Chiropractors in Gaithersburg, MD | Potomac Valley Chiropractic

Your Doctors

Meet the doctors helping you feel your best

Dr. Spiro Theodore and Dr. Marvin Diaz combine 25+ years of experience with a personalized, science-based approach — so you can get out of pain and back to the activities you love.

Personalized care

Both doctors are known for clear explanations, hands-on treatment, and care plans built around the patient in front of them — not a generic protocol.

Chiropractic care with physical therapy privileges
Hands-on treatment combined with rehab when it helps
Honest guidance and realistic expectations

Wide clinical experience

Our doctors treat patients across back and neck pain, headaches, TMJ, sciatica, sports injuries, and accident recovery — all under one roof.

Back and neck pain
Headaches, migraines, and TMJ concerns
Sports, soft tissue, and auto accident injuries

Trusted in the community

Patients across Gaithersburg and Montgomery County have trusted our doctors for over 25 years — and the reviews speak for themselves.

25+ years serving Gaithersburg
5,000+ patients treated
180+ five-star reviews

Explore your options

Browse our services and the conditions we treat to see exactly how we can help you get out of pain and feel your best.

Treatments Conditions

Dr. Spiro Theodore, D.C.

Graduate of Life University in Georgia

Over 20 years of chiropractic experience

Uses diversified adjustments, kinesiology, Activator methods, trigger point therapy, and myofascial release

Physical therapy privileges with ultrasound, electrical stimulation, traction, and guided exercise support

Montgomery County native and Wootton High School graduate