Daniel P. O'Brien, MD
Accepting new patients

Daniel P. O'Brien, MD

(he/him)
  • Cardiology
5.0
181 ratings
72 reviews
Star ratings are displayed only for those physicians who participate in UCLA Health’s patient experience survey program and have received a minimum of 30 survey responses.
Palos Verdes Primary & Specialty Care |
501 Deep Valley Drive, Suite 100 Rolling Hills Estates, CA 90274
310-303-3953
+1 more location
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Languages

English

Education

Medical Board Certifications

Cardiovascular Disease, American Board of Internal Medicine, 2025
Internal Medicine, American Board of Internal Medicine, 2021

Fellowship

Cardiovascular Disease, UCLA Cardiology Fellowship, 2025

Residencies

Chief Residency, UCLA School of Medicine: Internal Medicine, 2022
Internal Medicine, UCLA School of Medicine: Internal Medicine, 2021

Degree

MD, Keck School of Medicine of the USC, 2018

Locations

UCLA Health Palos Verdes Primary & Specialty Care
South Bay

Palos Verdes Primary & Specialty Care

Family Medicine| Internal Medicine
Location Details
UCLA Health 3500 Lomita Blvd
South Bay

Torrance Lomita Specialty Care

Cardiology| Pain Medicine| Podiatry
+5 more specialties
Location Details

Insurance

  • Aetna
  • Anthem Blue Cross
  • Blue Shield of California
  • Centivo
  • Cigna
  • First Health
  • Health Net of California
  • Interplan (part of HealthSmart)
  • Medicare Advantage
  • MultiPlan
  • UFCM Health System
  • Prime Health Services
  • Private Healthcare Systems (PHCS)
  • TRICARE
  • UnitedHealthcare

The list of healthcare plans above may not be comprehensive and could change. 
Please contact your benefits coordinator or health insurance company directly to verify coverage.

Visit our health insurance information page for more details.

Reviews

Overall rating: 5.0
Star ratings are displayed only for those physicians who participate in UCLA Health’s patient experience survey program and have received a minimum of 30 survey responses.
181 total ratings | 72 reviews
5.0
What can I say? I like Mr. O’Brien is visit that I have with them. I learned something more about my issues. A very likable person. I give him a six.
5.0
Dr. O’Brien was thorough professional, compassionate and answered questions addressing all my concerns. The nurse/PA also demonstrated the same skills. Front office check-in, and departure were also conducted in the most professional of manners. This was my first visit with Dr. O’Brien (and office); I was completely pleased.
5.0
He is simply the best
5.0
Very thorough and helpful.
5.0
Dr O’Brien answered my questions and put me at ease regarding a new drug I begin taking. Dr O’Brien has always been responsive - really great cardiologist. He made time for me via video conference within 1 hr of my questions..
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