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36 years of experience
Accepting new patients
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 (4)

The overall average patient rating of Dr. John Hewitt is Excellent. Dr. Hewitt has been reviewed by 7 patients who have provided 4 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 4.5
Accurate Diagnosis 4.5
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 4.7

Specialties & Research

Dr. John Hewitt, MD is board certified in Internal Medicine.

  • He has special expertise in 2 areas:
  • Weight Loss
  • Weight loss (non-surgical)

Education & Awards

Dr. Hewitt graduated from University Of Newcastle-Upon-Tyne, England.


Dr. Hewitt has 4 hospital affiliations:

  • Adventist Health/San Joaquin Community Hospital 
  • Bakersfield Memorial Hospital 


  • Spanish
  • English

> > > > Dr. John Hewitt, MD

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Additional Information
Dr. John Michael Hewitt MD is a male Internist, has 36 years of experience and practices in Internal Medicine.
Where does Dr. John M. Hewitt practice?
Dr. John Hewitt has 1 office location.
Dr. John Hewitt practices Internal Medicine near Bakersfield, CA.
See Bakersfield Internists.