out of Medicare through March 12, 2027. 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 Andrea Throndson was last updated on May 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.