WILLIAM HALLSTEIN
NPI 1093862047
Psychiatry & Neurology - Psychiatry in Martinez, CA

Active since January 04, 2007
2500 ALHAMBRA AVE, MARTINEZ, CA 94553(925) 370-5110(925) 370-5142 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About William Hallstein NPPES

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

WILLIAM HALLSTEIN (NPI 1093862047) is an individual psychiatry provider in Martinez, California, licensed in California (G24247) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1093862047
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameWILLIAM HALLSTEIN
Location Address2500 ALHAMBRA AVEMartinez, CA 94553-3156
Mailing Address50 Douglas Dr, Suite 391Martinez, CA 94553-4098 · (925) 957-5429 · Fax (925) 957-5401
Fax(925) 370-5142
Sole ProprietorYes
Enumeration DateJanuary 4, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1093862047 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in CA · G24247
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
2500 ALHAMBRA AVE, Martinez, CA 94553

Other Names 1

Professional Name (2)Bill Hallstein

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.

Family Medicine
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Student in an Organized Health Care Education/Training Program
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Dentist
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
General Practice
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Family Medicine
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Surgery
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Otolaryngology
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Psychiatry & Neurology (Psychiatry)
2500 ALHAMBRA AVE, PES
MARTINEZ, CA 94553

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 Hallstein's NPI number?

The NPI number for William Hallstein is 1093862047. It was assigned to this individual provider in the NPPES registry on January 4, 2007. The provider is also known as Bill Hallstein.

Where is William Hallstein located?

William Hallstein practices at 2500 Alhambra Ave, Martinez, CA 94553. The listed phone number is (925) 370-5110.

What is William Hallstein's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for William Hallstein was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.