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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).

Learn more about Dr. Krista Preston:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Krista Preston is Excellent. Dr. Preston has been reviewed by 35 patients who have provided 1 comments. The rating is 4.5 out of 5 stars.

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

Specialties & Research

Dr. Krista Preston, DO, MD is board certified in Family Medicine.

Education & Awards

Dr. Preston graduated from Midwestern University, Downers Grove.


Dr. Preston has 2 hospital affiliations:

  • Simi Valley Hospital and 
  • Adventist Hinsdale Hospital 

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Additional Information
Dr. Krista Elizabeth Preston DO and MD is a female Family Practitioner, has 12 years of experience and practices in Family Medicine.
Where does Dr. Krista E. Preston practice?
Dr. Krista Preston has 2 office locations.
Dr. Krista Preston practices Family Medicine near Oak Park, CA.
Additional practice locations include: Thousand Oaks, CA.
See Oak Park Primary Care Doctors.