JOHN S. GUERRANT JR. MD
NPI 1447338272
Pediatrics in Fairfield, CA

Active since November 01, 2006
1550 GATEWAY BLVD, FAIRFIELD, CA 94533(707) 427-4000 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About John S. Guerrant Jr. Md NPPES

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

JOHN S. GUERRANT JR. MD (NPI 1447338272) is an individual pediatrics provider in Fairfield, California, licensed in California (G43570) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1447338272
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameJOHN S. GUERRANT JR.Credential: MD
Location Address1550 GATEWAY BLVDFairfield, CA 94533-6901
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3429 · (510) 625-6262
Sole ProprietorNo
Enumeration DateNovember 1, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1447338272 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License Licensed in CA · G43570
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
1550 GATEWAY BLVD, Fairfield, CA 94533

Other Identifiers 3

Medicare ID-Type Unspecified00G435700
Medicare UPINF12889
Medicaid00G435700CA

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.

Pharmacist
1550 GATEWAY BLVD
FAIRFIELD, CA 94533
Pharmacist
1550 GATEWAY BLVD
FAIRFIELD, CA 94533
Optometrist
1550 GATEWAY BLVD
FAIRFIELD, CA 94533
Family Medicine
1550 GATEWAY BLVD
FAIRFIELD, CA 94533
Pharmacist
1550 GATEWAY BLVD
FAIRFIELD, CA 94533
Pediatrics
1550 GATEWAY BLVD
FAIRFIELD, CA 94533
Pediatrics
1550 GATEWAY BLVD
FAIRFIELD, CA 94533
Student in an Organized Health Care Education/Training Program
1550 GATEWAY BLVD
FAIRFIELD, CA 94533

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 Guerrant's NPI number?

The NPI number for John Guerrant is 1447338272. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is John Guerrant located?

John Guerrant practices at 1550 Gateway Blvd, Fairfield, CA 94533. The listed phone number is (707) 427-4000.

What is John Guerrant's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

When was this NPI record last updated?

The NPPES record for John Guerrant 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.