Summary

Dr. Robert Masters is a cardiologist and internal medicine specialist with over five decades of experience caring for patients with heart and cardiovascular conditions. He earned his medical degree from University of California Irvine College of Medicine and completed his residency at LAC USC Medical Center. Dr. Masters is fluent in both English and Spanish.

Dr. Masters practices at MemorialCare Saddleback Medical Center and sees patients at South Orange County Cardiology Group locations in Laguna Hills and San Clemente, California. He specializes in treating heart rhythm disorders and high blood pressure. His expertise includes performing heart monitoring tests and stress tests using ultrasound technology. Patients have given Dr. Masters an average rating of 4.3 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.3
  • 54 years of experience
  • speaks English, Spanish
  • Lac Usc Medical Center
  • 2 written reviews
  • 2 specialties
  • 15 areas of expertise
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Robert Keenan Masters has 2 locations

South Orange County Cardiology Group

24411 Health Center Dr Ste 550Laguna Hills, CA 92653
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

South Orange County Cardiology Group

675 Camino de los Mares Ste 403San Clemente, CA 92673
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

Compare with Similar Doctors

Dr. Robert Keenan Masters, MD
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Dr. Robert Keenan Masters, MDDr. Raghav Sharma, MDSin Jyoung ChoiMichael Kian Lam Ong
Cardiovascular DiseaseCardiovascular DiseasePsychiatryAnesthesiology
Accepts New Patients Accepts New Patients
4.3 
54 Years of Experience 16 Years of Experience 67 Years of Experience 65 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Hindi
Laguna Hills , CAWinter Park , FLMission Viejo , CAAliso Viejo , CA
Med School: University Of California Irvine College Of Medicine Med School: New York Medical College Med School: Pusan National University College Of Medicine Med School: Universiti Malaya Fakulti Perubatan
Current Profile
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Insurance Plans Accepted by Dr. Robert Keenan Masters

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Robert Keenan Masters has the following 2 specialties

Specialty Expertise

Dr. Robert Keenan Masters has the following 15 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Arrhythmia
  • Atherosclerosis
  • Blood Clot
  • Essential Tremor
  • Heart Attack
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Cholesterol
  • Hypertension
  • Internal Medicine
  • Seizure Disorders
  • Stroke
  • Unstable Angina

Certifications, License, & Education

54 Years Experience

Dr. Robert Keenan Masters 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 expired in 2026.

Education & Training

Residency

Completed their residency at Lac Usc Medical Center.

Medical School

Graduated from University Of California Irvine College Of Medicine in 1972.

NPI Number

Dr. Masters' NPI number is 1871685214.

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Frequently Asked Questions

What languages does Dr. Robert Masters speak?
Dr. Robert Masters speaks English and Spanish.
How can I make an appointment with Dr. Robert Masters?
You can find contact information for Dr. Robert Masters here on Vitals.
Does Dr. Robert Masters accept virtual/telehealth appointments?
Dr. Robert Masters has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Robert Masters's office located?
Dr. Robert Masters's office is located at 24411 Health Center Dr Ste 550, Laguna Hills, CA, 92653.
Which hospitals is Dr. Robert Masters affiliated with?
Dr. Robert Masters is affiliated with Memorialcare Saddleback Medical Center.

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