1. Home
  2. Directory
  3. California
  4. Travis Afb
  5. Social Worker
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WILLIAM ANTHONY KIEFFER PH.D
NPI 1619964285
Social Worker - Clinical in Travis Afb, CA

Active since September 29, 2005
101 BODIN CIR, TRAVIS AFB, CA 94535(707) 423-3701(707) 423-3501 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About William Anthony Kieffer Ph.d NPPES

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

WILLIAM ANTHONY KIEFFER PH.D (NPI 1619964285) is an individual clinical provider in Travis Afb, California, licensed in Montana (174) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1619964285
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameWILLIAM ANTHONY KIEFFERCredential: PH.D
Location Address101 BODIN CIRTravis Afb, CA 94535-1809
Mailing Address337 Kilgarvan CtVacaville, CA 95688-9203 · (707) 446-9039 · Fax (707) 423-3501
Phone(707) 423-3701
Fax(707) 423-3501
Sole ProprietorNo
Enumeration DateSeptember 29, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1619964285 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MT · 174
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
101 BODIN CIR, Travis Afb, CA 94535
Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

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

EDWARD SEAN RODRIGUEZ I.D.M.T
Military Health Care Provider (Independent Duty Medical Technicians)
101 BODIN CIR
TRAVIS AFB, CA 94535
Solano County (707) 423-5478
KENDRA MONICA HILL PT
Physical Therapist
101 BODIN CIR
TRAVIS AFB, CA 94535
Solano County (707) 423-3000
TIMOTHY GUENTHER MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
101 BODIN CIR
TRAVIS AFB, CA 94535
Solano County (707) 423-3000
ANGELA GIESE MD
Surgery (Vascular Surgery)
101 BODIN CIR
FAIRFIELD, CA 94535
Solano County (707) 423-3000
DR. JOSCELYN D. A. C. AQUININGOC PHARMD
Pharmacist
101 BODIN CIR
TRAVIS AFB, CA 94535
Solano County (626) 297-8649
CATHERINE CELINE BRANSTETTER
Dentist (General Practice)
101 BODIN CIR
TRAVIS AFB, CA 94535
Solano County (707) 423-7085
MEGAN ELIZABETH LEE MD
Student in an Organized Health Care Education/Training Program
101 BODIN CIR
FAIRFIELD, CA 94535
Solano County (707) 423-3000
DR. STEVEN DANIEL DEMARTINI M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
101 BODIN CIR
TRAVIS AFB, CA 94535
Solano County (707) 423-3000

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 Kieffer's NPI number?

The NPI number for William Kieffer is 1619964285. It was assigned to this individual provider in the NPPES registry on September 29, 2005.

Where is William Kieffer located?

William Kieffer practices at 101 Bodin Cir, Travis Afb, CA 94535. The listed phone number is (707) 423-3701.

What is William Kieffer's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for William Kieffer was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 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.