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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. Cynthia Sierra:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Cynthia Sierra is Good. Dr. Sierra has been reviewed by 8 patients who have provided 2 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 4.1
Courteous Staff 4.3
Accurate Diagnosis 4.3
Bedside Manner 4.3
Spends Time with Me 4.0
Follows Up After Visit 4.0

Specialties & Research

Dr. Cynthia Sierra, MD is board certified in Family Medicine.

  • She has special expertise in 2 areas:
  • Diabetes
  • Diabetes Complications

Education & Awards

Dr. Sierra graduated from University of California at Davis. She has 3 awards.

Compassionate Doctor Recognition (2013)
Bridges to Excellence Recognition
Bridges to Excellence Medical Home Recognition (2013 - 2016)
Level III
NCQA Physician Practice Connections - Patient Centered Medical Home (2013 - 2016)


Dr. Sierra has 3 hospital affiliations:

  • Kaiser Permanente San Diego Medical Center 
  • UC San Diego Health System 
  • San Diego Medical Center 


  • Spanish

> > > > Dr. Cynthia Sierra, MD

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Additional Information
Dr. Cynthia Lisette Sierra MD is a female Family Practitioner, has 8 years of experience and practices in Family Medicine.
Where does Dr. Cynthia L. Sierra practice?
Dr. Cynthia Sierra has 1 office location.
Dr. Cynthia Sierra practices Family Medicine near Bonita, CA.
See Bonita Family Physicians.