DR. WILLIAM R HALLORAN M.D.
NPI 1023149739
Psychiatry & Neurology - Child & Adolescent Psychiatry in Chico, CA

Q: What is William Halloran's NPI number?

The NPI number for William Halloran is 1023149739. It was assigned to this individual provider in the NPPES registry on March 7, 2007.

Q: What is William Halloran's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Q: When was this NPI record last updated?

The NPPES record for William Halloran was last updated on July 31, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 March 07, 2007

130 AMBER GROVE DR, SUITE 130, CHICO, CA 95973(530) 895-7634(530) 342-2440 Get Directions Write a Review

NPPES record last updated: July 31, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. William R Halloran M.d. NPPES

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

DR. WILLIAM R HALLORAN M.D. (NPI 1023149739) is an individual child & adolescent psychiatry provider in Chico, California, licensed in California (G86643) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1023149739

Entity TypeIndividualMale

Primary Taxonomy2084P0804X

Provider Legal NameDR. WILLIAM R HALLORANCredential: M.D.

Location Address130 AMBER GROVE DR, SUITE 130Chico, CA 95973-5875

Mailing Address130 Amber Grove Dr, Suite 130Chico, CA 95973-5875 · (530) 895-7634 · Fax (530) 342-2440

Phone(530) 895-7634

Fax(530) 342-2440

Sole ProprietorYes

Enumeration DateMarch 7, 2007

Last NPPES UpdateJuly 31, 2008

✔ NPI 1023149739 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0804X

License✔ Licensed in CA · G86643

Definition

Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

130 AMBER GROVE DR, Chico, CA 95973

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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 Halloran's NPI number?

The NPI number for William Halloran is 1023149739. It was assigned to this individual provider in the NPPES registry on March 7, 2007.

Where is William Halloran located?

William Halloran practices at 130 Amber Grove Dr Suite 130, Chico, CA 95973. The listed phone number is (530) 895-7634.

What is William Halloran's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

When was this NPI record last updated?

The NPPES record for William Halloran was last updated on July 31, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.