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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 (5)

The overall average patient rating of Dr. Karl Johsens is Excellent. Dr. Johsens has been reviewed by 10 patients who have provided 5 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 4.7
Courteous Staff 4.5
Accurate Diagnosis 4.7
Bedside Manner 5.0
Spends Time with Me 4.8
Follows Up After Visit 4.4

Specialties & Research

Dr. Karl Johsens, MD is board certified in Internal Medicine.

Education & Awards

Dr. Johsens graduated from University of Hawaii, Honolulu. He has 3 awards.

Patients' Choice 5th Anniversary Award (2012)
Patients' Choice Award (2008 - 2012)
Compassionate Doctor Recognition (2010 - 2012)


Dr. Johsens has 3 hospital affiliations:

  • Watsonville Community Hospital 
  • Dominican Hospital 
  • Kingman Regional Medical Center 


  • English

> > > > Dr. Karl Johsens, MD

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Additional Information
Dr. Karl Knudsen Johsens MD is a male Internist, has 18 years of experience and practices in Internal Medicine.
Where does Dr. Karl K. Johsens practice?
Dr. Karl Johsens has 2 office locations.
Dr. Karl Johsens practices Internal Medicine near Redwood City, CA.
Additional practice locations include: Santa Cruz, CA.
See Redwood City Internists.