MR. JOHN C DECKER MS IN COUNSELING
NPI 1669752721
Marriage & Family Therapist in San Leandro, CA

Q: What is John Decker's NPI number?

The NPI number for John Decker is 1669752721. It was assigned to this individual provider in the NPPES registry on August 22, 2011.

Q: What is John Decker's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for John Decker was last updated on October 24, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since August 22, 2011

16378 E 14TH ST STE 101, SAN LEANDRO, CA 94578(510) 601-8201 Get Directions Write a Review

NPPES record last updated: October 24, 2011. Verified against the NPPES registry weekly; last sync: September 06, 2026.

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About Mr. John C Decker Ms In Counseling NPPES

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

MR. JOHN C DECKER MS IN COUNSELING (NPI 1669752721) is an individual marriage & family therapist in San Leandro, California and active in the NPI registry since August 2011.

NPPES Registry Identity

NPI1669752721

Entity TypeIndividualMale

Primary Taxonomy106H00000X

Provider Legal NameMR. JOHN C DECKERCredential: MS IN COUNSELING

Location Address16378 E 14TH ST STE 101San Leandro, CA 94578-5121

Mailing AddressPo Box 5011Hercules, CA 94547-5011 · (510) 601-8201

Phone(510) 601-8201

Sole ProprietorNo

Enumeration DateAugust 22, 2011

Last NPPES UpdateOctober 24, 2011

✔ NPI 1669752721 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers

Taxonomy Code106H00000X

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.

16378 E 14TH ST STE 101, San Leandro, CA 94578

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Other Providers at the Same Location NPPES 6

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

GRETCHEN ISIDORO REID

Social Worker (Clinical)

16378 E 14TH ST STE 101
SAN LEANDRO, CA 94578

Alameda County (510) 667-3642

ELLEN DAVIS

Marriage & Family Therapist

16378 E 14TH ST STE 101
SAN LEANDRO, CA 94578

Alameda County (510) 667-3285

DANAE ROMERO

Counselor (Mental Health)

16378 E 14TH ST STE 101
SAN LEANDRO, CA 94578

Alameda County (510) 680-4259

MS. JOELLE L. CREPSAC LMFT, ATR, APCC

Marriage & Family Therapist

16378 E 14TH ST STE 101
SAN LEANDRO, CA 94578

Alameda County (510) 459-8046

LOUISE D HALL

Social Worker (Clinical)

16378 E 14TH ST STE 101
ASHLAND, CA 94578

Alameda County (510) 667-3642

MAXINE ANGELA MIRANDA SORIANO LMFT

Marriage & Family Therapist

16378 E 14TH ST STE 101
SAN LEANDRO, CA 94578

Alameda County (510) 483-3030

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 John Decker's NPI number?

The NPI number for John Decker is 1669752721. It was assigned to this individual provider in the NPPES registry on August 22, 2011.

Where is John Decker located?

John Decker practices at 16378 E 14th St Ste 101, San Leandro, CA 94578. The listed phone number is (510) 601-8201.

What is John Decker'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 John Decker was last updated on October 24, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.