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Obstetrician & Gynecologist (OB/GYN), Oncology Specialist (cancer)
34 years of experience
Accepting new patients
Video profile
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Mark Rettenmaier:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (13)

The overall average patient rating of Dr. Mark Rettenmaier is Good. Dr. Rettenmaier has been reviewed by 56 patients who have provided 13 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.8
Promptness 3.8
Courteous Staff 4.0
Accurate Diagnosis 3.6
Bedside Manner 3.4
Spends Time with Me 3.6
Follows Up After Visit 3.4

Specialties & Research

Dr. Mark Rettenmaier, MD is board certified in Obstetrics & Gynecology and Gynecologic Oncology.

  • He has special expertise in 4 areas:
  • Cancer
  • Gynecology
  • Hot Flashes
  • Menopause

Education & Awards

Dr. Rettenmaier graduated from University of Iowa, Iowa City. He has 3 awards.

Junior Faculty Clinical Fellow
Department of Obstetrics and Gynecology
CalOptima Circle of Life Award


Dr. Rettenmaier has 24 hospital affiliations:

  • Los Alamitos Medical Center 
  • St. Joseph Hospital - Orange 


  • Spanish
  • English

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Additional Information
Dr. Mark A Rettenmaier MD is a male Obstetrician & Gynecologist, has 34 years of experience and practices in Obstetrics & Gynecology and Gynecologic Oncology.
Where does Dr. Mark A. Rettenmaier practice?
Dr. Mark Rettenmaier has 1 office location.
Dr. Mark Rettenmaier practices Obstetrics & Gynecology and Gynecologic Oncology near Newport Beach, CA.
See Newport Beach Obstetricians & Gynecologists.