Andrew G. Mortensen, DDS, Inc.
General Dentist

Appointments: (714) 964-4183

Fountain Valley, CA, Cosmetic Dentist
Fountain Valley - Costa Mesa - Newport Beach - Huntington Beach - Santa Ana

Practice Photo

Root Canal

Teeth Whitening

Dental Implant Crowns

Restorative Dentistry

Dental Hygiene Treatment

Aesthetic Dentistry

Tooth Cleaning

Sedation Dentistry

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Meet the Doctor

Andrew G Mortensen

I am proud to have served patients in our community. Through continuing education and state-of-the-art equipment, we are able to offer you and your family the high level of care you’re looking for. Our team at Andrew G Mortensen DDS Inc and I will give you a warm welcome and our ongoing commitment to your dental health.

Dr. Mortensen has trained with some of the world's most prominent Cosmetic Dental Specialists.

He is rapidly becoming known as Fountain Valley area's leading dentist for people who want Cosmetic Dentistry.

Credentials and Memberships

  • American Dental Association
  • A graduate of the prestigious Las Vegas Institute
  • Orange County Dental Society
  • Member of American Academy of Cosmetic Dentistry (AACD)
  • Honors graduate from Northwestern University Dental School
  • California State Dental Association

Appointment Phone:

(714) 964-4183

Our practice accepts insurance from the following companies.

Delta Dental

Delta Dental

Delta Dental Plans Association is a not-for-profit organization with some for-profit affiliates as member companies. Through its 39 independent member companies, it offers national dental coverage to our Fountain Valley dental patients - administering programs and reporting systems that provide employees and individuals with quality, cost-effective dental benefits and superior customer service.



Aetna is a national leader of health and related benefits offering dental insurance to our Fountain Valley patients, as well as health insurance, pharmacy, and life insurance products for individuals, medicare insurance and disability.

Comfortable, clear Invisalign® braces

Fountain Valley area Invisalign® dentist Andrew Mortensen, D.D.S. is happy to provide your new clear braces. At Andrew G. Mortensen, DDS, Inc., we want you to have the straight teeth and beautiful smile you desire.

We're happy to assess your needs create your individual treatment plan for braces. You may be able to have your new Invisalign® aligners sooner than you think!

Dental insurance accepted and filed for you

At Andrew G. Mortensen, DDS, Inc., we accept several types of dental insurance. With the proper information, Dr. Mortensen and his staff will be happy to file your insurance claim for you. We strive to make the insurance paperwork process as simple and streamlined as possible. You are only personally responsible for the co-pay or deductible amount.

Soothing nitrous oxide (laughing gas)

If you're concerned about dental treatments, soothing nitrous oxide (laughing gas) is one of a number of options available at Andrew G. Mortensen, DDS, Inc. to help reduce your dental anxiety. Fountain Valley, California, area dentist, Dr. Mortensen, wants your dental visit to be as comfortable as possible.

Implants - the alternative to dentures

If you are missing one or more teeth, you'll want to talk with Fountain Valley area dental implant dentist Dr. Andrew Mortensen about replacements that look and feel as natural as your own teeth. If dentures are causing you problems, you may consider dental implants. Unlike dentures, which can be removed, Dr. Mortensen offers dental implants that are permanently anchored into the jaw itself.

NTI-tss plus to relieve migraines

Andrew G. Mortensen, DDS, Inc. is a trusted Fountain Valley area NTI-tss plus provider. Our highly-trained team fit you with a custom bite guard designed to relieve headaches and migraines caused by jaw clenching during sleep.

Each person is unique. Our experienced team will provide you with the individualized care you deserve for your situation.

Call for an Appointment!

(714) 964-4183

Andrew G. Mortensen, DDS, Inc.
18837 Brookhurst, Suite 109
Fountain Valley, CA 92708
General Info: (714) 964-4183
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Appointments: (714) 964-4183

  Morning Afternoon
Mon. 7:30am - 12pm 12pm - 4:30pm
Tue. 7:30am - 12pm 12pm - 4:30pm
Wed. 7:30am - 12pm 12pm - 4:30pm
Thu. 7:30am - 12pm 12pm - 4:30pm
Fri. 7:30am - 12pm 12pm - 4:30pm
Sat. Closed Closed
Sun. Closed Closed

Appointment Phone:

(714) 964-4183

How to Find Us

Dr. Mortensen's office is conveniently located at 18837 Brookhurst Street Suite 109 in Fountain Valley CA, in the Centennial Plaza next to Marie Callendar's, 1/2 block north of Garfield.

Primary Office Holidays

This office is closed on the following holidays: New Year's Day, President's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, Christmas Day.

Fountain Valley Cosmetic Dentistry for a Terrific New Smile

At Andrew G. Mortensen, DDS, Inc. we provide a wide variety of affordable options to get you the most perfect teeth possible, including natural-looking porcelain dental veneers and tooth-colored composite fillings.

If you're interested in a whiter smile, we offer a range of gentle bleaching procedures that protect your enamel while brightening your smile.

Dr. Mortensen is also experienced in dental bridges and dental crowns to make sure your smile dazzles everyone.

Call now for an appointment for Fountain Valley cosmetic dentistry at (714) 964-4183 or just fill out our simple online form. Please don't hesitate to contact us if you have any questions. We are here to help, and look forward to speaking with you!

Practice Services

  • Comfortable, clear Invisalign® braces
  • Prosthodontics for a natural-looking smile
  • Safe, professional teeth removal
  • Dental insurance accepted and filed for you
  • NTI-tss plus to relieve migraines
  • Zoom!® teeth whitening for a bright smile
  • Convenient, professional denture repair
  • Dental anesthesia for stress-free care
  • Six Month Smiles® for straight teeth in less time
  • Aesthetic dentistry for beautiful results
  • Implants - the alternative to dentures
  • Dental payment plans available - just ask us!
  • Fast, Effective Six Month Braces®
  • Natural looking bridges and dentures
  • Soothing nitrous oxide (laughing gas)
The Internet Dental Alliance, is dentistry’s leading marketing company. We specialize in dental marketing, new patient leads and web site design.

Appointment Phone:

(714) 964-4183

Zoom tooth whitening Invisalign braces DIAGNOdent NTI-tss Plus