Photo of Mark Datuin, AuD from Mission Audiology

Mark Datuin,


Dr. Mark Datuin joined Mission Audiology in 2018. As a native of Orange County, he is thrilled to be able to serve the same community where he grew up and continues to live. Mark was inspired to pursue a career as an audiologist through his deep appreciation for live music and the performing arts. He cherishes the ability to hear well, which drives him to help patients improve their hearing to not only connect better with their friends and family, but also to maximize their enjoyment of live performances, music, movies, and television.

Dr. Datuin obtained his undergraduate degree in psychology at UC Irvine and his Doctorate of Audiology from a joint program of UC San Diego and San Diego State University.


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Healthy Hearing posts all positive and negative reviews that meet publishing criteria.

Read 16 verified patient reviews for Mission Audiology! Their average review score is 5 () from 16 reviews.

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“I just want to say my audio testing was very pleasant and professional. Mark took time to explain the process or agenda items of what he is going to do. Each step of the way, he showed me where he was in the large screen of 'road map' of the image of the ear. He also educated me on how the ears work with pictures on the screen. He asked question and listened in a professional manner, and he made sure I understand. I would recommend him without any reservations!”

Fred Y. of Mission Viejo, CA   
08/11/2023    Review submitted online

“Went in for my first hearing evaluation, Dr Datuin was very nice and explained everything in layman terms. He made me feel very comfortable. I would highly recommend the office to anyone looking for a good audiologist ”

Sally M. of Lake Forest, CA   
08/09/2023    Review submitted online

“Excellent service here. Been a patient with them for 10+ years. ”

Michael G. of Rancho Santa Margarita, CA   
08/20/2022    Review submitted online

“To be honest-I don’t have my phone handy-So Mark does a SUPER job helping me hear clearly.. Not a easy task— but I appreciate his expertise. Staff always on hand and Helpful ”

Sue J. of Mission Viejo, CA   
07/26/2022    Review submitted online

“Hearing aid technology is still miraculous for me. That they can program my hearing aids for my specific hearing problems (which, like everyone's, can be measured with many data points) makes me hear better each time I come in for a check-up. Mark answers my questions and issues with confidence.”

Steve T. of Irvine, CA   
06/30/2022    Review submitted online

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Clinic details

Transforming Lives Through Better Hearing

Mission Audiology provides complete diagnostic audiological services to assess hearing, as well as rehabilitative services to provide hearing aids, assistive devices and aural rehabilitation. We treat patients of all ages and offer the most advanced hearing devices that are available in a variety of styles that are customized for each patient. We can help you make the best choices with all of your hearing needs. We are an AudigyCertified hearing healthcare facility, which means we are among an elite group of audiology practices who are recognized for their commitment to the highest standard of patient care. 

Hearing care services

Our services and products include:

  • comprehensive and diagnostic hearing evaluations
  • tinnitus evaluation and treatment
  • hearing aid technology from major makes and models including Resound, Oticon, Lyric, Phonak, Widex, Starkey, Signia
  • hearing aid dispensing, sales, and fittings
  • custom hearing aids and custom programming
  • custom earmolds, earplugs, swimplugs, musician plugs
  • hearing aid repairs, parts, and service for all major brands
  • assistive listening devices and accessories
  • remote microphones, tv streamers, bluetooth connections to your smartphone

Call us today to schedule an appointment to improve your hearing. 

(949) 243-7807

Hours of operation

Monday9 am - 12 pm, 1 - 5 pm
by appointment
Tuesday9 am - 12 pm, 1 - 5 pm
by appointment
Wednesday9 am - 12 pm, 1 - 5 pm
by appointment
Thursday9 am - 12 pm, 1 - 5 pm
by appointment
Friday9 am - 12 pm, 1 - 5 pm
by appointment

Clinic links

Accepted forms of payment

  • Visa
  • MasterCard
  • American Express
  • Discover
  • Cash
  • Check
  • Debit
  • Financing available for those who qualify
  • Insurance accepted, please call for details
Disclaimer: This clinic profile is for general information purposes only.
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