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We Keep San Marcos Smiling

145 S Las Posas Rd Ste 162
San Marcos, CA 92078

Request Your Dentist Appointment

Or call 760-736-4247

Office Hours

Mon    9:30 AM - 6:00 PM
Tues    10:00 AM - 6:00 PM
Wed    8:30 AM - 5:00 PM
Thurs  9:00 AM - 6:00 PM
Fri        7:30 AM - 3:00 PM
Sat       Closed
Sun      Closed


We are OPEN for ALL dental care procedures and emergency needs. Protecting the health and safety of our patients, families, and team members remains our number one priority.

Office Information

on the corner of Las Posas Rd & Grand Ave in the Grand Plaza Shopping Center, next to Sprouts


Las Posas Dental Practice and Orthodontics

145 S Las Posas Rd Ste 162

San Marcos, CA 92078

P: 760-736-4247

F: 760-736-8261

Get Directions


We accept and honor most dental insurance plans (PPO & HMO).

The following are just a few of the dental insurance carriers we're providers for: 

  • Aetna
  • Anthem Blue Cross
  • Cigna
  • Delta
  • Guardian
  • MetLife
  • United Health Care
Thanh Tran
Thanh Tran, DDS, BS
Las Posas Dental Practice and Orthodontics
"As a patient of mine, you should expect quality, personalized treatment delivered with care and compassion. Every patient should feel like family and will be treated as family."

We pride ourselves on our service.

We use advanced proven technology to keep your smile looking the best! Modern dental technology like Digital X-Rays and CEREC® CAD/CAM single-visit crowns allow care that's faster, less invasive and more efficient than ever before.

all services

What patients are saying

Welcome to Las Posas Dental Practice and Orthodontics

The dentists at Las Posas Dental Practice and Orthodontics will help you achieve and maintain great oral health and a bright smile. To find our practice, head to the corner of Las Posas Rd and Grand Ave, in the Grand Plaza Shopping Center, next to Sprouts. You can book your next appointment by calling our friendly front-office staff or scheduling through our convenient online scheduling feature. Choose the teledentistry option if you prefer a private consultation with your dentist over your phone, computer, or tablet. We recommend calling if you are suffering from pain, swelling, or an infection. We are open for these types of dental emergencies, even on weekends. We believe in serving our community with modern dentistry in a family-oriented environment. Our state-of-the-art technology combined with highly skilled clinicians is the key to unlock a smile you will love to show off. When your loved ones ask about your new smile, be sure to tell them about our team here. We accept most dental insurance plans and have a discount plan and flexible payment options available for our uninsured patients. Schedule your appointment and let us provide you with the perfect patient experience!


*$100 off dental treatment when patient donates $30, or more, to the indicated charity: watercampaign. Maximum discount of $100. Not valid on previous or ongoing treatment. Cannot be combined with any other offers. Limit 1 per patient. Excludes cleaning, exam, Digital X-rays, root planing and scaling, periodontal maintenance, and orthodontic therapy/ Invisalign. Subject to insurance restrictions; cannot be applied to insurance co-payments or deductible. AZ, CO, ID, NM Delta Dental members: valid toward cosmetic dentistry only. Valid with general dentist only. Not valid for Medicare, Medicaid, and/or Tricare beneficiaries. No cash or credit redemption value. Appointment must be booked prior to 5/31/23.