Steven McCarthy, MD

Steven McCarthy, MD

  • Internal Medicine
Average rating: 5.0
 
Thousand Oaks Primary & Specialty Care |

About

Dr. Steven McCarthy is a primary care physician in Thousand Oaks. He has 20 years of experience treating adult patients with a variety of health conditions, and focuses on preventive medicine and managing chronic conditions with evidence-based care. He listens to each individual’s concerns and practices holistic medicine, guiding patients to realize their health potential and maximize their quality of life. He is board certified in internal medicine.

Prior to joining UCLA Health, Dr. McCarthy worked as a general internist for Northwestern Regional Medical Group in a primary care office north of Chicago. In this role, he was awarded multiple quality care and patient advocacy awards.

Dr. McCarthy earned his medical degree from the University of Illinois at Chicago College of Medicine. He completed his internal medicine residency at Advocate Christ Hospital & Medical Center. He is a member of the American College of Physicians and the American Medical Society.

When he’s not working, Dr. McCarthy likes to stay active by playing golf and running half-marathons and other local races. He also enjoys wine and wine tastings, and spending time with his wife and two chocolate labs.

Languages

English

Education

Medical Board Certification

Internal Medicine, American Board of Internal Medicine, 2000

Residency

Internal Medicine, Advocate Christ Medical Center, 1999

Degree

MD, University of Illinois at Chicago College of Medicine, 1996

Hospital Affiliations

Ronald Reagan UCLA Medical Center

Areas of Focus

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 health care 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
283 total ratings | 141 reviews
5.0
July 30, 2025
I arrive several minutes before my schedule appointment and I was seated in the exam room at the moment my appointment was to begin. Yay❗️ Dr McCarthy answered all of my questions to my satisfaction.
5.0
July 30, 2025
On time. Exceedingly professional and attentive.
5.0
July 30, 2025
He is thorough and he listened
5.0
July 30, 2025
The doctor was professional and empathetic.
5.0
July 28, 2025
It was my first time meeting Dr Mc Carthy and he was very kind and professional