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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).

Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Thomas Powell is Excellent. Dr. Powell has been reviewed by 14 patients who have provided 2 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.9
Promptness 4.0
Courteous Staff 4.5
Accurate Diagnosis 4.4
Bedside Manner 4.4
Spends Time with Me 4.4
Follows Up After Visit 4.3

Specialties & Research

Dr. Thomas Powell, MD is board certified in Rheumatology.

  • He has special expertise in 7 areas:
  • Arthritis
  • Fibromyalgia
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Osteoarthritis (Hand and Wrist)
  • Rheumatic Diseases
  • Rheumatoid Arthritis

Education & Awards

Dr. Powell graduated from George Washington University. He has 3 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)
Patients' Choice Award (2008 - 2011, 2015)
Compassionate Doctor Recognition (2011, 2014 - 2015)


Dr. Powell has 4 hospital affiliations:

  • St. Joseph Hospital - Orange 
  • Saint Joseph Hospital 

> > > > Dr. Thomas Powell, MD

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Additional Information
Dr. Thomas Roger Powell MD is a male Rheumatologist, has 40 years of experience and practices in Rheumatology.
Where does Dr. Thomas R. Powell practice?
Dr. Thomas Powell has 1 office location.
Dr. Thomas Powell practices Rheumatology near Orange, CA.
See Orange Rheumatologists.