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CLAUDIA SIEBER MFT
NPI 1376665638
Marriage & Family Therapist in Oakland, CA

Active since April 05, 2007
3637 GRAND AVE, SUITE D, OAKLAND, CA 94610(510) 238-0741 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Claudia Sieber Mft NPPES

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

CLAUDIA SIEBER MFT (NPI 1376665638) is an individual marriage & family therapist in Oakland, California, licensed in California (MFC44012) and active in the NPI registry since April 2007.

NPPES Registry Identity

NPI1376665638
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameCLAUDIA SIEBERCredential: MFT
Location Address3637 GRAND AVE, SUITE DOakland, CA 94610-2029
Mailing Address3637 Grand Ave, Suite DOakland, CA 94610-2029 · (510) 238-0741
Phone(510) 238-0741
Sole ProprietorYes
Enumeration DateApril 5, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1376665638 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 · MFC44012
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.
3637 GRAND AVE, Oakland, CA 94610
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Other Providers at the Same Location NPPES 3

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

MR. CRAIG ALLEN TOONDER MFT
Marriage & Family Therapist
3637 GRAND AVE, SUITE E
OAKLAND, CA 94610
Alameda County (510) 499-7137
DR. LINDA S HOHLWEG PH D
Psychologist
3637 GRAND AVE, STE C
OAKLAND, CA 94610
Alameda County (619) 990-0452
DR. C GIRVANI LEERER PH.D.
Psychologist (Counseling)
3637 GRAND AVE, SUITE G
OAKLAND, CA 94610
Alameda County (510) 649-9624

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 Claudia Sieber's NPI number?

The NPI number for Claudia Sieber is 1376665638. It was assigned to this individual provider in the NPPES registry on April 5, 2007.

Where is Claudia Sieber located?

Claudia Sieber practices at 3637 Grand Ave Suite D, Oakland, CA 94610. The listed phone number is (510) 238-0741.

What is Claudia Sieber'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 Claudia Sieber was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.