3
2 Ratings
Summary
Dr. Marianne Ryan is a surgeon with 37 years of experience treating patients in Southern California. She earned her medical degree from the University of Washington School of Medicine and has dedicated her career to surgical care with specialized expertise in complex conditions. Dr. Ryan provides care in English and brings nearly four decades of surgical knowledge to her practice.
Dr. Ryan practices at Kaiser Permanente South Bay Medical Center in Harbor City, California. She specializes in treating breast cancer, including metastatic cases and Paget disease of the breast. Her surgical expertise includes performing brain tumor biopsies and working with pathology testing to help diagnose and treat patients. Patients have given Dr. Ryan an average rating of 3.0 on Vitals.
Dr. Ryan practices at Kaiser Permanente South Bay Medical Center in Harbor City, California. She specializes in treating breast cancer, including metastatic cases and Paget disease of the breast. Her surgical expertise includes performing brain tumor biopsies and working with pathology testing to help diagnose and treat patients. Patients have given Dr. Ryan an average rating of 3.0 on Vitals.
Overview based on verified provider data
Quick Facts
- 37 years of experience
- 25 insurance plans accepted
- speaks English
- University Of Washington School Of Medicine
- 2 specialties
- 2 areas of expertise
- 1 hospital affiliation
- 1 office location
- Female
Office Location
Kaiser Permanente South Bay Medical Center
25825 Vermont AveHarbor City, CA 90710 Tel: (310) 325-5111
Compare with Similar Doctors
 |  | | |
| Dr. Marianne Katharine Ryan, MD | Edward Sung Cho | Keyur Dinesh Patel | Aisha Waris Shaheen |
| Surgery | Critical Care Medicine | Critical Care Medicine | Critical Care Medicine |
| Accepts New Patients | |||
| 37 Years of Experience | 9 Years of Experience | 9 Years of Experience | 17 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | |||
| Harbor City , CA | Riverside , CA | Dallas , TX | ROLLING HILLS ESTATES , CA |
| Med School: University Of Washington School Of Medicine | Med School: Pennsylvania State University College Of Medicine | Med School: Sidney Kimmel Medical College At Thomas Jefferson University | Med School: Lewis Katz School Of Medicine At Temple University |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Marianne Katharine Ryan
Medical Specialties
Dr. Marianne Katharine Ryan has the following 2 specialties
Specialty Expertise
Dr. Marianne Katharine Ryan has the following 2 areas of expertise
Certifications, License, & Education
37 Years Experience
Dr. Marianne Katharine Ryan 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
Medical School
Graduated from University Of Washington School Of Medicine in 1989.
NPI Number
Dr. Ryan's NPI number is 1336216183.
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Frequently Asked Questions
- How can I make an appointment with Dr. Marianne Ryan?
- You can find contact information for Dr. Marianne Ryan here on Vitals.
- What languages does Dr. Marianne Ryan speak?
- Dr. Marianne Ryan speaks English.
- Is Dr. Marianne Ryan accepting new patients?
- Dr. Marianne Ryan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Marianne Ryan accept my insurance?
- You can see the insurance plans that Dr. Marianne Ryan accepts on their Vitals profile.
- Which hospitals is Dr. Marianne Ryan affiliated with?
- Dr. Marianne Ryan is affiliated with Kaiser Permanente South Bay Medical Center.
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