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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 (23)

The overall average patient rating of Dr. John Mathias is Excellent. Dr. Mathias has been reviewed by 71 patients who have provided 23 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 4.2
Courteous Staff 4.0
Accurate Diagnosis 4.4
Bedside Manner 4.4
Spends Time with Me 4.5
Follows Up After Visit 4.1

Specialties & Research

  • He has special expertise in 4 areas:
  • Diabetes
  • Diabetes Mellitus
  • Diabetes
  • Fibromyalgia

Education & Awards

Dr. Mathias graduated from Temple University Physicians, Philadelphia. He has 5 awards.

Patients' Choice Award (2008 - 2009, 2012, 2015)
Compassionate Doctor Recognition (2012, 2015)
Top 10 Doctor - State (2014)
Top 10 Doctor - Metro Area (2014)
Greater Houston
Top 10 Doctor - City (2014)
Houston, TX


Dr. Mathias has 2 hospital affiliations:

  • Womans Hospital of Texas 
  • Women S Hosp Of Tx 

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Additional Information
Dr. John Robert Mathias MD is a male Internist, has 44 years of experience and practices in Endocrinology, Diabetes & Metabolism.
Where does Dr. John R. Mathias practice?
Dr. John Mathias has 1 office location.
Dr. John Mathias practices Endocrinology, Diabetes & Metabolism near Houston, TX.
See Houston Endocrinologists.