JAMES CASTLES M.D.
NPI 1477623403
Internal Medicine - Rheumatology in Davis, CA

Active since November 08, 2006
451 E. HEALTH SCIENCES DRIVE, SUITE 6510, DAVIS, CA 95616(530) 752-2884(530) 754-6047 Get Directions Write a Review

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

About James Castles M.d. NPPES

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

JAMES CASTLES M.D. (NPI 1477623403) is an individual rheumatology provider in Davis, California, licensed in California (GFE25647) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1477623403
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameJAMES CASTLESCredential: M.D.
Location Address451 E. HEALTH SCIENCES DRIVE, SUITE 6510Davis, CA 95616
Mailing Address451 E. Health Sciences Drive, Suite 6510Davis, CA 95616 · (530) 752-2884 · Fax (530) 754-6047
Fax(530) 754-6047
Sole ProprietorNo
Enumeration DateNovember 8, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1477623403 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License Licensed in CA · GFE25647
Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

451 E. HEALTH SCIENCES DRIVE, Davis, CA 95616

Other Identifiers 1

Medicare UPINA42740CA

Other Providers at the Same Location NPPES 3

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

Internal Medicine (Rheumatology)
451 E. HEALTH SCIENCES DRIVE, SUITE 6510
DAVIS, CA 95616
Internal Medicine (Rheumatology)
451 E. HEALTH SCIENCES DRIVE
DAVIS, CA 95616
Internal Medicine (Rheumatology)
451 E. HEALTH SCIENCES DRIVE, UCDAVIS SCHOOL OF MEDICINE
DAVIS, CA 95616

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 James Castles's NPI number?

The NPI number for James Castles is 1477623403. It was assigned to this individual provider in the NPPES registry on November 8, 2006.

Where is James Castles located?

James Castles practices at 451 E. Health Sciences Drive Suite 6510, Davis, CA 95616. The listed phone number is (530) 752-2884.

What is James Castles's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

When was this NPI record last updated?

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