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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

JOHN GAVIN WILLIAMS M.D
NPI 1346284031
Emergency Medicine in Banning, CA

Active since June 15, 2006
600 N. HIGHLAND SPRINGS AVE, BANNING, CA 92220(951) 845-1121 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John Gavin Williams M.d NPPES

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

JOHN GAVIN WILLIAMS M.D (NPI 1346284031) is an individual emergency medicine provider in Banning, California, licensed in California (C38680) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1346284031
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameJOHN GAVIN WILLIAMSCredential: M.D
Location Address600 N. HIGHLAND SPRINGS AVEBanning, CA 92220
Mailing Address2100 Powell Street, Ste 920Emeryville, CA 94608-1803 · (510) 350-2777
Phone(951) 845-1121
Sole ProprietorNo
Enumeration DateJune 15, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1346284031 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · C38680
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
600 N. HIGHLAND SPRINGS AVE, Banning, CA 92220
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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 John Williams's NPI number?

The NPI number for John Williams is 1346284031. It was assigned to this individual provider in the NPPES registry on June 15, 2006.

Where is John Williams located?

John Williams practices at 600 N. Highland Springs Ave, Banning, CA 92220. The listed phone number is (951) 845-1121.

What is John Williams's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

When was this NPI record last updated?

The NPPES record for John Williams 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 22 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.