Summary

Dr. Marianne Ryan is a surgeon with 37 years of experience specializing in breast cancer treatment and related surgical procedures. She earned her medical degree from the University of Washington School of Medicine and has dedicated her career to helping patients navigate complex breast health conditions. Dr. Ryan speaks English and brings nearly four decades of surgical expertise to her practice.

Dr. Ryan practices at Kaiser Permanente South Bay Medical Center in Harbor City, California. She focuses on treating breast cancer, including metastatic cases and Paget disease of the breast. Her surgical skills include performing pathology tests and comprehensive metabolic panels to help diagnose and monitor patient conditions. Patients have given her an average rating of 3.0 on Vitals.

Overview based on verified provider data

Quick Facts

  • 3
  • 37 years of experience
  • 25 insurance plans accepted
  • speaks English
  • University Of Washington School Of Medicine
  • 2 specialties
  • 2 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Female

Office Location

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Dr. Marianne Katharine Ryan, MD
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Dr. Marianne Katharine Ryan, MDDr. Carlos M Rodriguez GonzalezDr. Keith Allen EmmonsDr. Nir Wasserberg
SurgeryEmergency MedicineDentistryColorectal Surgery
Accepts New Patients
37 Years of Experience 17 Years of Experience 46 Years of Experience 31 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English
Harbor City , CALos Angeles , CALos Angeles , CALos Angeles , CA
Med School: University Of Washington School Of Medicine Med School: San Juan Bautista School Of Medicine Med School: University Of Illinois At Chicago College Of Medicine Med School: Sackler School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Marianne Katharine Ryan

  • Aetna
  • Alameda Alliance for Health
  • AltaMed Senior BuenaCare (PACE)
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • CalOptima
  • Cigna
  • Contra Costa Health Plan
  • Health Net
  • Health Net - HMO
  • Humana
  • Humana - HMO
  • Kaiser Permanente
  • Kaiser Permanente - DHMO
  • Kaiser Permanente - PPO
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • L.A. Care Health Plan - Medicaid
  • Medicare
  • Medicare - Medicare
  • Molina Healthcare
  • Optum Health
  • UnitedHealthcare
  • UnitedHealthcare - HMO

Medical Specialties

Dr. Marianne Katharine Ryan has the following 2 specialties

Specialty Expertise

Dr. Marianne Katharine Ryan has the following 2 areas of expertise

  • Laparoscopic Surgery (Laparoscopy)
  • Other

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 expires 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

What languages does Dr. Marianne Ryan speak?
Dr. Marianne Ryan speaks English.
Does Dr. Marianne Ryan accept virtual/telehealth appointments?
Dr. Marianne Ryan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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.
Which hospitals is Dr. Marianne Ryan affiliated with?
Dr. Marianne Ryan is affiliated with Kaiser Permanente South Bay Medical Center.
Where is Dr. Marianne Ryan's office located?
Dr. Marianne Ryan's office is located at 25825 Vermont Ave, Harbor City, CA, 90710.

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