Meet The Drugless Doctors


Dr. Robert DeMaria

Dr. Robert DeMaria

Dr. Bob DeMaria is an accomplished healthcare provider with over forty years experience helping individuals from all over the world without ever prescribing a single medication. His educational background includes a degree in Human Biology, specialties in Spinal Engineering and Natural Orthopedic Treatments, valedictorian of his chiropractic class at National University of Health Sciences, and an NHD degree.

He is the founder of The Drugless Doctors, a chiropractic and nutrition-based practice, with locations in Cleveland, Ohio and Naples, Florida. His extensive research and clinical observations have been the foundation for his ten books, including the new, “Dr. Bob’s Guide to a Healthy Marriage,” which he co-wrote with his wife, Debbie, and his YouVersion devotionals, which have been viewed from people all over the world.

An avid fan of life after 5pm, Dr. Bob enjoys riding his bicycle, playing bocce, and celebrating any occasion with his family.


Dr. Anthony DeMaria

Dr. Anthony DeMaria

Dr. Anthony DeMaria is a second-generation chiropractor who bridges traditional and emerging chiropractic techniques alongside nutritional advancements to the practice members who visit The Drugless Doctors from all over the world. This foundation was honed at Life University, where Dr. Anthony served as Valedictorian of his graduating class, and now represents the University as a member of their Alumni Board. Since joining The Drugless Doctors, Dr. Anthony has complemented Dr. Bob and Debbie DeMaria’s vision of helping others heal themselves without prescribing medication and can be regularly seen throughout the community with his wife, Dr. Casen DeMaria, promoting the benefits of a healthy lifestyle through chiropractic. He is also the author and co-author of three research studies on weight loss, Tourette’s syndrome, and subluxation which can be downloaded to read at the bottom of this page.

When The Drugless Doctors’ polo comes off, you can find him cheering on Cleveland sports organizations, or taking a bicycle ride with Dr. Casen in the Metroparks.

Education: Bachelor’s of Science - Messiah College, Doctor of Chiropractic - Life University; Valedictorian

Certifications: Motion Specific Technique, Webster Technique, CACCP in advanced post-graduate training from the International Chiropractic Pediatric Association (ICPA).


Dr. Casen DeMaria

Dr. Casen DeMaria

Dr. Casen DeMaria gets to live out her dream job everyday as a chiropractor. As a registered massage therapist, Dr. Casen knew she wanted to continue to add value to the individuals she was helping each day, and enrolled at Life University where she received her Doctor of Chiropractic. Since joining The Drugless Doctors, Dr. Casen actively pursues new ways to reach and educate the community about the benefits of chiropractic, drugless care, and breast thermography, which includes successful partnerships with local businesses and women’s organizations. The insights she continues to learn have been subjects of her peer-reviewed journals, which can be downloaded below.

When she is not helping people you can find her spending time with Dr. Anthony adventuring to new places and bike riding.

Education: Doctor of Chiropractic - Life University

Certifications: Webster Technique, CACCP in pregnancy and pediatrics by the International Chiropractic Pediatric Association (ICPA), Clinical Thermographer (CT)


Debbie DeMaria

Debbie DeMaria

We could all use some encouragement from Debbie DeMaria. The backbone of The Drugless Doctor brands, she helps raise up leaders, takes time for a friend, and listens to those who have something to say. Her successes in the marketplace and at home are often well-received when she shares her secrets at conferences all over the world. When Debbie is spending ‘season’ in Naples, she is the one who administers Breast Thermography at our Naples practice.

Certifications: Clinical Thermographer (CT)

Download Debbie’s Speaking Bio & Info


We love to partner with local organizations, please visit our “At Work” page to learn more about how we can make our communities healthier.


Download Our Peer Reviewed Case Studies

Tourettes (PDF) | Migraines (PDF) | Pierce Results (PDF) | Weight Loss (PDF)