Specialties
Marque Urgent Care Lake Forest provides fast, compassionate medical care for the whole family - 7 days a week. Conveniently located in the Heritage Hill Plaza, our modern clinic treats a wide range of non-emergency illnesses and injuries, including fevers, sore throats, sprains, cuts, and more. This location proudly features CHOC pediatricians on-site, offering expert care for children in a safe, welcoming environment. We also provide X-rays, labs, physicals, vaccines, occupational medicine, and telehealth visits, all with short wait times and friendly, experienced providers. We accept most insurance plans, including Kaiser, and welcome self-pay patients with transparent, affordable pricing. No appointment necessary - just walk in and experience trusted care in Lake Forest.
History
Established in 2022.
Marque Urgent Care Lake Forest opened to provide fast, high-quality healthcare to families in South Orange County. From day one, our mission has been to deliver compassionate, efficient care in a modern, welcoming environment — no appointment needed. We proudly partner with CHOC (Children’s Hospital of Orange County) to offer on-site pediatric care, giving kids access to trusted, expert providers. Since opening, our clinic has become a go-to destination for everything from minor illnesses and injuries to labs, physicals, and preventive services. With experienced providers, advanced technology, and a patient-first approach, we’re honored to serve the Lake Forest community with care that’s convenient, affordable, and built on trust.
Meet the Manager: Nikki S.
Nikki Sepasyar began her career with Marque Urgent Care in 2022 as a Medical Assistant and quickly stood out for her dedication, teamwork, and strong patient care skills. In recognition of her leadership and commitment, she was promoted to Assistant Manager in 2024.
Nikki earned her Bachelor of Science in Public Health Sciences from the University of California, Irvine. Prior to joining Marque, she gained valuable experience in both clinical and customer-focused roles, including serving as a Medical Assistant at Shohet Ear Associates and working as a Shift Lead at Thrive Juice Lab. She has also completed internships in clinical and research settings, including a medical internship in Athens, Greece, where she observed specialties ranging from cardiology to neurosurgery.
Known for her strong communication, problem-solving, and leadership skills, Nikki is passionate about creating a supportive environment for both patients and staff.