Mark Joseph Fredrick, MD
Please contact to confirm appointment availability
Please contact to confirm appointment availability
Specialty
Internal Medicine
Languages
English
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Seeing patients at
Patient Reviews
Patient review summary
Learn about our survey5
4
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4.7
69 reviews
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- 5.0 Reviewed on May 30, 2026
- Verified Review
Dr. Fredrick is very knowledgeable and fiendly, polite and courteous, making you feel at ease while discussing your health condition.
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- 5.0 Reviewed on May 25, 2026
- Verified Review
He is the best doctor.
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- 5.0 Reviewed on May 17, 2026
- Verified Review
He has been my physician for 25+ years and have always been pleased with his care.
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- 5.0 Reviewed on Apr 24, 2026
- Verified Review
Best doctor i ever have
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- 1.0 Reviewed on Apr 22, 2026
- Verified Review
I already provided this response in the previous comments box.
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- 5.0 Reviewed on Apr 22, 2026
- Verified Review
Because
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- 3.5 Reviewed on Apr 22, 2026
- Verified Review
Appears to be relatively competent. He has taken way too long to provide a referral for an MRI and an ENT
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- 5.0 Reviewed on Apr 21, 2026
- Verified Review
Very good doctor
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- 5.0 Reviewed on Apr 17, 2026
- Verified Review
Listens to your concerns
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- 5.0 Reviewed on Apr 16, 2026
- Verified Review
Caring, listens, responds to concerns and offers effective treatment. I feel very comfortable with him, and I don't feel rushed.
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- 5.0 Reviewed on Apr 7, 2026
- Verified Review
Friendly and couteous
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- 5.0 Reviewed on Mar 15, 2026
- Verified Review
Dr. Fredrick is a class act and fantastic MD.
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- 5.0 Reviewed on Mar 12, 2026
- Verified Review
He is very personable and listens to our needs. Shares the possibilities of treatment and therapy. Makes followup calls to check up on how we are doing.
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- 5.0 Reviewed on Mar 5, 2026
- Verified Review
He is knowledgeable, friendly, and caring!
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- 5.0 Reviewed on Mar 2, 2026
- Verified Review
The rating I gave was for the way Optum takes our telephone calls. Dr. Fredrick has always been very good asks questions and always sees that you understants them .I .wou;d always recommend him.
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- 5.0 Reviewed on Feb 26, 2026
- Verified Review
He is a very good docker
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- 4.0 Reviewed on Feb 26, 2026
- Verified Review
Thorough
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- 5.0 Reviewed on Feb 14, 2026
- Verified Review
Dr. Fredrick is not only an exceptional physician but also a truly compassionate human being. His knowledge and professionalism are outstanding, but what sets him apart is the warmth and kindness he shows to his patients. I always leave his office feeling reassured and supported. I am deeply grateful to have him as my doctor-he is, without question, the best healthcare provider I have ever had.
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- 5.0 Reviewed on Feb 14, 2026
- Verified Review
He is the best! Answers all my questions and really is a great listener!!
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- 5.0 Reviewed on Feb 12, 2026
- Verified Review
He listens to my problems and has always been able to get me the help I need
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About Mark Joseph Fredrick, MD
Mark Fredrick, MD, is board certified in internal medicine. Dr. Fredrick earned his medical degree from Indiana University School of Medicine. He completed his internship and residency at Los Angeles County-USC Medical Center. In his spare time, Dr. Fredrick enjoys bicycling, photography and traveling. In addition to English, he speaks medical Span ish.Gender
Male
Board certifications
American Board of Internal Medicine
Licenses
CA, G67380
Employed or contracted
Employed
Network Name
OptumCare HealthCarePartners California
NPI
1518964998
Hospital affiliations
Orange Coast Medical Center
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Medical School
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LAC & USC Medical Center
1989
Internship
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Los Angeles General Medical Center
1988
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The contact information listed will direct you to a licensed representative that works with Medicare enrollees to explain Medicare Advantage and Prescription Drug Plan options. There may not be plans available in your area. Any information provided is limited to those plans offered in your area.
*The contact information listed will direct you to a licensed representative that works with Medicare enrollees to explain Medicare Advantage and Prescription Drug Plan options. There may not be plans available in your area. Any information provided is limited to those plans offered in your area. Please contact Medicare.gov or 1-800-MEDICARE to get information on all of your options.
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