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

SIOANNA THOMAS NONE
NPI 1710553375
Marriage & Family Therapist in Riverside, CA

Active since June 03, 2021
6800 INDIANA AVE STE 150, RIVERSIDE, CA 92506(951) 905-0623 Get Directions Write a Review

NPPES record last updated: October 6, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Oct 6, 2026, May 13, 2025, Jun 3, 2021 (3 updates tracked since 2021).

About Sioanna Thomas None NPPES

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

SIOANNA THOMAS NONE (NPI 1710553375) is an individual marriage & family therapist in Riverside, California, licensed in California (165462) and active in the NPI registry since June 2021.

NPPES Registry Identity

NPI1710553375
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameSIOANNA THOMASCredential: NONE
Location Address6800 INDIANA AVE STE 150Riverside, CA 92506-4286
Mailing Address18726 S Western Ave Ste 408Gardena, CA 90248-3858 · (310) 856-0800 · Fax (855) 568-2494
Phone(951) 905-0623
Sole ProprietorNo
Enumeration DateJune 3, 2021
Last NPPES UpdateOctober 6, 20263 updates tracked since enumeration
NPPES CertifiedOctober 6, 2026
✔ NPI 1710553375 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 · 165462
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.
6800 INDIANA AVE STE 150, Riverside, CA 92506
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Other Providers at the Same Location NPPES 5

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

MARAM MANASRAH
Marriage & Family Therapist
6800 INDIANA AVE STE 150
RIVERSIDE, CA 92506
Riverside County (951) 684-6684
ELIZABETH AGUSTI BECERRA
Marriage & Family Therapist
6800 INDIANA AVE STE 150
RIVERSIDE, CA 92506
Riverside County (951) 616-4076
KASSANDRA MARTINEZ-ACEVES
Student in an Organized Health Care Education/Training Program
6800 INDIANA AVE STE 150
RIVERSIDE, CA 92506
Riverside County (951) 684-6684
THALIA OFELIA SANCHEZ
Marriage & Family Therapist
6800 INDIANA AVE STE 150
RIVERSIDE, CA 92506
Riverside County (951) 684-6684
HAYLEE NICHOLE FONTAINE AMFT
Marriage & Family Therapist
6800 INDIANA AVE STE 150
RIVERSIDE, CA 92506
Riverside County (951) 227-3735

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 Sioanna Thomas's NPI number?

The NPI number for Sioanna Thomas is 1710553375. It was assigned to this individual provider in the NPPES registry on June 3, 2021.

Where is Sioanna Thomas located?

Sioanna Thomas practices at 6800 Indiana Ave Ste 150, Riverside, CA 92506. The listed phone number is (951) 905-0623.

What is Sioanna Thomas's specialty?

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

When was this NPI record last updated?

The NPPES record for Sioanna Thomas was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.