Comprehensive medical services for your whole family. Walk in for immediate care or schedule an appointment for ongoing health management.
From everyday wellness visits to same-day urgent needs, Montgomery Medical Clinic gives you a physician who knows your history — and the flexibility to walk in when life doesn't wait.
Patients who see their doctor regularly manage chronic conditions better, spend less on care, and report stronger satisfaction with their health. We make that easier for every member of your family.
Our physicians are available without an appointment six days a week, with flexible hours and most holidays open — so you can see a doctor on your schedule, not the other way around.
We work with most major insurance carriers and file claims directly, so the focus stays on your care instead of the paperwork behind it.
View accepted providersIn-house bloodwork, digital X-ray, and advanced imaging mean faster answers and fewer referrals — you leave with a plan, not a waitlist.
From preventive care and routine checkups to urgent visits for immediate needs, we provide complete healthcare services for your family.
Board-certified physicians specializing in family medicine, dedicated to your health and wellbeing.
MD, MPH
Dr. Efi Kessous is a board-certified family medicine physician at Montgomery Medical Clinic. He is also an Assistant Professor and faculty member at The George Washington University School of Medicine & Health Sciences.
His clinical interests include procedural family medicine, injury management, women's health, and occupational medicine. Dr. Kessous is committed to providing comprehensive care for individuals and families.
He is a member of the American Academy of Family Physicians and serves as a designated FAA aviation medical examiner, bringing a diverse skill set to patient care.
MD
Dr. Bertha Velandia is an experienced family medicine physician who received her medical degree from the Universidad Nacional in Bogota, Colombia in 1983. She completed her residency in family medicine at the UAB Huntsville Medical Campus in 2009.
During her distinguished career, Dr. Velandia has received an outstanding award in Obstetrics and Gynecology. She has also dedicated time serving in rural communities and published research on scurvy in developed countries.
Dr. Velandia brings warmth and experience to every patient interaction, making healthcare accessible and compassionate for families in Gaithersburg.
DO, CAQSM
Dr. Lawless is dual board-certified in family medicine and sports medicine. He completed his training at Northwell Plainview Hospital in Plainview, NY, and graduated from Lake Erie College of Osteopathic Medicine in 2012.
His training includes a traditional rotating internship at UPMC Mercy Hospital in Pittsburgh, PA. He was appointed as a teaching associate in family medicine at Hofstra Northwell School of Medicine during his sports medicine fellowship.
Dr. Lawless' expertise includes musculoskeletal care, diagnostic ultrasound, ultrasound-guided injections, and osteopathic treatment. He provides comprehensive care for both acute and chronic conditions.
Common questions about urgent care and primary care at Montgomery Medical Clinic.
Both! We accept walk-ins 7 days a week and also offer scheduled appointments.
Walk-ins are seen on a first-come, first-served basis. For the shortest wait, book same-day appointments online or call (301) 208-2273.
Yes, we are open 7 days a week, including weekends and most holidays.
Check our website or call (301) 208-2273 for current hours.
We treat a wide range of non-emergency conditions, including:
Important: For life-threatening emergencies such as chest pain, stroke symptoms, or severe bleeding, call 911 or go to the nearest emergency room.
Absolutely. We offer ongoing primary care including:
You can choose a provider and build a long-term relationship with your doctor.
We accept most major insurance plans, including:
Self-pay options are also available. Visit our insurance page or call to verify your plan.
Walk in today or schedule an appointment for your convenience.