Browse Health
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. James Castles:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

View full profile

Patient Reviews

Have you visited Dr. Castles? Share your experience.
Write a Review

Specialties & Research

  • He has special expertise in 2 areas:
  • Hip Osteoarthritis
  • Knee Osteoarthritis

Education & Awards

Dr. Castles graduated from University of Chicago.


> > > > Dr. James Castles, MD

Similar doctors nearby

Dr. Happy Chan

Internal Medicine
10 years experience
Davis, CA

Dr. Dick Robbins

Internal Medicine
44 years experience
Davis, CA

Dr. Merrill Gershwin

Rheumatology
40 years experience
Davis, CA

Dr. Diana Lau

Rheumatology
22 years experience
Woodland, CA

Dr. Dennis Liu

Rheumatology
12 years experience
Sacramento, CA

Dr. Gurtej Cheema

Internal Medicine
21 years experience
Sacramento, CA
Search All Similar Doctors
Additional Information
Dr. James Joseph Castles MD is a male Rheumatologist, has 47 years of experience and practices in Rheumatology.
Where does Dr. James J. Castles practice?
Dr. James Castles has 2 office locations.
Dr. James Castles practices Rheumatology near Davis, CA.
Additional practice locations include: Sacramento, CA.
See Davis Rheumatologists.