Michael G. McMahon, DDS A Professional Dental Corporation

About Michael G. McMahon, DDS A Professional Dental Corporation

Michael G. McMahon, DDS A Professional Dental Corporation, is a San Diego based family dentist practice that treats patients of all ages. We are committed to delivering the highest quality dental care and do so using advanced dental equipment. We are a cosmetic dentist that offers services like checkups, teeth cleaning, crowns, veneers and more.

We also perform emergency dentist services that include bonding, root canals, crowns, and bridges. As a local dentist, we create lifelong relationships with our patients and their families and work to ensure that they receive treatments in a comfortable and relaxed environment. Dr. Michael G. McMahon, DDS and our staff invite you to schedule an appointment by calling 619-805-4250 and experience why our patients think Michael G. McMahon, DDS A Professional Dental Corporation, is the best dentist in San Diego.

Meet The Doctors

Michael G. McMahon

Michael G. McMahon

Doctor of Dental Surgery

Dr. McMahon is a native San Diegan who grew up in Point Loma. He completed his undergraduate work at the University of California at San Diego in 1981. Dr. McMahon received his Doctorate of Dental Surgery from the University of Southern California, School of Dentistry in 1986. Dr. McMahon has been in private practice in San Diego since 1986. In our office we offer a complete dental health facility for the entire family. Our office provides dental care to adults and children, advanced, quality services in all aspects of dental care including: Restorative (fillings, and crowns) Dentistry, Prosthetic (bridges, partial and full dentures) Dentistry, Cosmetic Dentistry, Implant Dentistry, Dental Hygiene Services, Periodontal (gum disease) Services, and an in-office, full service, dental laboratory.


  • Graduate of University of Southern California, DDS
  • Graduate of University of California, San Diego, BS


  • CDA - California Dental Association
  • ADA - American Dental Association
  • SDCDS - San Diego County Dental Society

Meet The Team

Vanessa Diaz

Vanessa Diaz is our office manager, she has been in the dental field for over 17yrs. She is experience on both clinical and administration side. The most she likes about her job is helping to give others the confidence to smile. Vanessa was born in San Bernardino, CA and raised in San Diego. She’s married to the love of her life Merlyn which she works for UCSD as a credential specialist and coaches track and field and cross country for Flojo International. They have two beautiful daughters Bianca who is in her 12 th year of high school, she is very involved in the JROTC program which she plans to join the military after she graduates. Their youngest Melanie is 12yrs old and in 7 th grade she enjoys track and field her main event is Racewalk, she placed 1 st place for her region for the past 2 yrs. As you can tell they are a very active family. Vanessa enjoys music and walks by the beach, most the most important this she enjoys is taking family trips and creating memories with her family.

Crystal Johnson

Crystal Johnson is our floater so you may see her at the front desk helping patients with appointments/ insurance or you may see her in the back assisting Dr. McMahon/working in the lab. Originally from Seattle, Washington, Crystal came to us by way of the U.S. Navy. Her husband Franklin is currently serving on the USS Essex and together they have a 2 year old son, Sebastian. She enjoys taking her son to the beach, finding new and exciting restaurants, drinking wine and reading. When not doing those things you?ll find her at the nail shop or doing her nails. She?s a nail fanatic!

Kristie Silva

Coming Soon

Karina Gomez

Karina Gomez was born and raised in San Diego she has been a dental assistant for 9yrs now and she has been along side with Dr. McMahon for 2 years. She enjoys family time with her husband Gio which they have two kids Ryan who is 5yrs old, and Kylie 2 ½ years old. She loves and enjoys health and fitness, crafts country music, hiking , camping, red wine and of course pizza..