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Meet the Team
We invite you to meet the professionals whose expertise helps guide the mission and success of C3 Cares in Washington, D.C.
Dr. Erin Athey
FNP (Founder & CEO)
Family Nurse Practitioner
(she/her)
Dr. Erin Athey, a board-certified family nurse practitioner, has dedicated nearly two decades to improving health outcomes in Washington, D.C.'s underserved communities as a clinician, educator, and scholar. Her work has led to innovative, community-based health initiatives, including award-winning mental health literacy programs and a mobile health program for COVID-19 testing, vaccinations, and education across Wards 5-8. Driven to enhance healthcare access, Dr. Athey founded C3 Cares, a groundbreaking model featured in The Washington Post, ABC News, and Forbes, recognized for transforming healthcare delivery. She also serves as an adjunct faculty member at George Washington University and specializes in HIV/AIDS care.
Lisa Lindstrom
FNP, PMHNP
Chief Medical Officer
(she/her)
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Astride Gilles
NP
Family Nurse Practitioner
(she/her)
Lisa is proud to be part of a nurse-led clinic in community health. She completed both her Family Nurse Practitioner and Psychiatric Mental Health Nurse Practitioner degrees from George Washington University. Her natural curiosity and care for people, the body, and the mind drew her to nursing in 2002. Her passion for social justice and quality healthcare for all led her to C3 Cares. Her journey from chemist to dedicated nurse practitioner speaks volumes about her passion for connecting science with people.  She spends her free time enjoying the four generations of her family, cooking with her children, and traveling with her husband.
Astride joined the C3 Cares team with expertise in perioperative and acute care nursing. With nearly a decade in public health and international development, she has spent the past six years providing care to marginalized and at-risk groups worldwide. Astride holds degrees in nursing and psychology from George Washington University and Northern Virginia Community College. ​ In her free time, Astride enjoys the arts, volunteering, exploring cultures, and spending time with family.
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Teria Sands
MSN, FNP-BC
Christina Johnson
FNP
Nurse Practitioner
(she/her)
Family Nurse Practitioner
(she/her)
Teria Sands, a board-certified nurse practitioner, has over eight years of experience in acute, critical, and home health care. A D.C. native, she earned her BSN from Bowie State and MSN from Marymount University in 2024, now pursuing her doctorate. Passionate about public and maternal health, she joined C3 Cares in 2025 to help reduce health disparities. Teria values patient advocacy, compassionate care, and building strong connections. ​In her free time, she enjoys the outdoors, yoga, cooking, and time with loved ones.
Christina Johnson is a dedicated Family Nurse Practitioner with a passion for providing accessible, compassionate care to patients of all ages—from infants to older adults. At C3 Cares, Christina plays a key role in making healthcare more convenient and equitable, especially for communities that face barriers to traditional care. For Christina, community means more than geography—it's about shared experiences, values, and approaches to health. She believes that true healthcare equity begins with meeting patients where they are, both physically and emotionally. Understanding that getting to appointments isn’t always easy, Christina focuses on delivering care in ways that fit into her patients’ lives. That includes providing telehealth visits, allowing individuals to receive quality care from the comfort of their home or workplace. Whether in person or online, Christina is committed to making healthcare simpler, more personal, and rooted in the community.
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Bicki Serrano
Medical Assistant
(she/her)
Bicki Serrano, a skilled Medical Assistant with C3 Cares, lives and works in DC, focusing on expanding her knowledge in science, healthcare, and fitness. Originally from Honduras, Bicki is a native Spanish speaker who moved to the U.S. in 2018, driven by a desire to create a better life for her family back home. With support from her aunt, Bicki completed high school in the U.S. and continued her studies, earning her Medical Assistant certification in 2024. Alongside her medical work, she has enjoyed diverse experiences, from restaurant roles to enhancing her skills in education, language, and healthcare.
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Nakeah Howard
Medical Assistant
(she/her)
Nakeah is a dedicated Medical Assistant from Washington, D.C., who has always been passionate about helping others and making a difference in the healthcare field. After recognizing her deep interest in patient care and medical administration, she pursued her career in healthcare, where she now excels in providing excellent support to both patients and medical professionals. With a strong commitment to improving patient experiences, Nakeah combines her excellent organizational skills with a compassionate approach, ensuring that every individual she interacts with receives top-notch care. Her journey as a Medical Assistant is driven by her desire to contribute to the health and well-being of her community in Washington, D.C.
Meet Our Administrative Staff
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Ohara Madikoto
Clinic Office Administrator
CNA
(she/her)
Ohara is a skilled and tech-savvy virtual assistant with five years of experience supporting individuals and clinicians. With a background as a certified nursing assistant and volunteer experience helping patients with daily activities, she brings strong communication and interpersonal skills to her role at C3 Cares. Her responsibilities include scheduling appointments, managing calendars, handling email correspondence, data entry, and providing customer support.
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Jewel Adelsberg
Public Health Outreach Specialist
BS Public Health
(he/him)
In his role, Jewel drives C3 Cares’ PrEP initiatives by actively engaging communities near clinic locations, raising awareness about HIV risks in D.C., and promoting PrEP as a crucial preventive tool. He leads strategic efforts to meet grant goals, focusing on record-keeping, community networking, and building strong connections with stakeholders and residents. Committed to improving public health, Jewel empowers communities with knowledge and resources to support healthier outcomes.
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Rebecca Ntabane
Community Health Administrator
(she/her)
Rebecca Ntabane is a Community Health Administrator at C3 Cares, specializing in program coordination, patient support, and community engagement. With a background in communication and administration, she streamlines patient-provider coordination, supports marketing efforts, and ensures efficient data management. While pursuing a BA in Communication Science, she applies her academic insights to her professional role. Outside work, Rebecca runs a wellness channel promoting positivity and healthy living, while exploring entrepreneurial ventures.
Meet Our Nurses
Aissatou Thiam
BSN, RN
Mobile Vaccine Program
Elise Eisenstat
BSN, RN
Women's Health
