Welcome to Mark J. Romanelli, DDS
Proudly serving North SLO County for over 30 years

Dentist Atascadero CA


At Mark J. Romanelli, DDS, we believe that optimal dental health is an integral component of good overall physical and mental health. Through continuing education, advanced procedure training, state-of-the-art materials and techniques, technological advances and by teaming with a well established team of specialists in our community, we work to provide our patients a pathway to beautiful, durable and healthy smiles. We believe that by practicing preventive dentistry and providing patient education and encouragement, we can take a conservative approach to providing dental care.

Experienced & Caring Team
for high quality care


The team at Mark J. Romanelli, DDS, is composed of extensively trained, highly experienced, compassionate dental professionals. We feel a responsibility to help our patients understand their dental conditions and present what options are available to address dental concerns as they arise. Customized treatment options and alternatives that match our patient’s needs to their expectations are presented whenever possible. We take pride in creating and maintaining beautiful smiles.

Learn More About Our Team

With a Spirit of Giving


While providing the highest quality of care to patients within our practice is our calling and our passion, we feel an obligation to serve persons beyond our community as well. To that end, Dr. Romanelli has helped organize and participate in local school dental screenings, community health fairs, CDA Cares events and Baja Mission programs going back 30 years. During that time many thousands of patients have benefitted from our volunteer efforts. Dr. Romanelli also serves on California Dental Association’s “Board of Managers” which is tasked with producing the California State Dental Conventions; considered amongst the highest rated dental meetings in the world.

Learn More About who we Work With
  • Great care! Love the office staff. I've been a patient for over 20 years. I have a lot of respect for Dr. Romanelli and his ability, knowledge and skill. I would highly recommend him for all of your dental needs.
    ~Jay S
  • I highly recommend Dr. Romanelli and his staff! They are attentive, knowledgeable and always keep you comfortable! Lisa always greats me with a 'hello' and the dental hygienists do a great job. I've been going to their office for over 15 years and know I can count on them to help me make informed decisions about my dental care.
    ~Jenn F.
  • I’ve been a patient of the practice for over 20 years and I wouldn’t go any where else. The staff is friendly and very helpful. The doctor explains everything before he starts and I’ve never had a problem with my teeth. He goes above and beyond for his patients!
    Judy C.
Great care! Love the office staff. I've been a patient for over 20 years. I have a lot of respect for Dr. Romanelli and his ability, knowledge and skill. I would highly recommend him for all of your dental needs.
~Jay S
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Mark Romanelli, DDS, 4555 El Camino Real, Atascadero, CA, 93422-2700 - Key Phrases: dentist Atascadero CA• dentist Atascadero CA• (805) 468-4659• www.dentalatascadero.com• 7/13/2018