Internist, Cardiologist (heart)
38 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).

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Specialties & Research

Dr. John C Longhurst, MD, PHD is board certified in Internal Medicine and Cardiovascular Disease.

  • He has special expertise in 5 areas:
  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Education & Awards

Dr. Longhurst graduated from University of California at Davis.


Dr. Longhurst has 2 hospital affiliations:

  • University of California Davis Medical Center 
  • University of California, Irvine Medical Center 


  • English

> > > > Dr. John C Longhurst, MD, PHD

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Additional Information
Dr. John C Longhurst MD and PHD is a male Internist, has 38 years of experience and practices in Internal Medicine and Cardiovascular Disease.
Where does Dr. John C Longhurst practice?
Dr. John C Longhurst has 5 office locations.
Dr. John C Longhurst practices Internal Medicine and Cardiovascular Disease near Orange, CA.
Additional practice locations include: Newport Beach, CA and Davis, CA.
See Orange Internists and Orange Cardiologists.