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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 (3)

The overall average patient rating of Dr. Gerald Ondash is Good. Dr. Ondash has been reviewed by 14 patients who have provided 3 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 3.9
Courteous Staff 4.4
Accurate Diagnosis 3.3
Bedside Manner 3.3
Spends Time with Me 2.9
Follows Up After Visit 3.1

Specialties & Research

Dr. Gerald Ondash, MD is board certified in Internal Medicine.

Education & Awards

Dr. Ondash graduated from Saint Louis University.


Dr. Ondash has 7 hospital affiliations:

  • Scripps Mercy Hospital San Diego 
  • Scripps Memorial Hospital Encinitas 


  • Spanish

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Additional Information
Dr. Gerald William Ondash MD is a male Internist, has 43 years of experience and practices in Internal Medicine.
Where does Dr. Gerald W. Ondash practice?
Dr. Gerald Ondash has 4 office locations.
Dr. Gerald Ondash practices Internal Medicine near Vista, CA.
Additional practice locations include: La Jolla, CA and San Diego, CA.
See Vista Internists.