Summary

Dr. Warren Johnston is a cardiovascular disease specialist who has dedicated over five decades to heart care. He earned his medical degree from the University of Rochester School of Medicine & Dentistry and completed his residency at LAC USC Medical Center. With 51 years of experience in cardiology, Dr. Johnston brings extensive knowledge to treating heart and vascular conditions. He speaks English with his patients.

Dr. Johnston practices at South Coast Global Medical Center and sees patients in Orange, California. He focuses on managing high cholesterol in children and teens, hyperlipidemia, and hypertension. His expertise includes performing contrast echocardiography to evaluate heart function, dobutamine stress echocardiograms to assess heart health under stress, and electrocardiograms to monitor heart rhythm. Patients have given him an average rating of 2.5 out of 5 stars on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 2.5
  • 51 years of experience
  • 43 insurance plans accepted
  • speaks English
  • Lac Usc Medical Center
  • 6 written reviews
  • 1 specialty
  • 13 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

St. Joseph Heritage Orange - Cardiology

1140 W La Veta Ave Ste 430Orange, CA 92868
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Warren David JohnstonDr. Raghav Sharma, MDLouise Caroline LalondeDr. Martha I Mercado, MD
Cardiovascular DiseaseCardiovascular DiseaseNurse PractitionerInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
2.5 
51 Years of Experience 16 Years of Experience 37 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Hindi Speaks English, Spanish Speaks Spanish, English
Orange , CAWinter Park , FLPasadena , CABaldwin Park , CA
Med School: University Of Rochester School Of Medicine & Dentistry Med School: New York Medical College Med School: David Geffen School Of Medicine At Ucla
Current Profile
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Insurance Plans Accepted by Warren David Johnston

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Aetna - HMO
  • Anthem Blue Cross
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Texas
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Brand New Day
  • CalOptima
  • CHAMPVA
  • Cigna
  • Community Health Group
  • Health Net
  • Health Net - HMO
  • Highmark Blue Shield
  • Hometown Health
  • Humana
  • Humana - HMO
  • Kaiser Permanente
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • Magellan Health
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Mercy Care
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - HMO
  • Molina Healthcare - Medicaid
  • Nippon Life Benefits
  • Oscar Health Insurance
  • Oscar Health Insurance - HMO
  • Piedmont Community Health Plan
  • Providence Health Plans
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Three Rivers Providers Network (TRPN) - HMO
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO

Medical Specialties

Warren David Johnston has the following specialty

Specialty Expertise

Warren David Johnston has the following 13 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Arrhythmia
  • Atherosclerosis
  • Blood Clot
  • Heart Attack
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Cholesterol
  • Hypertension
  • Stroke
  • Unstable Angina
  • Women's Health

Certifications, License, & Education

51 Years Experience

Warren David Johnston holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2027.

Education & Training

Residency

Completed their residency at Lac Usc Medical Center.

Medical School

Graduated from University Of Rochester School Of Medicine & Dentistry in 1975.

NPI Number

Warren David Johnston's NPI number is 1427052802.

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Frequently Asked Questions

How can I make an appointment with Warren Johnston?
You can find contact information for Warren Johnston here on Vitals.
Where is Warren Johnston's office located?
Warren Johnston's office is located at 1140 W La Veta Ave Ste 430, Orange, CA, 92868.
Does Warren Johnston accept my insurance?
You can see the insurance plans that Warren Johnston accepts on their Vitals profile.
Which hospitals is Warren Johnston affiliated with?
Warren Johnston is affiliated with South Coast Global Medical Center.
What languages does Warren Johnston speak?
Warren Johnston speaks English.

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