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Mark John McCartin, MD

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My specialty:
Emergency Medicine

My provider affiliation:
Kaiser Permanente provider

I speak: English

My gender: Male

Where I practice

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Available services
  • Emergency service
  • Urgent care services
  • After-hours services
  • Pharmacy services
Unavailable services
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  • No after-hours services
  • No pharmacy services
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About me

Welcome to my Web page. I am happy to have this chance to introduce myself and tell you about my work as a physician and physician administrator at Kaiser Permanente. I am a board-certified emergency physician and have practiced for more than 20 years at Kaiser Permanente’s South Bay Medical Center. In 1997, I transitioned into my administrative role at the Case Coordination Center (CCC) for Kaiser Permanente Southern California. I feel fortunate to be able to work at Kaiser Permanente as both a clinician and an administrator, striving for excellence.


I am a native Southern Californian who grew up on the beach. I was a beach lifeguard for 9 years, and during that time I became interested in being an emergency physician. I enjoyed the first-aid aspects of the job and being able to help people right away.

About my practice

I perform a number of different functions for Kaiser Permanente. First of all, I work at the CCC, helping physicians care for our members when they are at non-Kaiser Permanente emergency facilities. By providing updated medical records and access to members' previous X-rays, lab tests, and electrocardiograms, I help outside physicians care for our members in an efficient manner. I also help arrange for follow-up appointments or consultations with specialists. In addition to my work at the CCC, I continue to enjoy working in the Emergency Department.

How I thrive

I am very physically active. I am a member of the Irvine Novaquatics Masters Swim Team, and I compete in many different athletic contests every year (in fact, one of my New Year's resolutions every year is to compete in new athletic events). I have competed in such events as the Orange County Marathon, the Caltech Pentathlon, the Escape from Alcatraz Sharkfest Swim (from Alcatraz Island to Fisherman's Wharf and the Kaiser Permanente Los Angeles Triathlon. I train for the Southern Pacific Masters Swim Championships every year. I have also ridden the Solvang Century, a 104-mile bike ride—it took me almost 7 hours. I also competed in several Half Ironman events (1.2-mile swim, 56-mile bike ride, and half-marathon run). Every year, something different. In June 2013 I completed my first full Ironman race in 14 hours, 20 minutes (2.4-mile swim, 112-mile bike ride, and then run a 26.2-mile marathon). My latest event was Ironman Florida.

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My office

Languages spoken by medical staff

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My provider type

Physicians and Surgeons

Medical groups and plans

Southern California Permanente Medical Group

List Header Plans Accepted
  • Exclusive Provider Organization (EPO)
  • HMO
  • Medi-Cal Managed Care
  • Point-of-Service Plan (POS)
  • Senior Advantage/Medicare Cost
Acute Care-med/surg Department
25825 S Vermont Ave, Harbor City, CA 90710

Contact information

  • Advice/appointments/cancellations/messages
  • 1-833-574-2273 (1-833-KP4CARE) (toll free)
  • California Relay Service
  • 711 (TTY for the hearing/speech impaired)
  • Hospital patients information
  • 310-325-5111

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My training, certifications and licensing

Medical school

Baylor College of Medicine
Houston , TX

Board certification

Emergency Medicine

American Board of Emergency Medicine

Medical training


General Surgery

Los Angeles County-Harbor-UC Los Angeles Medical Center
Los Angeles , CA

Joined Permanente Medical Group


Active license information

License number


License type


License issuing state


National Provider Identifier (NPI)

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My hospitals

This information is not available at this time.

To find:

  • a provider's office hours, search our facility directory
  • providers in your plan or accepting new patients, call 1-800-464-4000 (toll free) or 711 (TTY for the hearing/speech impaired)

The information in this online directory is updated periodically. The availability of physicians, hospitals, providers, and services may change. Information about a practitioner is provided to us by the practitioner or is obtained as part of the credentialing process. If you have questions, please call us at 1-800-464-4000 (toll free). For the hearing and speech impaired: 1-800-464-4000 (toll free) or TTY 711 (toll free). You can also call the Medical Board of California at 916-263-2382, or visit their website.

We want to speak to you in the language that you’re most comfortable with when you call or visit us. Qualified interpreter services, including sign language, are available at no cost, 24 hours a day, 7 days a week during all hours of operations at all points of contact. We do not encourage the use of family, friends or minors as interpreters. Only the services of interpreters and qualified staff are used to provide language assistance. These may include bilingual providers, staff, and healthcare interpreters. In-person, telephone, video, and alternative modes of communication are available. Learn more about interpreter services

If you would like to report an error in provider or facility information, please contact us.

Kaiser Permanente enrollees have full and equal access to covered services, including enrollees with disabilities as required under the Federal Americans with Disabilities Act of 1990 and Section 504 of the Rehabilitation Act of 1973.

Kaiser Permanente uses the same quality, member experience, or cost-related measures to select practitioners and facilities in Marketplace Silver-tier plans as it does for all other Kaiser Foundation Health Plan (KFHP) products and lines of business.The measures may include, but are not limited to, HEDIS/CAHPS performance, member/patient complaints, patient safety scores, hospital quality measures, and geographic need. Members enrolled in KFHP Marketplace plans have access to all professional, institutional and ancillary health care providers who participate in KFHP plans’ contracted provider network, in accordance with the terms of members’ KFHP plan of coverage. All Kaiser Permanente Medical Group physicians and network physicians are subject to the same quality review processes and certifications.
Kaiser Permanente uses the same geographic distribution consideration to select hospitals in Marketplace plans as it does for all other Kaiser Foundation Health Plan (KFHP) products and lines of business. Accessibility of medical offices and medical centers in this directory: All Kaiser Permanente facilities are accessible to members.


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