1. Home
  2. Directory
  3. California
  4. Vallejo
  5. Counselor
  6. NPI Profile

MR. WILLIAM WHITMORE NGUYEN MA
NPI 1083778427
Counselor in Vallejo, CA

Active since December 20, 2006
408 TENNESSEE ST, VALLEJO, CA 94590(707) 554-2397 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mr. William Whitmore Nguyen Ma NPPES

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

MR. WILLIAM WHITMORE NGUYEN MA (NPI 1083778427) is an individual counselor in Vallejo, California and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1083778427
Entity TypeIndividualMale
Primary Taxonomy101Y00000X
Provider Legal NameMR. WILLIAM WHITMORE NGUYENCredential: MA
Location Address408 TENNESSEE STVallejo, CA 94590-4453
Mailing Address1533 Jackson St Apt 104Oakland, CA 94612-4440 · (707) 554-2397
Phone(707) 554-2397
Sole ProprietorNo
Enumeration DateDecember 20, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1083778427 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers
Taxonomy Code101Y00000X
Definition
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
408 TENNESSEE ST, Vallejo, CA 94590
Open in Google Maps ↗

Other Identifiers 1

Medicare ID-Type Unspecified3383CA · Medical-epsdt

Other Providers at the Same Location NPPES 12

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

SAMUEL TERRANCE HARGROVE
Counselor (Addiction (Substance Use Disorder))
408 TENNESSEE ST
VALLEJO, CA 94590
Solano County (707) 554-2397
MS. JENNIFER KATE COGGBURN
Counselor (Addiction (Substance Use Disorder))
408 TENNESSEE ST
VALLEJO, CA 94590
Solano County (707) 554-2397
AISHA JENKINS
Counselor (Mental Health)
408 TENNESSEE ST
VALLEJO, CA 94590
Solano County (707) 554-2397
JAMES SCOTT MURAKAMI PH.D.
Psychologist (Clinical Child & Adolescent)
408 TENNESSEE ST
VALLEJO, CA 94590
Solano County (707) 554-2397
MS. KATERI ANNE CHIU M.A.
Student in an Organized Health Care Education/Training Program
408 TENNESSEE ST
VALLEJO, CA 94590
Solano County (707) 554-2397
YOUTH AND FAMILY SERVICES
Community/Behavioral Health
408 TENNESSEE ST
VALLEJO, CA 94590
Solano County (707) 554-2397
YOUTH AND FAMIY SERVICES, INC.
Community/Behavioral Health
408 TENNESSEE ST
VALLEJO, CA 94590
Solano County (707) 554-2397
NICOLAS TOWNES
Counselor (Addiction (Substance Use Disorder))
408 TENNESSEE ST
VALLEJO, CA 94590
Solano County (707) 554-2397

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 William Nguyen's NPI number?

The NPI number for William Nguyen is 1083778427. It was assigned to this individual provider in the NPPES registry on December 20, 2006.

Where is William Nguyen located?

William Nguyen practices at 408 Tennessee St, Vallejo, CA 94590. The listed phone number is (707) 554-2397.

What is William Nguyen's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

When was this NPI record last updated?

The NPPES record for William Nguyen 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.