Browse Health
Family Practitioner, Primary Care Doctor
27 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).

Learn more about Dr. Clarissa Johnston:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Clarissa Johnston is Good. Dr. Johnston has been reviewed by 4 patients who have provided 0 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 4.3
Courteous Staff 4.0
Accurate Diagnosis 4.0
Bedside Manner 3.7
Spends Time with Me 4.0
Follows Up After Visit 4.0

Specialties & Research

Dr. Clarissa Johnston, DO is board certified in Family Medicine.

  • She has special expertise in 1 area:
  • Flu (Human Influenza)

Education & Awards

Dr. Johnston graduated from Kansas City University of Medicine.


Dr. Johnston has 4 hospital affiliations:

  • Casa Grande Regional Medical Center 
  • Maricopa Medical Center 


  • Vietnamese

> > > > Dr. Clarissa Johnston, DO

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Additional Information
Dr. Clarissa Dale Johnston DO is a female Family Practitioner, has 27 years of experience and practices in Family Medicine.
Where does Dr. Clarissa D. Johnston practice?
Dr. Clarissa Johnston has 5 office locations.
Dr. Clarissa Johnston practices Family Medicine near Tucson, AZ.
Additional practice locations include: Phoenix, AZ and Surprise, AZ.
See Tucson Family Physicians.